1966 Cadillac Fleetwood Valve Cover and Cylinder Heads

Essential 1966 Cadillac Fleetwood Valve Cover and Cylinder Heads

Sealed Power – Engine Valve Spring Retainer Keeper (Part No.VK-115)

Engine Valve Spring Retainer Keeper

from

$0.43
Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8255 PT)

Cylinder Head Gasket Set

from

$112.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – Cylinder Head Gasket Set (Part No.HS 7893 PT-3)

Cylinder Head Gasket Set

from

$101.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Application specific design to ensure a perfect fit and premium seal
  • Engineered and manufactured specifically for the repair environment
  • Contains all the parts needed to complete the repair unless otherwise noted
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Felpro – Cylinder Head Gasket Set (Part No.HS 8753 PT-3)

Cylinder Head Gasket Set

from

$153.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8653 PT-2)

Cylinder Head Gasket Set

from

$73.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 9966 PT)

Cylinder Head Gasket Set

from

$193.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8540 PT)

Cylinder Head Gasket Set

from

$99.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 8753 PT-4)

Cylinder Head Gasket Set

from

$145.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Felpro – Cylinder Head Gasket Set (Part No.HS 7733 PT-15)

Cylinder Head Gasket Set

from

$72.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Sealed Power – Engine Valve Lifter (Part No.HT-2104)

Engine Valve Lifter

from

$15.79
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Valve Lifter (Part No.HT-2148A)

Engine Valve Lifter

from

$24.79
Sealed Power® Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
  • New OEM riveted pin retaining design
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Sealed Power – Engine Valve Lifter (Part No.HT-896)

Engine Valve Lifter

from

$10.29
Sealed Power« Vintage components provide coverage for applications over 35 years old, restoring classics with like new performance. Leading edge materials, ISO & QS certified manufacturing ensures performance and longevity for treasured engine rebuilds.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Valve Lifter (Part No.HT-2148)

Engine Valve Lifter

from

$12.99
Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Sealed Power – Engine Valve Lifter (Part No.HT-969)

Engine Valve Lifter

from

$8.49
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • Unsurpassed quality that you can trust
  • Uses leading edge materials
  • State-of-the-art manufacturing
  • Exacting tolerances
  • Meets or exceeds OEM specifications
See More

Competition Cams – LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST (Part No.850-16)

LIFTERS, LS SERIES OE STYLE HYD RLR 1 ST

from

$284.99
COMP Cams Hydraulic Roller Lifters are a performance upgrade for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks. The roller wheel decreases friction and increases longevity when compared to flat tappet lifters. Hydraulic roller lifters can handle much more aggressive cam profiles than flat tappets unlocking performance potential.

Product Features:
  • .842″ diameter; 122g weight; 2.66″ seat height
  • Performance replacement for stock hydraulic roller lifters or retro-fit hydraulic roller lifters for non-roller blocks
  • Decrease friction and increase longevity when directly compared to flat tappet lifters
  • Accept much more aggressive cam profiles than flat tappet lifters will allow
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Edelbrock – Hydraulic Roller Lifter Kit for 1987 and Later Big-Block Chevys (Part No.97384)

Hydraulic Roller Lifter Kit for 1987 and Later Big-Block Chevys

from

$298.99
Edelbrock part #97384 high performance hydraulic roller lifters for 1987 and later small-block Chevys are the perfect match for Edelbrock Rollin’ Thunder hydraulic roller cams. The Edelbrock Part #97384 are a drop-in replacement for 1987 and later blocks

Product Features:
  • For Small Block Chevy (1987-Later)
  • Without Tie Bar
  • .75 To 1 Turn Of Preload Is Recommended
  • Set of 16
  • Made In The USA
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8255 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$26.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Application specific design to ensure a perfect fit
  • Provides the robust seal needed to contain peak combustion pressures and temperatures
  • Unsurpassed quality you can trust
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8753 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$24.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.501 SD)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$41.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR THE TOUGHEST CONDITIONS — Engineered for hardworking vehicles that operate in severe conditions
  • STRONG AND DURABLE — Severe duty steel core gaskets designed slightly thicker to accommodate for machined surfaces
  • PREMIUM MATERIALS — High-grade stainless armor enhances strength and corrosion resistance while proprietary coatings enhance sealing and anti-stick properties
  • SUPERIOR SEAL — Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Mr. Gasket – Ultra Seal: Head Gasket (Part No.5799G)

Ultra Seal: Head Gasket

from

$68.99
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 4.130 inch, Compressed thickness 0.055 inch

Product Features:
  • Five layer (graphite core/perforated steel outer layers) composite construction
  • Graphite core is excellent transfering 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
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Felpro – Engine Cylinder Head Gasket (Part No.8716 PT-1)

Engine Cylinder Head Gasket

from

$37.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8540 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$19.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Application specific design to ensure a perfect fit
  • Built to exceed all original equipment specifications
  • Validated for fit, form, and function
  • Unsurpassed quality you can trust
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.7733 PT-2)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$34.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PROPRIETARY COATING — Nonstick anti-friction coating seals small surface scratches and imperfections
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • NO RETORQUE DESIGN — Steel core helps eliminate the need for retorquing head bolts
  • 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
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8723 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$25.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
See More

Mahle – Mahle Cylinder Head Gasket (Part No.A8100202329MAH)

Mahle Cylinder Head Gasket

from

$29.50
Mahle is the largest gasket manufacturer in the world, providing you original equipment design and quality and world class aftermarket service. Mahle does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Mahle doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Mahle gaskets prove it every day.

Product Features:
  • Original equipment design and quality
  • Head gaskets give you original equipment form, fit, and function
  • Utilizes OE equivalent or better materials
  • Packaged in shrink wrapped tray
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.7893 PT-1)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$28.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Validated for fit, form, and function
  • Accommodates high cylinder pressures and cylinder head movement associated with performance engines
  • Accommodates high cylinder pressures and cylinder head movement associated with performance engines
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Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.8653 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$22.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Built to exceed all original equipment specifications
  • Unsurpassed quality you can trust
See More

Felpro – Cylinder Head Gasket: Composite, Without Head Bolts (Part No.9966 PT)

Cylinder Head Gasket: Composite, Without Head Bolts

from

$37.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • PermaTorque head gaskets meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Requires no retorquing of the head bolts
  • Manufactured for the repair environment
  • Validated for fit, form, and function
  • Unsurpassed quality you can trust
See More

1966 Cadillac Fleetwood Valve Cover and Cylinder Heads

Maybe you’re in the middle of a full rebuild of that 1966 Cadillac Fleetwood. Maybe you just need a couple of Valve Cover and Cylinder Heads. Either way, Advance Auto Parts has 4 different Valve Cover and Cylinder Heads in our inventory ranging from $0.43 to $101.99. That means you can find the exact parts or products you need to keep that 1966 Cadillac Fleetwood running smoothly.

Valve Cover and Cylinder Heads are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 1966 Cadillac Fleetwood. Sealed Power and Felpro are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Valve Cover and Cylinder Heads for your 1966 Cadillac Fleetwood, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Valve Cover and Cylinder Heads to keep your 1966 Cadillac Fleetwood rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Valve Cover and Cylinder Heads Brands To Make Your 1966 Cadillac Fleetwood Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1966 Cadillac Fleetwood demands trusted brand parts and products to keep it running. Many trusted brands of Valve Cover and Cylinder Heads make up Advance Auto Parts’ inventory, and all are ready to help make your Fleetwood the best it can be. Be sure to browse some of our top Valve Cover and Cylinder Heads brands and parts.

Popular Sealed Power Valve Cover and Cylinder Heads

We carry Sealed Power parts in our stock across Engine Valve Locks and Engine Valve Lifters categories, plus more. For a 1966 Cadillac Fleetwood, our most popular Sealed Power Valve Cover and Cylinder Heads include:
Engine Valve Spring Retainer Keeper
from $0.43
(2)
Engine Valve Spring Retainer Keeper
Engine Valve Locks
Engine Valve Lifter
from $10.29
(1)
Engine Valve Lifter
Engine Valve Lifters

FAQs for 1966 Cadillac Fleetwood Valve Cover and Cylinder Heads

What are the most purchased Valve Cover and Cylinder Heads for the 1966 Cadillac Fleetwood?

Out of 4 Valve Cover and Cylinder Heads for the 1966 Cadillac Fleetwood, the most popular in our inventory are:
Cylinder Head Gasket: Composite, Without Head Bolts
from $28.49
This product is not rated
Cylinder Head Gasket: Composite, Without Head Bolts
Cylinder Head Gaskets
Cylinder Head Gasket Set
from $101.99
This product is not rated
Cylinder Head Gasket Set
Cylinder Head Gasket Sets