1978 Cadillac DeVille Performance Engines

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Keep Your 1978 Cadillac DeVille 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 1978 Cadillac DeVille looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Engine Valve Stem Seal Sets, Performance Engine Valve Springs, 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.

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 B & M. For example, B & M Performance Engines start at just $382.99 with an average 4.3 star rating. With over 4 reviews and a solid 5 star average, you can shop with confidence knowing other Cadillac DeVille owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1978 Cadillac DeVille Performance Engine at Advance Auto Parts is around $358.12, with a range that starts at $10.99 and goes up to $972.99. With 16 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like O-Ring Style Chrome Water Neck, Intake Manifold Bolts, and VALVE SEALS, 11/32" TEFLON 1 ST start at just $30.49 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 1978 Cadillac DeVille in peak condition, inside and out.

Essential 1978 Cadillac DeVille Performance Engines

B & M – Tork Master 3000 (Part No.20402)

Tork Master 3000

from

$562.99
Torque Converter – Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 3000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost performance torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available, Tork Master converters come with a new precision pump drive tube and all are pressure tested and fully balanced. The Tork Master torque converter is not recommended for big block or supercharged applications. New allow steel pump drive tube. Needle thrust bearing when factory equipped. New thrust washer between turbine and cover when required.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
  • Washer Between Turbine and Cover
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B & M – Holeshot 2400 (Part No.20412)

Holeshot 2400

from

$562.99
HoleShot 2400 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) Application: HoleShot 2400 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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B & M – Tork Master 2000: Value-Priced Street Performance Torque Converter (Part No.70420)

Tork Master 2000: Value-Priced Street Performance Torque Converter

from

$459.99
Similar in performance to the Holeshot series, the Tork Master is B&M’s lowest cost torque converter. The Tork Master is an excellent all-around performance street converter. The best ‘value priced’ street converters available.

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
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Edelbrock – Performer Buick 3.8L, 4.1L V6 Intake Manifold (Part No.5486)

Performer Buick 3.8L, 4.1L V6 Intake Manifold

from

$401.99


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
  • Not for C-3 and C-4 Electronic Fuel Mngmt Systems
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Mr. Gasket – Intake Manifold Bolts (Part No.957G)

Intake Manifold Bolts

from

$30.49
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes sixteen (16) 3/8 inch-16 x 1-1/4 inch bolts & washers

Product Features:
  • Zinc plated Grade 5 steel
  • Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
  • Ideal For Minimal Space
  • 12-Point Head And Flange
  • Zinc Plated For Protection
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Competition Cams – 10 Degree Steel Retainer for 26120 Beehive Spring (Part No.795-1)

10 Degree Steel Retainer for 26120 Beehive Spring

from

$10.99
10 Degree Steel Retainer for 26120 Beehive Spring

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
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Mr. Gasket – O-Ring Style Chrome Water Neck (Part No.2557)

O-Ring Style Chrome Water Neck

from

$32.49
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Complete with o-rings and mounting bolts
  • Features an o-ring style seal to prevent water leaks
  • Chrome plated
  • 1/2″ NPT port can be used for various coolant temp related sensors or switches
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Spectre – Water Neck; Olds (Part No.4733)

Water Neck; Olds

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:
  • Fits Oldsmobile 330, 350, 425 and 455 engines
  • Chrome plated
  • Bolts included
  • Designed for OEM fit
  • Easy to install
  • O-ring/gasket not included
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Most Popular Performance Engine Valve Stem Seal Set for 1978 Cadillac DeVilles

Enhance your 1978 Cadillac DeVille with this popular Performance Engine Valve Stem Seal Set we have in stock, for $223.99.

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

Best-Selling 1978 Cadillac DeVille Performance Engine Valve Springs

Upgrade your DeVille with one of our 3 best-selling Performance Engine Valve Springs.

Competition Cams – 16 Springs (Part No.26986-16)

16 Springs

from

$401.99
16 Springs

Competition Cams – 1 Spring (Part No.26981-1)

1 Spring

from

$20.99
1 Spring

Competition Cams – Engine Valve Spring (Part No.981-1)

Engine Valve Spring

from

$11.99
Engine Valve Spring

Top-Quality Performance Engine Camshafts for 1978 Cadillac DeVilles

Choose a high-quality OEM or aftermarket Performance Engine Camshaft for Cadillac DeVilles and enjoy top-notch performance from $614.99.

Competition Cams – High Energy 218/218 Hydraulic Flat Cam for Cadillac 425, 472, 500 (Part No.94-304-5)

High Energy 218/218 Hydraulic Flat Cam for Cadillac 425, 472, 500

from

$625.99
High Energy 218/218 Hydraulic Flat Cam for Cadillac 425, 472, 500

Competition Cams – High Energy 212/212 Hydraulic Flat Cam for Cadillac 425, 472, 500 (Part No.94-302-5)

High Energy 212/212 Hydraulic Flat Cam for Cadillac 425, 472, 500

from

$614.99
High Energy 212/212 Hydraulic Flat Cam for Cadillac 425, 472, 500

Our Top Pick for a 1978 Cadillac DeVille Performance Water Outlet

Invest in a durable Performance Water Outlet for your 1978 Cadillac, knowing you’re getting trusted brands and expert craftsmanship.

Mr. Gasket – O-Ring Style Chrome Water Neck (Part No.2557)

O-Ring Style Chrome Water Neck

from

$32.49
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Complete with o-rings and mounting bolts
  • Features an o-ring style seal to prevent water leaks
  • Chrome plated
  • 1/2″ NPT port can be used for various coolant temp related sensors or switches
See More

Our Performance Intake Manifolds for 1978 Cadillac DeVilles

Make a smart move for your 1978 Cadillac DeVille with our Performance Intake Manifold for $30.49.

Mr. Gasket – Intake Manifold Bolts (Part No.957G)

Intake Manifold Bolts

from

$30.49
These grade 5 hex head bolts are brite zinc plated for protection and appearance. Hardened flat washers provide uniform torque & prevent galling on aluminum manifolds. Includes sixteen (16) 3/8 inch-16 x 1-1/4 inch bolts & washers

Product Features:
  • Zinc plated Grade 5 steel
  • Flat washers provide uniform clamp load and prevent galling on aluminum intake manifolds
  • Ideal For Minimal Space
  • 12-Point Head And Flange
  • Zinc Plated For Protection
See More

Top-Rated Performance Engine Brands For Your 1978 Cadillac DeVille

When it comes to finding the perfect Performance Engine for your 1978 Cadillac DeVille, 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 B & M, and more, all known for their exceptional customer ratings (average brand rating of 4.3 stars) and competitive prices, as low as $382.99. Purchasing a Performance Engine from us here at Advance Auto Parts is a smart move for both you and your 1978 Cadillac DeVille, providing peace of mind with parts that meet or exceed OEM standards.

Popular B & M 1978 Cadillac DeVille Performance Engines

If you’re looking for a top-quality Performance Engine for your 1978 Cadillac DeVille, Advance Auto Parts has exactly what you need with our selection of B & M Performance Engines. We have 2 B & M Performance Engines in stock for this fitment, all known for their durability and precision fit. With prices starting at just $382.99 and an average cost of $472.99, you’ll find the perfect Performance Engine for your needs and budget. B & M Performance Engines for the 1978 Cadillac DeVille come highly rated, with over 2 customer reviews and an impressive average rating of 4.3 stars. Choosing a B & M Performance Engine from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Tork Master 2400
from $382.99
(1)
Tork Master 2400
“The B&M 2400 stall converter was a great choice for my application. It works well on the street and track, increased performance by leaps and bounds. ”
Tork Master 3000
from $562.99
(1)
Tork Master 3000
“good parts and very strong”

FAQs for 1978 Cadillac DeVille Performance Engines

What are the best-selling Performance Engines for 1978 Cadillac DeVilles?

Out of 16 Performance Engines that fit 1978 Cadillac DeVilles, the following parts are the top sellers:

What’s the price range for 1978 Cadillac DeVille Performance Engines?

The prices of Performance Engines for the 1978 Cadillac DeVille range from $10.99 up to $972.99 for the most premium parts.

What is the average price of a Performance Engine for a 1978 Cadillac DeVille?

The average price for Performance Engines for the 1978 Cadillac DeVille is $358.12. 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 Cadillac DeVille model years?

Yes, we carry Performance Engines for 27 model years of Cadillac DeVilles between 1964 and 1993. The following model years are the most popular for Performance Engine purchases: 1989, 1988, 1987, 1986, 1982, 1981, 1980, 1979, and 1977.

What are the cheapest Performance Engines for my 1978 Cadillac DeVille?

The cheapest 1978 Cadillac DeVille Performance Engines we carry are:

Does Advance Auto Parts sell Performance Engines for any other 1978 Cadillac models?

Yes. We stock Performance Engines for 3 other popular 1978 Cadillac models. Some of the most popular are 1978 Eldorado Performance Engines, 1978 Seville Performance Engines, 1978 Fleetwood Performance Engines, and 1978 Commercial Chassis Performance Engines.

What types of Performance Engines do you sell for my 1978 Cadillac DeVille?

As of 6/2/26, these are some of the most in-demand types of Performance Engines for a 1978 Cadillac DeVille:

Can I get help with 1978 Cadillac DeVille Performance Engine orders?

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

What is your return policy for Cadillac DeVille Performance Engines?

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