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COMP Cams 503-8 Set Of Ptfe Valve Seals For Guide Size Valve Stem - 8 530 11/32

(Ford F-150 1975-95, Mustang 1964-95, F-250 1975-95, Bronco 1966-95, Thunderbird 1968-81, 1983-88, 1991-93, F-350 1975-95, Maverick 1971-77 + 209 more models)

Part of: COMP Cams Set Of Ptfe Valve Seals For Guide Size Valve Stem

Other options in this family: COMP Cams 503-16 COMP Cams 505-16 COMP Cams 503-12 COMP Cams 512-16 COMP Cams 513-16

Manufacturer

Picture for manufacturer COMP Cams

Part Number

503-8
9 reviews
Sale Price

$22.95

In Stock (7)

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Usually delivered within 2 days

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Product Details

The COMP Cams 503-8 valve stem oil seal set delivers reliable performance for precision engine builds. These high-quality PTFE (polytetrafluoroethylene) valve seals are engineered to control oil consumption and reduce emissions while maintaining proper valve guide lubrication.

Key Specifications:

  • Guide Size: .530" (13.46mm) outside diameter
  • Valve Stem Size: 11/32" (.344") diameter
  • Material: PTFE for superior heat resistance and durability
  • Quantity: 8 seals per set

Features and Benefits:

  • PTFE construction provides excellent chemical resistance and low friction properties
  • Precision-manufactured to OE specifications for proper fitment
  • Helps prevent excessive oil from entering the combustion chamber
  • Designed to withstand high temperatures and prolonged engine operation
  • Ideal for valve jobs, engine rebuilds, and performance applications

This seal set is compatible with engines using .530" valve guides and 11/32" valve stems. Perfect for enthusiasts and professional engine builders who demand quality components for their builds.

Products specifications

Fits

Ford F-150 1975-95, Mustang 1964-95, F-250 1975-95, Bronco 1966-95, Thunderbird 1968-81, 1983-88, 1991-93, F-350 1975-95, Maverick 1971-77, Galaxie 500 1963-74, F-100 1975-83, F-250 Pickup 1972-95, Fairlane 1963-70, Ranchero 1965-79 + 204 more models

Valve Guide Outer Diameter

0.53

Seal Outer Diameter

0.63

Valve Stem Outer Diameter

11/32

Valve Seal Type

Positive Stop PTFE

AMAZON ASIN

B001R9FJAO

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

Yes

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exemption Reason

No impact on pollution output of vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Awesome price! I couldn't find a better bargain anywhere, and I searched for days.

Best price on VP fuel jugs and way fast shipping

I searched the internet high and low for the JKS Quicker Disconnects and almost thought it was a scam when I found them for this price! The order was simple and the shipping was fast. I could not be happier!

My experience with autoplicity was great. Great selection and service. Fast shipping. Will definitely use them again.

It was all good except no estimated shipping or delivery dates.

Helpful-reasonable prices-reasonable shipping-prompt.

Good price, quick shipping, no instant refund though!

cheapest price, better than summitt or jegs too

Lowest price usually means sub-par customer service. Not the case at Autoplicity. I had questions after my item shipped, they responded promptly and professionally multiple times, and were totally willing to work with me. Very satisfying, would not hesitate to order from Autoplicity again.

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