1985 Oldsmobile 98 Performance Engines
Keep Your 1985 Oldsmobile 98 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 98 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Push Rods, Performance Engine Cylinder Head Gaskets, and Performance Engine Camshafts. 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.
Competitive Prices and Extensive Inventory
The average price for a 1985 Oldsmobile 98 Performance Engine at Advance Auto Parts is around $195.59, with a range that starts at $9.99 and goes up to $815.99. With 11 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Lower Intake Manifold Gasket Set: 3 Piece Set, and Performance Cylinder Head Gasket 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 Ignition Products and Performance Radiators. At Advance Auto Parts, we’re here to help you keep your 1985 Oldsmobile 98 in peak condition, inside and out.
Find Your Specific 1985 Oldsmobile 98 Performance Engines
Looking for the perfect Performance Engine for your 1985 Oldsmobile 98? You’re in the right place. Below, you’ll find links to various types of Performance Engines that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Engines, ensuring durability and a precise fit for your Oldsmobile 98. Whether you’re driving a 1985 model or another popular model year like
1988,
1989,
1990,
1991,
1992,
1993,
1994,
1995, and
1996, we’ve got you covered. Purchasing Performance Engines from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Engines that fit your vehicle.
Essential 1985 Oldsmobile 98 Performance Engines
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1155)
from
$85.99
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 Printo seal 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
Mr. Gasket – Ultra Seal: Head Gasket (Part No.5788G)
from
$89.99
Mr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core/perforated steel outer layers) composite construction. The graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing gasket burn-out. They provide excellent stability, compressibility and high temperature endurance. A high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads. Suitable for high performance street, drag race and oval track use. Sold individually.
Product Features:
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Product Features:
- Five layer (graphite core/perforated steel outer layers) composite construction
- Graphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing gasket burn-out
- Provides excellent stability, compressibility and high temperature endurance
- Coated with high temperature silicone to ensure sealing of engine fluids
- Will not brinell (indent) aluminum cylinder heads
- For high performance street, drag race and oval track use
- Compatible w/High Octane Fuel
- Compatible With Exotic Fuel
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1016)
from
$54.99
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.
Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Oldsmobile (Part No.7373)
from
$130.99
Product Features:
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- Head: 4.250″ Bore/0.042″ Thick/9.8cc Vol.
- Intake: 1.44″x2.44″ Port/.060″ Thick
- Exhaust: 1.95″x1.56″ Port
- 3/16″ Valve Cover
- Multi Piece Configuration
Mr. Gasket – High Performance Thermostat (Part No.4365)
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:
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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
FEL-PRO Performance – Lower Intake Manifold Gasket Set: 12 Piece Set (Part No.1233)
from
$34.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)
from
$32.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
Edelbrock – Intake Manifold Gasket for 1965-76 400-425-455 Oldsmobile engines (Part No.7284)
from
$30.99
Product Features:
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- 1.44″x2.44″
- Features Embossed Silicone Bead Around The Intake Ports & Water Openings
- .060″ Thick
- Two Piece Configuration
- End Seals Not Included
FEL-PRO Performance – Lower Intake Manifold Gasket Set: 4 Piece Set (Part No.1356)
from
$44.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
Mr. Gasket – Intake Gasket (Part No.405G)
from
$49.99
Mr. Gasket Performance Intake Gaskets are manufactured from cellulose/nitrile composition gasket material. They provide excellent sealing and durability. Can be trimmed if necessary for modified port applications. Complete with manifold end seals and distributor gasket (where applicable). For original equipment replacement, high performance street, drag race and oval track.
Product Features:
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Product Features:
- Manufactured from cellulose/nitrile composition gasket material
- Provides excellent sealing and durability
- Can be trimmed if necessary for modified port applications
- Complete with manifold end seals and distributor gasket where applicable
- For OE replacement, high performance street, drag race and oval track use
Competition Cams – Xtreme Energy 218/224 Hydraulic Flat Cam (Part No.42-222-4)
from
$350.99
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 – Xtreme Energy 224/230 Hydraulic Flat Cam (Part No.42-223-4)
from
$328.99
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 – Xtreme Energy 240/246 Hydraulic Flat Cam (Part No.42-225-4)
from
$297.99
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 – Mutha’ Thumpr 234/249 Hydraulic Flat Cam (Part No.42-601-5)
from
$341.99
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods.
Product Features:
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Product Features:
- Early intake valve opening and long exhaust duration create optimum overlap for powerful, hard-hitting exhaust note.
- Best with aftermarket converters and more rear gear.
- Three unique cam designs for each application that deliver excellent horsepower gains and broad torque curve; perfect choice for muscle cars and street rods.
Popular 1985 Oldsmobile 98 Performance Engines Categories
Most Popular Performance Engine Push Rod for 1985 Oldsmobile 98s
Enhance your 1985 Oldsmobile 98 with this popular Performance Engine Push Rod we have in stock, for $31.99.
Competition Cams – High Energy 8.684" Long, 5/16" Diameter Pushrod Set of 12 (Part No.7869-12)
from
$31.99
High Energy 8.684" Long, 5/16" Diameter Pushrod Set of 12
Best-Selling 1985 Oldsmobile 98 Performance Engine Cylinder Head Gasket
Upgrade your 98 with our best-selling Performance Engine Cylinder Head Gasket.
FEL-PRO Performance – Performance Cylinder Head Gasket (Part No.1000)
from
$61.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions.
Product Features:
See More
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.
Top-Quality Performance Engine Camshafts for 1985 Oldsmobile 98s
Choose a high-quality OEM or aftermarket Performance Engine Camshaft for Oldsmobile 98s and enjoy top-notch performance from $428.99.
Competition Cams – High Energy 218/212 Hydraulic Roller Cam for Buick Grand National 231 V6 (Part No.69-400-8)
from
$815.99
High Energy 218/212 Hydraulic Roller Cam for Buick Grand National 231 V6
Competition Cams – High Energy 212/212 Hydraulic Roller Cam for Buick Grand National 231 V6 (Part No.69-300-8)
from
$815.99
High Energy 212/212 Hydraulic Roller Cam for Buick Grand National 231 V6
Competition Cams – High Energy 206/206 Hydraulic Roller Cam for Buick Grand National 231 V6 (Part No.69-200-8)
from
$815.99
High Energy 206/206 Hydraulic Roller Cam for Buick Grand National 231 V6
Competition Cams – High Energy 218/218 Hydraulic Flat Cam for Buick 181-252 Even Fire V6 (Part No.69-246-4)
from
$479.99
High Energy 218/218 Hydraulic Flat Cam for Buick 181-252 Even Fire V6
Competition Cams – High Energy 212/212 Hydraulic Flat Ca, for Buick Grand National 231 V6 (Part No.69-248-4)
from
$428.99
High Energy 212/212 Hydraulic Flat Ca, for Buick Grand National 231 V6
Our Top Pick for a 1985 Oldsmobile 98 Performance Engine Intake Manifold Gasket
Invest in a
durable Performance Engine Intake Manifold Gasket for your 1985 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.
FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)
from
$32.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions
Product Features:
See More
Product Features:
- DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
- SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
- ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
- REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
- EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
Our Performance Engine Coolant Thermostats for 1985 Oldsmobile 98s
Make a smart move for your 1985 Oldsmobile 98 with our Performance Engine Coolant Thermostat for $32.49.
Mr. Gasket – High Performance Thermostat (Part No.4365)
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:
See More
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
FAQs for 1985 Oldsmobile 98 Performance Engines
What are the best-selling Performance Engines for 1985 Oldsmobile 98s?
Out of 11 Performance Engines that fit 1985 Oldsmobile 98s, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $32.49
- Lower Intake Manifold Gasket Set: 3 Piece Set (19781715) – $32.99
- Performance Cylinder Head Gasket (19782376) – $61.99
What’s the price range for 1985 Oldsmobile 98 Performance Engines?
The prices of Performance Engines for the 1985 Oldsmobile 98 range from $9.99 up to $815.99 for the most premium parts.
What is the average price of a Performance Engine for a 1985 Oldsmobile 98?
The average price for Performance Engines for the 1985 Oldsmobile 98 is $195.59. 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 98 model years?
What are the cheapest Performance Engines for my 1985 Oldsmobile 98?
The cheapest 1985 Oldsmobile 98 Performance Engines we carry are:
- Engine Valve Spring (50286657) – $9.99
- High Energy 8.684" Long, 5/16" Diameter Pushrod Set of 12 (50289699) – $31.99
- High Performance Thermostat (22903641) – $32.49
- Lower Intake Manifold Gasket Set: 3 Piece Set (19781715) – $32.99
- Engine Valve Spring Kit (50286703) – $57.99
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 Delta 88 Performance Engines, 1985 Toronado Performance Engines, 1985 Custom Cruiser Performance Engines, and 1985 Cutlass Ciera Performance Engines.
What types of Performance Engines do you sell for my 1985 Oldsmobile 98?
As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1985 Oldsmobile 98:
Can I get help with 1985 Oldsmobile 98 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 98 Performance Engines?
Advance Auto Parts keeps returns simple. For new Oldsmobile 98 Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.