1985 Chevrolet Impala Performance Engines

Essential 1985 Chevrolet Impala Performance Engines

Spectre – Chevrolet Small Block V8 Harmonic Balancer Bolt Kit (Part No.4699)

Chevrolet Small Block V8 Harmonic Balancer Bolt Kit

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$7.99
Spectre’s Harmonic Balancer Bolt Kit is designed to fit Chevrolet Small Block 265-400 V8 engines. This grade 8 bolt is 2-1/2 inches long, and features a plated finish for corrosion resistance. This kit also includes a security lock washer.

Product Features:
  • Fits Chevrolet Small Block 265-400 V8 engines
  • Features a corrosion resistant plated finish
  • Gold iridite finish
  • Grade 8 bolt, 7/16 inch-20 by 2-1/2 inches
  • Includes security lock washer
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Spectre – Water Neck; Chevy Late Model (Part No.4730)

Water Neck; Chevy Late Model

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$23.79
Spectre’s Chevrolet late model water neck offers the normal angled water neck and a 1/2 inch NPT threaded hole for a by-pass hose. This water neck has a chrome plated finish for a lasting look great and includes the bolts.

Product Features:
  • Fits Chevy engines
  • Includes a 1/2 inch NPT threaded hole for by-pass hose
  • Includes bolts
  • Chrome plated
  • Easy to install
  • O-ring/gasket not included
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B & M – Holeshot 2000 (Part No.20416)

Holeshot 2000

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$369.99
HoleShot 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2000 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

Product Features:
  • Furnace Brazed Impeller
  • Steel Alloy Pump Drive Tube
  • Heavy Duty Needle Bearing
  • Between Stator and Turbine
  • Furnace Brazed Turbine
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Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1074)

Ultra Seal: Competition Screw-In Rocker Arm Studs

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$85.09
Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:
  • Black Oxide Coated Grade 8 Steel
  • Kit Contains 16 Studs
  • Easy To Install
  • Heat Treated Steel
  • Prevents Stud Flexing
  • Black Plated Finish
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Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)

High Performance 180 Degree Thermostat for Increased Flow

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$26.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 180 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
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Mr. Gasket – Timing Cover Gasket Set (Part No.94)

Timing Cover Gasket Set

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$21.79
Mr. Gasket Performance Gaskets are a low density material that conforms well to irregular flange surfaces and has very good crush resistance at high flange pressures. Intended for sealing gasoline, oils, water and coolant in applications up to 350 degrees Fahrenheit.brbrThis Mr. Gasket Performance Timing Cover Gasket Kit includes the timing cover gasket and water pump gasket for your Gen IV or Gen V Chevy 396,402,427,454 Big Block.

Product Features:
  • Includes Timing Cover Gasket and Water Pump Gaskets
  • Won’t shrink or stick and provide an airtight leak proof seal
  • Engineered specifically for big block Chevys and ideal for high performance and race applications
  • Ensures optimum torque retention ideal crush resistance and excellent sheer strength using minimal clamp force yet still releases easily
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Edelbrock – Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet (Part No.60909)

Performer Small-Block Chevy Cylinder Head 64cc Hydraulic Flat Tappet

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$1009.99
Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 64cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
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Competition Cams – Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set (Part No.7513-16)

Magnum 7.800" Long, .080" Wall, 3/8" Diameter Pushrod Set

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$157.99
Magnum Pushrods from COMP Cams offer an affordable solution for your .080″ wall chromemoly pushrod needs. Designed to withstand the stresses of a high performance engine, Magnum Pushrods are head-treated for extended durability and have precision formed, reinforced ends. Magnum Pushrods are black-oxide finished with their part number and length laser etched onto the surface for easy identification.

Product Features:
  • 3/8″ Diameter, 7.800″ Length
  • Magnum Pushrods for Small Block Chevy
  • One-piece .080″ wall chromemoly steel tubing
  • Heat-treated for extended durability and guide plate compatibility
  • Precision formed and reinforced pushrod end
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Weiand – Action Plus Water Pumps (Part No.9240P)

Action Plus Water Pumps

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$215.99
Weiand’s light weight, performance aluminum mechanical Action-Plus water pumps give a weight saving of 30 percent to 50 percent over stock cast-iron pumps. These pumps feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand’s exclusive housing counter bore keeps the bearing form walking out. All pumps are designed with the necessary bracket bosses and water connections to fit popular street applications.

Product Features:
  • Twisted Snout Water Pump Design For Updated Style
  • Street Performance
  • Heavy Duty Shaft w/5/8 in. Pilot
  • Six-Blade Stamped Steel
  • Anti-Cavitation Impeller
  • 100 Percent Leak Tested
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Edelbrock – Torker-Plus Camshaft Kit for 1957-1986 Small-Block Chevy 283-400 V8 (Part No.5002)

Torker-Plus Camshaft Kit for 1957-1986 Small-Block Chevy 283-400 V8

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$411.99
Edelbrock camshafts are matched to Edelbrock Total Power Package components for proven performance, taking the guesswork out of camshaft selection. They are compatible with OEM or Edelbrock hydraulic roller tappets which reduce friction, virtually eliminate break-in problems, and permit higher valve velocities for increased performance. Designed to work with Torker II manifolds for performance from 2500 to 6500 RPM, these camshafts are ideal for high-performance street, drag or marine applications. Torker-Plus cams have a slightly rough idle and are not suitable for trucks or towing applications. Hydraulic flat tappet lifters are included with each camshaft.

Product Features:
  • Designed for 2500 to 6500 Performance
  • Designed for Hi-Perf Street; Drag or Marine Use
  • Matched to Edelbrock Torker II Intakes
  • Includes Hydraulic Lifters and Assembly Lube
  • Dyno Matched/Street Proven Performance
  • Take The Guesswork Out Of Camshaft Selection
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Competition Cams – Engine Valve Spring Kit (Part No.911-16)

Engine Valve Spring Kit

from

$759.99
Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right metal stock and creating the best design is not done by chance. COMP Cams has developed a process that creates the highest quality valve spring available. The result is a product that meets and exceeds the expectations of today’s engine builders and racers.O.D. Dia. 1 I.D. Dia. 2 Damper Seat Load Open Load Coil Bind Rate (Lbs./In.) Titanium Retainer Steel Retainer Cup Seat Shims 1.524 1.110 Y 122 @ 1.900 309 @ 1.400 1.200 373 721, 732 1732, 741 4779* 4757

Product Features:
  • Seat pressure: 122 lbs. @ 1.900″, Open Pressure: 309 lbs. @ 1.400″
  • O.D.: 1.524″, I.D.: 1.110″
  • Single valve springs with damper
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Mr. Gasket – Intake Manifold Bolts (Part No.6091)

Intake Manifold Bolts

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$32.09
These special Grade 8 intake manifold bolts feature a 12-point smaller-than-standard head and flange, and include special extra thick flat washers for optimum clamping pressures. They’re ideal for use where space is minimal, typical on larger runner race manifolds. These bolts and washers are bright zinc plated for protection and good looks.

Product Features:
  • Features 12-point Smaller-than-standard Bolt Head
  • Thick Flat Washers Distribute Optimum Clamp Load
  • Ideal Use Where Space Is Minimal On Race Manifolds
  • Bolts And Washers Zinc Plated For Protection
  • Zinc Plated For Protection
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2912)

PERFORMANCE REAR MAIN SEAL SET

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$36.99
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.
  • Not intended for use in emission controlled vehicles.
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$52.99
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.
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Spectre – Valve Cover Gasket Steel reinforced (Part No.585)

Valve Cover Gasket Steel reinforced

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$34.99
This Spectre valve cover gasket is an OEM replacement part that fits small block Chevrolet 265-400 engines. The gasket is made from extra thick rubber with a steel reinforced core that maintains its shape under pressure which helps to provide a superior seal.

Product Features:
  • Fits 265-400 small block Chevy engines
  • OEM replacement
  • Extra thick rubber with steel reinforced core
  • Provides a superior seal
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Competition Cams – CAMSHAFT, SBC 268 HIGH ENERGY HYDRAULIC 1 EA (Part No.12-210-2)

CAMSHAFT, SBC 268 HIGH ENERGY HYDRAULIC 1 EA

from

$537.99
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. Offering

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.
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Competition Cams – CAM & LIFTER KIT, SBC 260H HIGH ENERGY HYD 1 KT (Part No.CL12-206-2)

CAM & LIFTER KIT, SBC 260H HIGH ENERGY HYD 1 KT

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$323.99
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. Offering

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.
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Competition Cams – Magnum 253/253 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454 (Part No.CL11-214-4)

Magnum 253/253 Hydraulic Flat Cam and Lifter Kit for Chevrolet Big Block 396-454

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$376.99
An older member of the COMP Cams grind family, the Magnum series of camshafts offers excellent performance gains over stock without the added wear and tear associated with more aggressive camshafts. Ideal for use with higher compression ratio engines that

Product Features:
  • Best with aftermarket torque converters and 9.5:1 compression.
  • Great high RPM power.
  • Easy on valve train parts.
  • Can be used with mild ratio rocker arms and traditional performance valve springs.
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FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1819)

PERFORMANCE OIL PAN GASKET SET

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$31.49
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.
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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

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$25.49
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.
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Edelbrock – Performer Small-Block Chevy Intake Manifold for Street Performance (Part No.3701)

Performer Small-Block Chevy Intake Manifold for Street Performance

from

$339.99


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
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Weiand – Stealth; Intake Manifold (Part No.8018)

Stealth; Intake Manifold

from

$394.99


Product Features:
  • High Rise/Dual Plane Design For Maximum Torque
  • Fully CNC Machined For A Perfect Fit
  • Square Bore Carburetor Flange
  • Exhaust Crossover For Improved Street Drivability
  • Permanent Mold Casting Process
  • Lighter/Smoother/Better Looking
  • More Consistent Castings
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Edelbrock – Intake Manifold Gasket for 1992-1997 LT1 Small-Block Chevys (Part No.7243)

Intake Manifold Gasket for 1992-1997 LT1 Small-Block Chevys

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$26.99
Edelbrock part #7243 Intake Gaskets for 1992-1997 LT1 Small-Block Chevys allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time. The new MP-2N Micropore t

Product Features:
  • 2.1″x1.265″
  • Features Embossed Silicone Bead Around The Intake Ports & Water Openings
  • .060″ Thick
  • Two Piece Configuration
  • End Seals Not Included
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Edelbrock – Intake Manifold Gasket for 1965-1990, Mark IV B/B Chevy, Rec Port (Part No.7208)

Intake Manifold Gasket for 1965-1990, Mark IV B/B Chevy, Rec Port

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$30.99
Edelbrock part #7208 Intake Gaskets for 1965-1990, Mark IV 396-402-427-454-555, Rectangular Port 6 Bolt Flange with no crossover allow for optimum flow and performance. Any gasket can create a seal, but a good gasket can do it with less clamping force, an

Product Features:
  • 1.82″x2.46″
  • Rectangular Port Style
  • .060″ Thick
  • Two Piece Configuration
  • Composite Material
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Competition Cams – Hi-Tech Roller Race Timing Set for Chevrolet 396-454 Big Block (Part No.3110)

Hi-Tech Roller Race Timing Set for Chevrolet 396-454 Big Block

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$141.99
COMP Cams Hi-Tech Roller Race Timing Sets include cast iron camshafts gears, induction hardened billet steel crank sprockets, and pre-stretched, heat-treated double roller chains with heavy-duty large pin design. They feature 3 keyway crank sprockets for

Product Features:
  • Cast iron camshaft gear and induction hardened billet steel crank sprocket
  • Pre-stretched, heat-treated true double roller chain with heavy-duty large pin design; chain available separately
  • Ideal for all street performance and race applications
  • Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
  • Dynamically balanced and quality checked for run-out tolerances
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Competition Cams – Magnum Double Row Timing Set for ’65-’91 396-454 Chevrolet Big Block (Part No.2110)

Magnum Double Row Timing Set for '65-'91 396-454 Chevrolet Big Block

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$104.99
COMP Cams Magnum Double Roller Timing Sets include induction hardened cast iron camshaft gears, billet steel crank sprockets and heavy-duty, heat-treated double roller timing chains. They feature 3 keyway crank sprockets for 4° incremental adjustability w

Product Features:
  • Features 3 keyway crank sprocket for 4-degree incremental adjustability, 4-degree maximum advance/retard
  • Induction hardened cast iron camshaft gear & billet steel crank sprocket
  • Ideal for mild street performance
  • Heavy-duty, heat-treated double row timing chain; chain available separately
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Edelbrock – Performer Series Retainer (Qty 16) (Part No.9730)

Performer Series Retainer (Qty 16)

from

$99.99
Product Features:
  • Use W/ Valve Springs Part #5703, 5794
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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1985 Chevrolet Impala Performance Engines

Maybe you’re in the middle of a full rebuild of that 1985 Chevrolet Impala. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 83 different Performance Engines in our inventory ranging from $7.99 to $1,009.99. That means you can find the exact parts or products you need to keep that 1985 Chevrolet Impala running smoothly.

Performance Engines are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1985 Chevrolet Impala. Mr. Gasket, Edelbrock, and FEL-PRO Performance are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1985 Chevrolet Impala, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 197 reviews in this category, some of the top rated parts include Action Plus Water Pumps with 3.7 stars and Performer-Link Adjustable True-Roller Timing Chain Set with 3.3 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1985 Chevrolet Impala rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1985 Chevrolet Impala Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 Chevrolet Impala demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your Impala the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular Spectre Performance Engines

We carry Spectre parts in our stock across Performance Engine Harmonic Balancers categories, plus more. For a 1985 Chevrolet Impala, our most popular Spectre Performance Engines include:
Chevrolet Small Block V8 Harmonic Balancer Bolt Kit
from $7.99
(1)
Chevrolet Small Block V8 Harmonic Balancer Bolt Kit
Performance Engine Harmonic Balancers

Top 1985 Chevrolet Impala Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1985 Chevrolet Impala. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $26.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
Ultra-Seal Intake Manifold Gasket with Silicone Beading
from $31.99
(18)
Ultra-Seal Intake Manifold Gasket with Silicone Beading
Performance Engine Intake Manifold Gaskets
Intake Manifold Bolts
from $32.09
(5)
Intake Manifold Bolts
Performance Intake Manifold Hardware

FAQs for 1985 Chevrolet Impala Performance Engines

What are the most purchased Performance Engines for the 1985 Chevrolet Impala?

Out of 83 Performance Engines for the 1985 Chevrolet Impala, the most popular in our inventory are:
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
from $195.99
(7)
Performer EPS Intake Manifold for 1955-86 Small-Block Chevy
Performance Intake Manifolds
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $39.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets

What are the top-rated 1985 Chevrolet Impala Performance Engines?

Top-rated Performance Engines for your 1985 Chevrolet Impala based on customer reviews/ratings are:
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
“I bought this item for my 1979 Camaro SBC for Street/Strip application. Water pump weighs 4 LBS less than factory, comes with its own cork gaskets. N”
Performer-Link Adjustable True-Roller Timing Chain Set
from $62.99
(3)
Performer-Link Adjustable True-Roller Timing Chain Set
“Bolted right on, instructions were spot on. Great purchase. Hard to go wrong with an Edelbrock company product”
Engine Crankshaft Seal Kit
from $21.49
(2)
Engine Crankshaft Seal Kit
“Seals properly”