1985 Avanti II Performance Engines

Please Select your Vehicle to See Exact Fit Parts

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 Performance Engine Valve Cover Gasket Sets, Performance Engine Main Bearing Gasket Sets, and Performance Engine Oil Pan Gaskets. 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, B & M, and Edelbrock. For example, FEL-PRO Performance Performance Engines start at just $31.99 with an average 4.2 star rating. B & M and Edelbrock offer similar pricing and quality, backed by strong customer feedback. With over 13 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 $455.35, with a range that starts at $23.99 and goes up to $1,201.99. With 43 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts, Cylinder Head Gasket: Steel Core Composite, Without Head Bolts, and Engine Valve Cover Gasket Set start at just $31.99 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 Fuel Systems. 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

B & M – Performance Torque Converter for GM TH400, 350, & 375 Transmissions (Part No.20400)

Performance Torque Converter for GM TH400, 350, & 375 Transmissions

from

$337.99
Torque Converter – Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
See More

B & M – Tork Master 2000: Value-Priced Street Performance Torque Converter (Part No.70420)

Tork Master 2000: Value-Priced Street Performance Torque Converter

from

$459.99
Similar in performance to the Holeshot series, the Tork Master is B&M’s lowest cost torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
See More

B & M – Holeshot 2400 (Part No.70441)

Holeshot 2400

from

$819.99
Holeshot 2400 for GM 1998 to 2002 4L60E Camaro and Firebird with an LS1 engine Application: GM 1998 to 2002 4L60E Camaro and Firebird with LS1 A higher than stock stall speed as delivered by the Holeshot converter will provide several advantages and benef

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
See More

Competition Cams – High Energy 206/206 Hydraulic Flat Cam K-Kit (Part No.K12-205-2)

High Energy 206/206 Hydraulic Flat Cam K-Kit

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.

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.
See More

Competition Cams – Magnum/Drag Race 244/244 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-213-3)

Magnum/Drag Race 244/244 Hydraulic Flat Cam and Lifter Kit

from

$338.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Magnum: Street/strip special, 3000 stall, headers, gears, 9.5:1+ compression. Very rough idle. OR Drag Race: 3000+ stall in heavy car with 10:1+ compression.
  • 292/292 Advertised Duration, 244/244 Duration @ .050″, .501″/.501″ Lift, 110 Lobe Separation
  • Valve spring upgrade required
See More

Competition Cams – XE Computer Controlled 206/212 Hydraulic Flat Cam K-Kit (Part No.K12-249-4)

XE Computer Controlled 206/212 Hydraulic Flat Cam K-Kit

from

$570.99
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:
  • Excellent performance in street fuel injected 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.
See More

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

PERFORMANCE VALVE COVER GASKET SET

from

$23.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1603)

Engine Valve Cover Gasket Set

from

$31.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)

PERFORMANCE OIL PAN GASKET SET

from

$27.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1802)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set

from

$25.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1886)

PERFORMANCE OIL PAN GASKET SET

from

$63.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set (Part No.1803)

Oil Pan Gasket Set: High-Temperature Rubber-Coated Fiber, 5 Piece Set

from

$26.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

Edelbrock – Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy (Part No.2703)

Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy

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:
  • 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
See More

Edelbrock – Performer Intake Manifold for 1987-95 Small-Block Chevy, Black Finish (Part No.21043)

Performer Intake Manifold for 1987-95 Small-Block Chevy, Black Finish

from

$487.99
Edelbrock part #21043 Performer intake manifold is designed for street 262-400 c.i.d. Chevy V8’s that have heads with canted center bolt holes, 1987-1995. This Manifold accepts late-model water neck, air-conditioning, alternator, H.E.I., has rear water cr

Product Features:
  • Idle-5500 RPM Range
  • Dual Plane Type-4150 Style Flange
  • 3.5 in. Front Height, 4.05 in. Center Height, 4.6 in. Rear Height
  • Black Powder Coated Finish
  • Made In The USA
See More

Edelbrock – Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold (Part No.75011)

Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold

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:
  • 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
See More

Edelbrock – RPM Air-Gap Big Block Chevy 2-R Black Intake Manifold (Part No.75621)

RPM Air-Gap Big Block Chevy 2-R Black Intake Manifold

from

$844.99
Based on performer RPM-series with unique air gap. Air gap cooler and denser mixture for more power. Designed for 1500 to 6500 RPM street-driven power. Dual-plane high-rise intake with 180 degree firing order. Produces incredible top-end horsepower. Retai

Product Features:
  • Polished Version of Edelbrock PN[7562]
  • 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 w/180 deg Firing Order
  • Produces Incredible Top-End Horsepower
  • Retains Good Throttle Response and Acceleration
  • Larger Plenum and Runners Maximizes Other Upgrades
See More

Competition Cams – Thumpr 227/241 Hydraulic Roller Cam For Oe Roller Sbc (Part No.08-600-8)

Thumpr 227/241 Hydraulic Roller Cam For Oe Roller Sbc

from

$611.99
High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

Product Features:
See More

Competition Cams – Xtreme Energy 242/248 Hydraulic Roller Cam For Oe Roller Sbc (Part No.08-443-8)

Xtreme Energy 242/248 Hydraulic Roller Cam For Oe Roller Sbc

from

$611.99
Street/strip applications, 9.5:1+ compression, intake, headers, stall, gears. 3200+ stall.

Product Features:
See More

Competition Cams – Big Mutha’ Thumpr 243/257 Hydraulic Roller Cam For Oe Roller Sbc (Part No.08-602-8)

Big Mutha' Thumpr 243/257 Hydraulic Roller Cam For Oe Roller Sbc

from

$611.99
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.

Product Features:
See More

Competition Cams – Xtreme Energy Computer Controlled 206/212 Hydraulic Roller Cam For Oe Roller Sbc (Part No.08-500-8)

Xtreme Energy Computer Controlled 206/212 Hydraulic Roller Cam For Oe Roller Sbc

from

$611.99
The COMP Cams 08-500-8 Xtreme Energy Hydraulic Roller Camshaft is marketed as a street/strip performance upgrade for small block Chevy engines, delivering aggressive mid-range power, crisp throttle response, and reliable drivability.
See More

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)

Engine Crankshaft Seal Kit

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.

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.
See More

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2919)

Engine Crankshaft Seal Kit

from

$37.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$42.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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
See More

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$51.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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
See More

Edelbrock – Cylinder Head Gasket Set for Chevrolet, 4.125 Bore Size (Part No.7310)

Cylinder Head Gasket Set for Chevrolet, 4.125 Bore Size

from

$61.99
Product Features:
  • 4.125 in. Cylinder Bore Diameter
  • 0.039 in. Thickness
  • 8.7cc Volume
  • Charcoal Color
  • Two Piece Configuration
See More

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)

Engine Valve Cover Gasket Set

from

$31.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

PERFORMANCE VALVE COVER GASKET SET

from

$23.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

Best-Selling 1985 Avanti II Performance Engine Main Bearing Gasket Set

Upgrade your II with our best-selling Performance Engine Main Bearing Gasket Set.

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2912)

Engine Crankshaft Seal Kit

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.

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.
See More

Top-Quality Performance Engine Oil Pan Gaskets for 1985 Avanti IIs

Choose a high-quality OEM or aftermarket Performance Engine Oil Pan Gasket for Avanti IIs and enjoy top-notch performance from $27.99.

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1818)

PERFORMANCE OIL PAN GASKET SET

from

$27.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

Top Picks for 1985 Avanti II Performance Intake Manifolds

Invest in one of our 7 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)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy

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:
  • 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!
See More

Edelbrock – Performer RPM Small Block Chevy AIR-Gap Intake Manifold (Part No.7501)

Performer RPM Small Block Chevy AIR-Gap Intake Manifold

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:
  • 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
See More

Edelbrock – Performer Small-Block Chevy Intake Manifold for Street Performance (Part No.3701)

Performer Small-Block Chevy Intake Manifold for Street Performance

from

$356.99


Product 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
See More

Edelbrock – Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy (Part No.2703)

Performer EPS Intake Manifold w/ Oil Fill Tube for 1955-86 Small-Block Chevy

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:
  • 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
See More

Edelbrock – Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold (Part No.75011)

Performer RPM AIR-Gap Small Block Chevy Polished Intake Manifold

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:
  • 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
See More

Edelbrock – Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Polished Finish (Part No.27011)

Performer EPS Intake Manifold for 1955-86 Small-Block Chevy, Polished Finish

from

$530.99


Product Features:
  • Polished Version Of Edelbrock PN[2701]
  • Polish is Hand-Buffed for Brilliant Shine
  • Maximizes Performance with Edelbrock Carburetors
  • Maximizes Peak Torque Around 3500 RPM
  • Excellent Throttle Response and Mid-Range Power
  • Prod. +5 HP and +9 ft/lbs. of Torque Over PN[2101]
  • For Idle to 5500 RPM Street-Driven Performance
  • Dual-Plane Low-Rise Intake w/180 deg. Firing Order
See More

Edelbrock – Edelbrock Performer Intake Manifold Small-Block Chevy (Part No.3706)

Edelbrock Performer Intake Manifold Small-Block Chevy

from

$401.99
Product Features:
See More

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 $61.99.

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$42.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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
See More

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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.
See More

FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1010)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

from

$51.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

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
See More

Edelbrock – Cylinder Head Gasket Set for Chevrolet, 4.125 Bore Size (Part No.7310)

Cylinder Head Gasket Set for Chevrolet, 4.125 Bore Size

from

$61.99
Product Features:
  • 4.125 in. Cylinder Bore Diameter
  • 0.039 in. Thickness
  • 8.7cc Volume
  • Charcoal Color
  • Two Piece Configuration
See More

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, B & M, and FEL-PRO Performance, 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 1 Edelbrock Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $195.99, 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 7 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.
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
from $195.99
(7)
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
“Great product and great price”

Top-Quality B & M 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 B & M Performance Engines. With 2 B & M 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 $382.99, with an average price of $472.99, giving you a range of options to suit your budget. Backed by over 2 customer ratings and an average rating of 4.3 stars, B & M Performance Engines provide both reliability and excellent performance. Choosing a B & M Performance Engine from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Tork Master 3000
from $562.99
(1)
Tork Master 3000
“good parts and very strong”
Tork Master 2400
from $382.99
(1)
Tork Master 2400
“The B&M 2400 stall converter was a great choice for my application. It works well on the street and track, increased performance by leaps and bounds. ”

FAQs for 1985 Avanti II Performance Engines

What are the best-selling Performance Engines for 1985 Avanti IIs?

Out of 43 Performance Engines that fit 1985 Avanti IIs, the following parts are the top sellers:

What’s the price range for 1985 Avanti II Performance Engines?

The prices of Performance Engines for the 1985 Avanti II range from $23.99 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 $455.35. 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?

Yes, we carry Performance Engines for 28 model years of Avanti IIs between 1965 and 2004. The following model years are the most popular for Performance Engine purchases: 2004, 2003, 2002, 2001, 1991, 1990, 1989, 1988, and 1987.

What are the cheapest Performance Engines for my 1985 Avanti II?

The cheapest 1985 Avanti II Performance Engines we carry are:

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 PERFORMANCE VALVE COVER GASKET SET. It is rated 5 stars and costs $23.99.

What types of Performance Engines do you sell for my 1985 Avanti II?

As of 6/2/26, 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.