1965 Oldsmobile Jetstar I Performance Engines
Keep Your 1965 Oldsmobile Jetstar I 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 1965 Oldsmobile Jetstar I looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Coolant Thermostats, Performance Intake Manifolds, and Performance Engine Cylinder Head 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 Edelbrock. For example, Edelbrock Performance Engines start at just $519.99 with an average 4.4 star rating. With over 33 reviews and a solid 4 star average, you can shop with confidence knowing other Oldsmobile Jetstar I owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1965 Oldsmobile Jetstar I Performance Engine at Advance Auto Parts is around $230.02, with a range that starts at $26.99 and goes up to $899.99. With 17 options in stock from 5 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, Water Neck; Olds, and Ultra Seal: Head Gasket start at just $26.99 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 Distributors and Performance Fuel Systems. At Advance Auto Parts, we’re here to help you keep your 1965 Oldsmobile Jetstar I in peak condition, inside and out.
Find Your Specific 1965 Oldsmobile Jetstar I Performance Engines
Looking for the perfect Performance Engine for your 1965 Oldsmobile Jetstar I? 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 Jetstar I. Whether you’re driving a 1965 model or another popular model year like
1964, 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 1965 Oldsmobile Jetstar I Performance Engines
Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)
from
$29.49
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 160 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
Mr. Gasket – High Performance Thermostat (Part No.4365)
from
$31.99
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:
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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
Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)
from
$29.99
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:
See More
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
B & M – Torque Converter, Nitrous Holeshot 3600 (Part No.20482)
from
$749.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.
Product Features:
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Product Features:
- 3400-3800 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)
from
$899.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.
Product Features:
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Product Features:
- 2800-3200 RPM
- Small And Big Blocks
- Serious Performance
- Furnace Brazed
- Fully Balanced
Edelbrock – Performer Intake Manifold for Olds 400-455, Non-EGR, Satin (Part No.2151)
from
$519.99Product Features:
- For Idle to 5500 RPM Street-Driven Performance
- Dual-Plane Low-Rise Intake w/180 deg. Firing Order
- Patented Runner Design Ensures Broad Torque Curve
- Excellent Throttle Response and Mid-Range Power
- 50-State Street Legal if Correct Carburetor Used
Edelbrock – RPM Air-Gap Oldsmobile 455 Intake Manifold (Part No.7551)
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:
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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
Edelbrock – Cylinder Head Gasket Set for Oldsmobile (Part No.7340)
from
$61.99
Product Features:
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- 4.25 in. Cylinder Bore Diameter
- 0.042 in. Thickness
- 9.8cc Volume
- Gray Color
- Two Piece Configuration
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 – Ultra Seal: Head Gasket (Part No.5788G)
from
$87.99
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
Spectre – Water Neck; Olds (Part No.4733)
from
$26.99
Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.
Product Features:
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Product Features:
- Fits Oldsmobile 330, 350, 425 and 455 engines
- Chrome plated
- Bolts included
- Designed for OEM fit
- Easy to install
- O-ring/gasket not included
Popular 1965 Oldsmobile Jetstar I Performance Engines Categories
Most Popular Performance Engine Coolant Thermostats for 1965 Oldsmobile Jetstar Is
Enhance your 1965 Oldsmobile Jetstar I with one of the 3 Performance Engine Coolant Thermostats we have in stock, starting at just $29.49.
Mr. Gasket – High Performance 180 Degree Thermostat for Increased Flow (Part No.4364)
from
$29.99
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:
See More
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
Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)
from
$29.49
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 160 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
Mr. Gasket – High Performance Thermostat (Part No.4365)
from
$31.99
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:
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
Best-Selling 1965 Oldsmobile Jetstar I Performance Intake Manifolds
Upgrade your Jetstar I with one of our 2 best-selling Performance Intake Manifolds, earning an average 5 stars rating across 1 reviews.
Edelbrock – Performer Intake Manifold for Olds 400-455, Non-EGR, Satin (Part No.2151)
from
$519.99Product Features:
- For Idle to 5500 RPM Street-Driven Performance
- Dual-Plane Low-Rise Intake w/180 deg. Firing Order
- Patented Runner Design Ensures Broad Torque Curve
- Excellent Throttle Response and Mid-Range Power
- 50-State Street Legal if Correct Carburetor Used
Edelbrock – RPM Air-Gap Oldsmobile 455 Intake Manifold (Part No.7551)
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:
See More
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
Top-Quality Performance Engine Cylinder Head Gaskets for 1965 Oldsmobile Jetstar Is
Choose a high-quality OEM or aftermarket Performance Engine Cylinder Head Gasket for Oldsmobile Jetstar Is and enjoy top-notch performance from $61.99.
Mr. Gasket – Ultra Seal: Head Gasket (Part No.5788G)
from
$87.99
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.brbrGasket Bore 4.230 inch, Compressed thickness 0.038 inch
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
Edelbrock – Engine Gasket Set (Head / Intake / Exhaust / Valve Cover) for Oldsmobile (Part No.7373)
from
$130.99
Product Features:
See More
- 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
Edelbrock – Cylinder Head Gasket Set for Oldsmobile (Part No.7340)
from
$61.99
Product Features:
See More
- 4.25 in. Cylinder Bore Diameter
- 0.042 in. Thickness
- 9.8cc Volume
- Gray Color
- Two Piece Configuration
Top Picks for 1965 Oldsmobile Jetstar I Performance Engine Rocker Arms
Invest in one of our 3 durable Performance Engine Rocker Arms for your 1965 Oldsmobile, knowing you’re getting trusted brands and expert craftsmanship.
Competition Cams – ENGINE ROCKER ARM (Part No.17044-16)
from
$277.99
ENGINE ROCKER ARM
Competition Cams – HIGH ENRGY ALUM ROCK (Part No.17044-8)
from
$148.99
HIGH ENRGY ALUM ROCK
Competition Cams – ENGINE ROCKER ARM (Part No.17044-1)
from
$27.99
ENGINE ROCKER ARM
Our Performance Water Outlets for 1965 Oldsmobile Jetstar Is
Make a smart move for your 1965 Oldsmobile Jetstar I with our Performance Water Outlet for $26.99.
Spectre – Water Neck; Olds (Part No.4733)
from
$26.99
Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.
Product Features:
See More
Product Features:
- Fits Oldsmobile 330, 350, 425 and 455 engines
- Chrome plated
- Bolts included
- Designed for OEM fit
- Easy to install
- O-ring/gasket not included
Top-Rated Performance Engine Brands For Your 1965 Oldsmobile Jetstar I
When it comes to finding the perfect Performance Engine for your 1965 Oldsmobile Jetstar I, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 5 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 $519.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1965 Oldsmobile Jetstar I, providing peace of mind with parts that meet or exceed OEM standards.
Popular Edelbrock 1965 Oldsmobile Jetstar I Performance Engines
If you’re looking for a top-quality Performance Engine for your 1965 Oldsmobile Jetstar I, 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 $519.99, you’ll find the perfect Performance Engine for your needs and budget. Edelbrock Performance Engines for the 1965 Oldsmobile Jetstar I come highly rated, with over 1 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.
from
$519.99
(1)
Performer Intake Manifold for Olds 400-455, Non-EGR, Satin
“Replaced Edelbrock O4B with this intake. Immediately noticed the car had more power and ran better. One piece of advice, use the exhaust block off p”
FAQs for 1965 Oldsmobile Jetstar I Performance Engines
What are the best-selling Performance Engines for 1965 Oldsmobile Jetstar Is?
Out of 17 Performance Engines that fit 1965 Oldsmobile Jetstar Is, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $31.99
- Water Neck; Olds (22905408) – $26.99
- Ultra Seal: Head Gasket (10649155) – $87.99
What’s the price range for 1965 Oldsmobile Jetstar I Performance Engines?
The prices of Performance Engines for the 1965 Oldsmobile Jetstar I range from $26.99 up to $899.99 for the most premium parts.
What is the average price of a Performance Engine for a 1965 Oldsmobile Jetstar I?
The average price for Performance Engines for the 1965 Oldsmobile Jetstar I is $230.02. 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.
What are the cheapest Performance Engines for my 1965 Oldsmobile Jetstar I?
The cheapest 1965 Oldsmobile Jetstar I Performance Engines we carry are:
- Water Neck; Olds (22905408) – $26.99
- ENGINE ROCKER ARM (50272407) – $27.99
- High Performance Thermostat – 160 Degree Brass & Copper (17360031) – $29.49
- High Performance 180 Degree Thermostat for Increased Flow (17360033) – $29.99
- High Performance Thermostat (22903641) – $31.99
Does Advance Auto Parts sell Performance Engines for any other 1965 Oldsmobile models?
Yes. We stock Performance Engines for 8 other popular 1965 Oldsmobile models. Some of the most popular are 1965 Cutlass Performance Engines, 1965 98 Performance Engines, 1965 Delta 88 Performance Engines, 1965 F85 Performance Engines, and 1965 Vista Cruiser Performance Engines.
What are the top-rated Performance Engines that fit the 1965 Oldsmobile Jetstar I?
The one 1965 Oldsmobile Jetstar I Performance Engine we have in stock is the Water Neck; Olds. It costs $26.99.
What types of Performance Engines do you sell for my 1965 Oldsmobile Jetstar I?
As of 11/2/25, these are some of the most in-demand types of Performance Engines for a 1965 Oldsmobile Jetstar I:
Can I get help with 1965 Oldsmobile Jetstar I 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 Jetstar I Performance Engines?
Advance Auto Parts keeps returns simple. For new Oldsmobile Jetstar I Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.