1955 Pontiac Chieftain Performance Engines
Keep Your 1955 Pontiac Chieftain 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 1955 Pontiac Chieftain 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 Engine Valve Stem Seal Sets, and Performance Engine Valve Spring Retainer. 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 1955 Pontiac Chieftain Performance Engine at Advance Auto Parts is around $143.43, with a range that starts at $10.99 and goes up to $429.99. With 8 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like High Performance Thermostat, VALVE SEALS, 11/32" TEFLON 1 ST, and 10 Degree Steel Retainer for 26120 Beehive Spring start at just $10.99 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 Ignition Products. At Advance Auto Parts, we’re here to help you keep your 1955 Pontiac Chieftain in peak condition, inside and out.
Find Your Specific 1955 Pontiac Chieftain Performance Engines
Looking for the perfect Performance Engine for your 1955 Pontiac Chieftain? 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 Pontiac Chieftain. Whether you’re driving a 1955 model or another popular model year like
1956,
1957, and
1958, 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 1955 Pontiac Chieftain Performance Engines
Competition Cams – Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit (Part No.CL51-600-5)
from
$429.99
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.
Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)
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:
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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
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
Popular 1955 Pontiac Chieftain Performance Engines Categories
Most Popular Performance Engine Coolant Thermostat for 1955 Pontiac Chieftains
Enhance your 1955 Pontiac Chieftain with this popular Performance Engine Coolant Thermostat we have in stock, 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
Best-Selling 1955 Pontiac Chieftain Performance Engine Valve Stem Seal Set
Upgrade your Chieftain with our best-selling Performance Engine Valve Stem Seal Set.
Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)
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:
See More
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
Top-Quality Performance Engine Valve Spring Retainer for 1955 Pontiac Chieftains
Choose a high-quality OEM or aftermarket Performance Engine Valve Spring Retainer for Pontiac Chieftains and enjoy top-notch performance from $10.99.
Competition Cams – 10 Degree Steel Retainer for 26120 Beehive Spring (Part No.795-1)
from
$10.99
10 Degree Steel Retainer for 26120 Beehive Spring
Our Top Pick for a 1955 Pontiac Chieftain Performance Engine Push Rod
Invest in a
durable Performance Engine Push Rod for your 1955 Pontiac, knowing you’re getting trusted brands and expert craftsmanship.
Competition Cams – Magnum 9.130" Long, .080" Wall, 5/16" Diameter Pushrod (Part No.7262-1)
from
$15.99
Magnum 9.130" Long, .080" Wall, 5/16" Diameter Pushrod
Our Performance Engine Camshaft and Lifter Kits for 1955 Pontiac Chieftains
Make a smart move for your 1955 Pontiac Chieftain with our Performance Engine Camshaft and Lifter Kit for $429.99.
Competition Cams – Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit (Part No.CL51-600-5)
from
$429.99
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:
See More
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.
FAQs for 1955 Pontiac Chieftain Performance Engines
What are the best-selling Performance Engines for 1955 Pontiac Chieftains?
Out of 8 Performance Engines that fit 1955 Pontiac Chieftains, the following parts are the top sellers:
- High Performance Thermostat (22903641) – $32.49
- VALVE SEALS, 11/32" TEFLON 1 ST (10043400) – $223.99
- 10 Degree Steel Retainer for 26120 Beehive Spring (50289146) – $10.99
What’s the price range for 1955 Pontiac Chieftain Performance Engines?
The prices of Performance Engines for the 1955 Pontiac Chieftain range from $10.99 up to $429.99 for the most premium parts.
What is the average price of a Performance Engine for a 1955 Pontiac Chieftain?
The average price for Performance Engines for the 1955 Pontiac Chieftain is $143.43. 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 Pontiac Chieftain model years?
What are the cheapest Performance Engines for my 1955 Pontiac Chieftain?
The cheapest 1955 Pontiac Chieftain Performance Engines we carry are:
- 10 Degree Steel Retainer for 26120 Beehive Spring (50289146) – $10.99
- Magnum 9.130" Long, .080" Wall, 5/16" Diameter Pushrod (50289181) – $15.99
- Engine Valve Spring (50286654) – $15.99
- Pro Magnum Hydraulic Flat Lifter for Oldsmobile 260-455 and Pontiac 326-455. (50286488) – $15.99
- High Performance Thermostat (22903641) – $32.49
Does Advance Auto Parts sell Performance Engines for any other 1955 Pontiac models?
Yes. We stock Performance Engines for 2 other popular 1955 Pontiac models. Some of the most popular are 1955 Catalina Performance Engines, 1955 Safari Performance Engines, and 1955 Star Chief Performance Engines.
What types of Performance Engines do you sell for my 1955 Pontiac Chieftain?
As of 3/1/26, these are some of the most in-demand types of Performance Engines for a 1955 Pontiac Chieftain:
Can I get help with 1955 Pontiac Chieftain Performance Engine orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Performance Engines and more.
What is your return policy for Pontiac Chieftain Performance Engines?
Advance Auto Parts keeps returns simple. For new Pontiac Chieftain Performance Engines and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.