1985 Avanti II Performance Engines
Keep Your 1985 Avanti II in Top Shape with Quality Performance Engines
Whether you’re repairing or upgrading your Performance Engine, using high-quality parts is key to keeping your 1985 Avanti II looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including , , and . Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Performance Engines from Trusted Brands
Looking for a reliable Performance Engine? We’ve got you covered with options from brands you know and trust like FEL-PRO Performance, Edelbrock, and Competition Cams. For example, FEL-PRO Performance Performance Engines start at just $31.99 with an average 4.2 star rating. Edelbrock and Competition Cams offer similar pricing and quality, backed by strong customer feedback. With over 30 reviews and a solid 5 star average, you can shop with confidence knowing other Avanti II owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1985 Avanti II Performance Engine at Advance Auto Parts is around $438.76, with a range that starts at $16.99 and goes up to $1,201.99. With 49 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts, and Cylinder Head Gasket: Steel Core Composite, Without Head Bolts start at just $42.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Engine, don’t forget to check out other key components like Performance Exhaust Products and Performance Ignition Products. At Advance Auto Parts, we’re here to help you keep your 1985 Avanti II in peak condition, inside and out.
Essential 1985 Avanti II Performance Engines
FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)
from
$42.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)
from
$51.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1603)
from
$31.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)
from
$23.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Die cut silicone rubber gaskets conform to out-of-flat covers
- Great for on-again/off-again situations
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1886)
from
$63.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Rigid core, molded silicone rubber gaskets utilize the one-piece molded rubber technology for a perfect fit, ease of installation and include compression limiters to prevent overtightening.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)
from
$27.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
- With steel core to provide ultimate excellent blowout resistance.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)
from
$26.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
- With steel core to provide ultimate excellent blowout resistance.
- Not intended for use in emission controlled vehicles.
B & M – Tork Master 2400 (Part No.70418)
from
$483.99
Torque Converter – Tork Master 2400 for GM 1993 to 1996 TH700R4 (30 spline) 1984 to 1993 and 4L60E (30 spline) APPLICATION: Tork Master 2400 for GM 1993 to 1996 TH700R4 (30 spline) 1984 to 1993 and 4L60E (30 spline) The Tork Master is B&M’s lowest cost pe
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Product Features:
- New Precision Pump Drive Tube
- Pressure Tested
- Fully Balanced
- Needle Thrust Bearing
- New Thrust Washer
B & M – Holeshot 3000 (Part No.20413)
from
$921.99
HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: HoleShot 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) A higher than stock stall speed as delivered by the Holeshot c
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Product Features:
- Furnace Brazed Impeller
- Steel Alloy Pump Drive Tube
- Heavy Duty Needle Bearing
- Between Stator and Turbine
- Furnace Brazed Turbine
B & M – Torque Converter, Holeshot 3000 (Part No.70421)
from
$921.99
The Holeshot Converter is a very good choice for the typical street machine that is looking for better launch capability and more strength. With a furnace brazed turbine, New turbine hub and dual pattern drive lugs on some GM Holeshots.
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Product Features:
- Furnace Brazed Impeller
- Steel Alloy Pump Drive Tube
- Heavy Duty Needle Bearing
- Between Stator and Turbine
- Furnace Brazed Turbine
Competition Cams – High Energy 206/206 Hydraulic Flat Cam K-Kit (Part No.K12-205-2)
from
$1201.99
Ideal for use with mainly stock components like rocker arms, intake manifolds, cylinder heads, compression ratio, torque converters and rear gear ratios, the High Energy camshaft grind family is a great choice for street performance applications.
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Product Features:
- Good blend of efficiency and performance.
- Perfect choice for performance street rebuilds.
- Work well with mainly stock components such as rockers, manifolds, heads, compression, torque converters and gears.
Competition Cams – Xtreme Energy 206/212 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-230-2)
from
$305.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts.
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Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – High Energy/Marine 218/218 Hydraulic Flat Cam/Lifter Kit (Part No.CL12-210-2)
from
$898.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – High Energy: Good street performance with stock converter, choppy idle. OR High Energy Marine: Biggest cam for inboard/outboard. Good for ski, economy and light performance.
Product Features:
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Product Features:
- Cam and lifter kit for Small Block Chevy engines
- CL-Kit includes cam, lifters, assembly lube, instructions and decals
- HYDRAULIC – High Energy: Good street performance with stock converter, choppy idle. OR High Energy Marine: Biggest cam for inboard/outboard. Good for ski, economy and light performance.
- 268/268 Advertised Duration, 218/218 Duration @ .050″, .454″/.454″ Lift, 110 Lobe Separation
- Valve spring upgrade required
Edelbrock – Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet (Part No.2102)
from
$302.99
Product Features:
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- Designed for Optimum Torque and Acceleration
- Maximum Performance From Idle through Mid-Range
- Matched to Edelbrock Performer Intakes
- Includes Hydraulic Lifters and Assembly Lube
- Major Improvement in Throttle Response and Torque
- Use For Daily Drivers/Trucks/Vans/RVs/4x4s
- Take The Guesswork Out Of Camshaft Selection
FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)
from
$37.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Product Features:
- Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longevity.
- Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
- Not intended for use in emission controlled vehicles.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2919)
from
$37.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
- Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
- Not intended for use in emission controlled vehicles.
Competition Cams – Xtreme Energy 206/212 Hydraulic Flat Cam (Part No.12-230-2)
from
$226.99
Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts,
Product Features:
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Product Features:
- Excellent performance in street carbureted applications.
- More vacuum allows an increase in duration for improved performance and assists power brakes.
- Quicker opening lobe profiles deliver increased responsiveness and more area under the lift curve.
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Magnum 224/224 Hydraulic Flat Cam (Part No.12-212-2)
from
$226.99
HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.
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Product Features:
- HYDRAULIC – Magnum: Great for street machines. Needs 2200+ stall, headers and gears. Rough idle.
- 280/280 Advertised Duration, 230/230 Duration @ .050″, .480″/.480″ Lift, 110 Lobe Separation
- Valve spring upgrade required
Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Flat Cam (Part No.12-601-4)
from
$350.99
HYDRAULIC – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
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Product Features:
- HYDRAULIC – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
- 287/305 Advertised Duration, 235/249 Duration @ .050″, .489″/.476″ Lift, 107 Lobe Separation
- Valve spring upgrade required
Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam (Part No.12-242-2)
from
$251.99
HYDRAULIC – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.
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Product Features:
- HYDRAULIC – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.
- 268/280 Advertised Duration, 224/230 Duration @ .050″, .477″/.480″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Competition Cams – Xtreme Energy 230/236 Hydraulic Flat Cam (Part No.12-246-3)
from
$258.99
HYDRAULIC – Xtreme Energy: Very strong mid-range torque and throttle response, 2200+ stall.
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Product Features:
- HYDRAULIC – Xtreme Energy: Very strong mid-range torque and throttle response, 2200+ stall.
- 274/286 Advertised Duration, 230/236 Duration @ .050″, .490″/.490″ Lift, 110 Lobe Separation
- Valve spring upgrade required
- Best performance with aftermarket intake manifolds, headers, lower gear ratios etc.
Edelbrock – Performer Intake Manifold Small-Block Chevy (Part No.3706)
from
$401.99Product Features:
- For Idle to 5500 RPM Street-Driven Performance
- Dual-Plane Low-Rise Intake w/180 Deg Firing Order
- Patented Runner Design Ensures Broad Torque Curve
- Excellent Throttle Response and Mid-Range Power
- 50-State Street Legal if Correct Carburetor Used
- Accepts Late-Model Choke; Waterneck; and HEI
- Accepts A/C And Alternator
- Accepts Exhaust Heated Chokes and Accepts EGR
Edelbrock – Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold (Part No.75011)
from
$749.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. For square bore carburetors only. For street and high performance use. Available in cast, polished or endurashine finish.
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Product Features:
- Polished Version Of Edelbrock PN[7501]
- Polish is Hand-Buffed for Brilliant Shine
- Based on Performer RPM-Series with Unique Air Gap
- Air Gap Cooler and Denser Mixture for More Power
- Designed for 1500 to 6500 RPM Street-Driven Power
- Produces Incredible Top-End Horsepower
- Retains Good Throttle Response and Acceleration
- Larger Plenum and Runners Maximizes Other Upgrades
Edelbrock – Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy (Part No.2703)
from
$339.99
Edelbrock part #2703 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent thro
Product Features:
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Product Features:
- Idle-5500 RPM Range
- Dual Plane Type-4150 Style Flange
- 3.74 in. Front Height, 4.27 in. Center Height, 4.8 in. Rear Height
- Satin Finish
- Non-EGR W/ Oil Fill Tube
Edelbrock – Performer RPM Small Block Chevy AIR-Gap Intake Manifold (Part No.7501)
from
$374.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. For square bore carburetors only. For street and high performance use. Available in cast, polished or endurashine finish.
Product Features:
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Product Features:
- Based on Performer RPM-Series with Unique Air Gap
- Air Gap Cooler and Denser Mixture for More Power
- Designed for 1500 to 6500 RPM Street-Driven Power
- Dual-Plane High-Rise Intake
- For Square Bore Carburetors Only
Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Black Finish (Part No.27013)
from
$379.99
Edelbrock part #27013 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent thr
Product Features:
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Product Features:
- Idle-5500 RPM Range
- Dual Plane Type-4150 Style Flange
- 3.74 in. Front Height, 4.27 in. Center Height, 4.8 in. Rear Height
- Black Powder Coated Finish
- Non-EGR
Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy (Part No.2701)
from
$195.99
Edelbrock part No. 2701 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. With that the Edelbrock Performer EPS intake manifold has a runner design that’s “tuned” for peak torque at 3500 rpm on a 350-inch engine making it ideal for power from off-idle to 5500 rpm. Dyno tests showed gains of 5 hp and 9 ft-lbs. of torque over the Edelbrock Performer manifold No. 2101 on a 350 Chevy. From 3000 to 4500 rpm, the power increases averaged 5+ ft-lbs. of torque for more performance where you need it most. PLEASE NOTE: Will not fit under stock Corvette hood!
Product Features:
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Product Features:
- Maximizes Performance with Edelbrock Carburetors
- Runners Tuned to Match Square Bore Carburetor
- Maximizes Peak Torque Around 3500 RPM
- Excellent Throttle Response and Mid-Range Power
- For Idle to 5500 RPM Street-Driven Performance
- Dual-Plane Low-Rise Intake w/180 deg. Firing Order
- Prod. +5 HP and +9 ft/lbs. of Torque Over PN[2101]
- PLEASE NOTE: Will not fit under stock Corvette hood!
Edelbrock – Performer RPM AIR-Gap Small Block Chevy Black Intake Manifold (Part No.75013)
from
$552.99
Edelbrock part #75013 RPM Air-Gap RPM intake manifold is designed for 1955-86 262-400 c.i.d. Chevrolet V8’s. The award-winning RPM Air-Gap intake manifold incorporates the same race-winning technology that’s used on our Victor Series competition intakes.
Product Features:
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Product Features:
- 1500-6500 RPM Range
- Dual Plane Type-4150 Style Flange
- 4.2 in. Front Height, 4.72 in. Center Height, 5.25 in. Rear Height
- Black Powder Coated Finish
- Non-EGR
Popular 1985 Avanti II Performance Engines Categories
Most Popular Performance Engine Valve Cover Gasket Sets for 1985 Avanti IIs
Enhance your 1985 Avanti II with one of the 2 Performance Engine Valve Cover Gasket Sets we have in stock, starting at just $23.99.
FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1603)
from
$31.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)
from
$23.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Die cut silicone rubber gaskets conform to out-of-flat covers
- Great for on-again/off-again situations
- Not intended for use in emission controlled vehicles.
Best-Selling 1985 Avanti II Performance Engine Oil Pan Gasket
Upgrade your II with our best-selling Performance Engine Oil Pan Gasket.
FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)
from
$27.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Felcoid/Plus gaskets have a fiber sheet core and a latex rubber coating to eliminate potential leakage paths. The core material resists crushing and splitting, while providing excellent blowout resistance.
- With steel core to provide ultimate excellent blowout resistance.
- Not intended for use in emission controlled vehicles.
Top-Quality Performance Engine Rocker Arms for 1985 Avanti IIs
Choose a high-quality OEM or aftermarket Performance Engine Rocker Arm for Avanti IIs and enjoy top-notch performance from $50.99.
Competition Cams – ENGINE ROCKER ARM (Part No.1602-16)
from
$519.99
ENGINE ROCKER ARM
Competition Cams – ENGINE ROCKER ARM (Part No.1605-1)
from
$51.99
ENGINE ROCKER ARM
Competition Cams – ENGINE ROCKER ARM (Part No.1602-1)
from
$50.99
ENGINE ROCKER ARM
Top Picks for 1985 Avanti II Performance Intake Manifolds
Invest in one of our 8 durable Performance Intake Manifolds for your 1985 Avanti, knowing you’re getting trusted brands and expert craftsmanship.
Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy (Part No.2701)
from
$195.99
Edelbrock part No. 2701 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. With that the Edelbrock Performer EPS intake manifold has a runner design that’s “tuned” for peak torque at 3500 rpm on a 350-inch engine making it ideal for power from off-idle to 5500 rpm. Dyno tests showed gains of 5 hp and 9 ft-lbs. of torque over the Edelbrock Performer manifold No. 2101 on a 350 Chevy. From 3000 to 4500 rpm, the power increases averaged 5+ ft-lbs. of torque for more performance where you need it most. PLEASE NOTE: Will not fit under stock Corvette hood!
Product Features:
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Product Features:
- Maximizes Performance with Edelbrock Carburetors
- Runners Tuned to Match Square Bore Carburetor
- Maximizes Peak Torque Around 3500 RPM
- Excellent Throttle Response and Mid-Range Power
- For Idle to 5500 RPM Street-Driven Performance
- Dual-Plane Low-Rise Intake w/180 deg. Firing Order
- Prod. +5 HP and +9 ft/lbs. of Torque Over PN[2101]
- PLEASE NOTE: Will not fit under stock Corvette hood!
Edelbrock – Performer RPM Small Block Chevy AIR-Gap Intake Manifold (Part No.7501)
from
$374.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. For square bore carburetors only. For street and high performance use. Available in cast, polished or endurashine finish.
Product Features:
See More
Product Features:
- Based on Performer RPM-Series with Unique Air Gap
- Air Gap Cooler and Denser Mixture for More Power
- Designed for 1500 to 6500 RPM Street-Driven Power
- Dual-Plane High-Rise Intake
- For Square Bore Carburetors Only
Edelbrock – Torker II Intake Manifold Small-Block Chevy (Part No.5001)
from
$281.99
2500-6500 RPM high-performance street engines. Single-plane low-rise intake good for high RPM. Ideal for applications with limited hood clearance. For top-end HP and adequate throttle response. Not for mileage or emissions applications. For trucks or vans use PN(2701) instead. Not for LT1 or Chevy bowtie heads. Not for 1987 and later stock aluminum heads. Available in cast or polished.
Product Features:
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Product Features:
- 2500 to 6500 RPM High Performance Street Engines
- Single-Plane Low-Rise Intake Good for High RPM
- Ideal for Applications with Limited Hood Clearance
- For Top-End HP and Adequate Throttle Response
- Not for Mileage or Emissions Applications
- For Trucks or Vans Use PN[2701] Instead
- Not for LT1 or Chevy Bowtie Heads
- Not for 1987 and Later Stock Aluminum Heads
Edelbrock – Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy (Part No.2703)
from
$339.99
Edelbrock part #2703 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent thro
Product Features:
See More
Product Features:
- Idle-5500 RPM Range
- Dual Plane Type-4150 Style Flange
- 3.74 in. Front Height, 4.27 in. Center Height, 4.8 in. Rear Height
- Satin Finish
- Non-EGR W/ Oil Fill Tube
Edelbrock – Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold (Part No.75011)
from
$749.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM. Dual-plane high-rise intake. For square bore carburetors only. For street and high performance use. Available in cast, polished or endurashine finish.
Product Features:
See More
Product Features:
- Polished Version Of Edelbrock PN[7501]
- Polish is Hand-Buffed for Brilliant Shine
- Based on Performer RPM-Series with Unique Air Gap
- Air Gap Cooler and Denser Mixture for More Power
- Designed for 1500 to 6500 RPM Street-Driven Power
- Produces Incredible Top-End Horsepower
- Retains Good Throttle Response and Acceleration
- Larger Plenum and Runners Maximizes Other Upgrades
Edelbrock – Performer RPM AIR-Gap Small Block Chevy Black Intake Manifold (Part No.75013)
from
$552.99
Edelbrock part #75013 RPM Air-Gap RPM intake manifold is designed for 1955-86 262-400 c.i.d. Chevrolet V8’s. The award-winning RPM Air-Gap intake manifold incorporates the same race-winning technology that’s used on our Victor Series competition intakes.
Product Features:
See More
Product Features:
- 1500-6500 RPM Range
- Dual Plane Type-4150 Style Flange
- 4.2 in. Front Height, 4.72 in. Center Height, 5.25 in. Rear Height
- Black Powder Coated Finish
- Non-EGR
Edelbrock – Performer Intake Manifold Small-Block Chevy (Part No.3706)
from
$401.99Product Features:
- For Idle to 5500 RPM Street-Driven Performance
- Dual-Plane Low-Rise Intake w/180 Deg Firing Order
- Patented Runner Design Ensures Broad Torque Curve
- Excellent Throttle Response and Mid-Range Power
- 50-State Street Legal if Correct Carburetor Used
- Accepts Late-Model Choke; Waterneck; and HEI
- Accepts A/C And Alternator
- Accepts Exhaust Heated Chokes and Accepts EGR
Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Black Finish (Part No.27013)
from
$379.99
Edelbrock part #27013 Performer EPS intake manifold is designed for 1986 and earlier 262-400 cubic-inch Chevys. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent thr
Product Features:
See More
Product Features:
- Idle-5500 RPM Range
- Dual Plane Type-4150 Style Flange
- 3.74 in. Front Height, 4.27 in. Center Height, 4.8 in. Rear Height
- Black Powder Coated Finish
- Non-EGR
Top-Rated Performance Engine Cylinder Head Gaskets for 1985 Avanti IIs
Make a smart move for your 1985 Avanti II with products all priced from $42.49 to $51.99.
FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)
from
$42.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)
from
$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
- Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
- Raises combustion sealing force to roughly three times that of standard head gaskets.
- Steel wire rings for the greatest combustion seal strength.
- Not intended for use in emission controlled vehicles.
FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)
from
$51.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
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Product Features:
- PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
- NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
- SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
- STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
- DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
Top-Rated Performance Engine Brands For Your 1985 Avanti II
When it comes to finding the perfect Performance Engine for your 1985 Avanti II, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Performance Engine brands including Edelbrock, FEL-PRO Performance, and Competition Cams, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $31.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1985 Avanti II, providing peace of mind with parts that meet or exceed OEM standards.
Popular Edelbrock 1985 Avanti II Performance Engines
If you’re looking for a top-quality Performance Engine for your 1985 Avanti II, Advance Auto Parts has exactly what you need with our selection of Edelbrock Performance Engines. We have 2 Edelbrock Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $195.99 and an average cost of $249.49, you’ll find the perfect Performance Engine for your needs and budget. Edelbrock Performance Engines for the 1985 Avanti II come highly rated, with over 11 customer reviews and an impressive average rating of 4.4 stars. Choosing a Edelbrock Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
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$302.99
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Performer-Plus Camshaft Kit for 1957-86 Small-Block Chevrolet
“I love this cam it gives me the power I need at the low end to pull havey loads where I need it the most for the work I do with my truck This cam and ”
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$195.99
(7)
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
“Removed a Weiand Stealth manifold and replaced with the Edelbrock, while doing a dyno test – increased HP & Torque on a modified 350, very good for st”
Top-Quality FEL-PRO Performance 1985 Avanti II Performance Engines
For those in search of a high-quality Performance Engine for their 1985 Avanti II, Advance Auto Parts offers a great selection of FEL-PRO Performance Performance Engines. With 3 FEL-PRO Performance Performance Engines in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Performance Engines start at just $31.99, with an average price of $39.82, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.2 stars, FEL-PRO Performance Performance Engines provide both reliability and excellent performance. Choosing a FEL-PRO Performance Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
FAQs for 1985 Avanti II Performance Engines
What are the best-selling Performance Engines for 1985 Avanti IIs?
Out of 49 Performance Engines that fit 1985 Avanti IIs, the following parts are the top sellers:
- Performer EPS Intake Manifold for 1955-86 Small-Block Chevy (17340006) – $195.99
- Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (5189543) – $42.49
- Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (5990432) – $44.99
What’s the price range for 1985 Avanti II Performance Engines?
The prices of Performance Engines for the 1985 Avanti II range from $16.99 up to $1,201.99 for the most premium parts.
What is the average price of a Performance Engine for a 1985 Avanti II?
The average price for Performance Engines for the 1985 Avanti II is $438.76. Keep in mind the variety of part types within our Performance Engine category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Engines for other Avanti II model years?
What are the cheapest Performance Engines for my 1985 Avanti II?
The cheapest 1985 Avanti II Performance Engines we carry are:
- Hi-Tech 7.950" Long, .080" Wall, 5/16" Diameter Pushrod (50289739) – $16.99
- PERFORMANCE VALVE COVER GASKET SET (5189713) – $23.99
- PERFORMANCE OIL PAN GASKET SET (19781463) – $27.99
- Engine Valve Cover Gasket Set (5992664) – $31.99
- Engine Crankshaft Seal Kit (19781945) – $37.99
What are the top-rated Performance Engines that fit the 1985 Avanti II?
The one 1985 Avanti II Performance Engine we have in stock is the Hi-Tech 7.950" Long, .080" Wall, 5/16" Diameter Pushrod. It costs $16.99.
What types of Performance Engines do you sell for my 1985 Avanti II?
As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1985 Avanti II:
Can I get help with 1985 Avanti II Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Avanti Performance Engines and more.
What is your return policy for Avanti II Performance Engines?
Advance Auto Parts keeps returns simple. For new Avanti II Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.