1985 Oldsmobile 442 Performance Engines

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Keep Your 1985 Oldsmobile 442 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 Oldsmobile 442 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Rocker Arms, Performance Engine Valve Stem Seal Sets, and Performance Engine Timing Sets and Components. 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 Edelbrock. For example, Edelbrock Performance Engines start at just $487.99 with an average 4.4 star rating. With over 2 reviews and a solid 4 star average, you can shop with confidence knowing other Oldsmobile 442 owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1985 Oldsmobile 442 Performance Engine at Advance Auto Parts is around $269.72, with a range that starts at $7.99 and goes up to $1,421.99. With 28 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Valve Seals, Umbrella 11/32" 1 St, and VALVE SEALS, 11/32" TEFLON 1 ST start at just $32.49 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 Distributors and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1985 Oldsmobile 442 in peak condition, inside and out.

Essential 1985 Oldsmobile 442 Performance Engines

Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-242-2)

Xtreme Energy 224/230 Hydraulic Flat Cam and Lifter Kit

from

$305.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • 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
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Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam K-Kit (Part No.K42-222-4)

Xtreme Energy 218/224 Hydraulic Flat Cam K-Kit

from

$1421.99
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 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.
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Competition Cams – Xtreme Energy 206/212 Hydraulic Flat Cam (Part No.12-230-2)

Xtreme Energy 206/212 Hydraulic Flat Cam

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:
  • 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.
See More

Competition Cams – Xtreme Energy 224/230 Hydraulic Flat Cam (Part No.12-242-2)

Xtreme Energy 224/230 Hydraulic Flat Cam

from

$251.99
HYDRAULIC – Xtreme Energy: Great for street machines, largest cam for stock converter, better with 2000 stall.

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.
See More

Edelbrock – Performer Series Retainer (Qty 16) (Part No.9724)

Performer Series Retainer (Qty 16)

from

$106.99
Product Features:
  • Use W/ Valve Springs Part #5822, 5882, 5896, 5872, 5867, 5812, 5857
  • Set of 16
  • 1.50 in. Outside Diameter
  • Steel Material
  • Black Oxide Finish
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Edelbrock – Performer Small-Block Oldsmobile 350 EGR Intake Manifold (Part No.3711)

Performer Small-Block Oldsmobile 350 EGR Intake Manifold

from

$487.99


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
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Edelbrock – RPM Air-Gap Oldsmobile 455 Intake Manifold (Part No.7551)

RPM Air-Gap Oldsmobile 455 Intake Manifold

from

$644.99
Edelbrock part #7551 Performer RPM Air-Gap Oldsmobile 455 intake manifold is intended for aggressive street/ strip big-block Oldsmobile applications. Designed to optimize horsepower production from 1500 to 6500 rpm, this manifold will perform best with en

Product Features:
  • 1500-6500 RPM Range
  • Dual Plane Type-4150 Style Flange
  • 5.04 in. Front Height, 5.54 in. Center Height, 6.04 in. Rear Height
  • Satin Finish
  • Non-EGR
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Holley – Strip Dominator; Intake Manifold (Part No.300-25)

Strip Dominator; Intake Manifold

from

$379.99
Strip Dominator intake manifold square bore carburetor mounting flange. Single plane with isolated plenum. Isolated water cross-over.

Product Features:
  • Single Plane With Isolated Plenum
  • Square Bore Carburetor Mounting Flange
  • Isolated Water Cross-Over
  • Power Band 4500-7600 rpm
  • Height Front 5.11 in. Rear 5.97 in.
  • Port Size 2.05 in. Height 1.22 in. Width
  • No Exhaust Heat Crossover Provision
  • Ideal For Drag Cars w/Auto Trans.
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Competition Cams – Valve Seals, Umbrella 11/32" 1 St (Part No.502-16)

Valve Seals, Umbrella 11/32" 1 St

from

$230.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with stock guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)

VALVE SEALS, 11/32" TEFLON 1 ST

from

$223.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$32.49
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 195 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
See More

Most Popular Performance Engine Rocker Arms for 1985 Oldsmobile 442s

Enhance your 1985 Oldsmobile 442 with one of the 2 Performance Engine Rocker Arms we have in stock, starting at just $31.99.

Competition Cams – ENG ROCKER ARM KIT (Part No.1441-KIT)

ENG ROCKER ARM KIT

from

$399.99
ENG ROCKER ARM KIT

Competition Cams – ENGINE ROCKER ARM (Part No.1442-1)

ENGINE ROCKER ARM

from

$31.99
ENGINE ROCKER ARM

Best-Selling 1985 Oldsmobile 442 Performance Engine Valve Stem Seal Sets

Upgrade your 442 with one of our 2 best-selling Performance Engine Valve Stem Seal Sets.

Competition Cams – Valve Seals, Umbrella 11/32" 1 St (Part No.502-16)

Valve Seals, Umbrella 11/32" 1 St

from

$230.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with stock guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)

VALVE SEALS, 11/32" TEFLON 1 ST

from

$223.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Top-Quality Performance Engine Timing Sets and Components for 1985 Oldsmobile 442s

Choose a high-quality OEM or aftermarket Performance Engine Timing Sets and Component for Oldsmobile 442s and enjoy top-notch performance from $85.99.

Competition Cams – ENGINE TIMING SET (Part No.2113)

ENGINE TIMING SET

from

$85.99
ENGINE TIMING SET

Our Top Pick for a 1985 Oldsmobile 442 Performance Intake Manifold

Invest in a durable Performance Intake Manifold for your 1985 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.

Edelbrock – Performer Small-Block Oldsmobile 350 EGR Intake Manifold (Part No.3711)

Performer Small-Block Oldsmobile 350 EGR Intake Manifold

from

$487.99


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
See More

Our Performance Engine Coolant Thermostats for 1985 Oldsmobile 442s

Make a smart move for your 1985 Oldsmobile 442 with our Performance Engine Coolant Thermostat for $32.49.

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$32.49
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 195 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
See More

Top-Rated Performance Engine Brands For Your 1985 Oldsmobile 442

When it comes to finding the perfect Performance Engine for your 1985 Oldsmobile 442, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Performance Engine brands including Edelbrock, and more, all known for their exceptional customer ratings (average brand rating of 4.4 stars) and competitive prices, as low as $487.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1985 Oldsmobile 442, providing peace of mind with parts that meet or exceed OEM standards.

Popular Edelbrock 1985 Oldsmobile 442 Performance Engines

If you’re looking for a top-quality Performance Engine for your 1985 Oldsmobile 442, 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 $487.99, you’ll find the perfect Performance Engine for your needs and budget. Edelbrock Performance Engines for the 1985 Oldsmobile 442 come highly rated, with over 2 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 Small-Block Oldsmobile 350 EGR Intake Manifold
from $487.99
(2)
Performer Small-Block Oldsmobile 350 EGR Intake Manifold
“Great street manifold, strong torque, can be driven daily if needed, looks cool when the hood is raised. Glad there are aftermarket suppliers heeding ”

FAQs for 1985 Oldsmobile 442 Performance Engines

What are the best-selling Performance Engines for 1985 Oldsmobile 442s?

Out of 28 Performance Engines that fit 1985 Oldsmobile 442s, the following parts are the top sellers:

What’s the price range for 1985 Oldsmobile 442 Performance Engines?

The prices of Performance Engines for the 1985 Oldsmobile 442 range from $7.99 up to $1,421.99 for the most premium parts.

What is the average price of a Performance Engine for a 1985 Oldsmobile 442?

The average price for Performance Engines for the 1985 Oldsmobile 442 is $269.72. 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 Oldsmobile 442 model years?

Yes, we carry Performance Engines for 9 model years of Oldsmobile 442s between 1964 and 1986. The following model years are the most popular for Performance Engine purchases: 1986, 1972, 1971, 1970, 1969, 1968, 1967, 1966, and 1965.

What are the cheapest Performance Engines for my 1985 Oldsmobile 442?

Does Advance Auto Parts sell Performance Engines for any other 1985 Oldsmobile models?

Yes. We stock Performance Engines for 8 other popular 1985 Oldsmobile models. Some of the most popular are 1985 Cutlass Supreme Performance Engines, 1985 98 Performance Engines, 1985 Delta 88 Performance Engines, 1985 Toronado Performance Engines, and 1985 Custom Cruiser Performance Engines.

What types of Performance Engines do you sell for my 1985 Oldsmobile 442?

As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1985 Oldsmobile 442:

Can I get help with 1985 Oldsmobile 442 Performance Engine orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Oldsmobile Performance Engines and more.

What is your return policy for Oldsmobile 442 Performance Engines?

Advance Auto Parts keeps returns simple. For new Oldsmobile 442 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.