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CSP2026

COMP Cams 503-16 - Valve Seals 11/32in PTFE

COMP Cams  |  SKU: COMP-503-16
Sale price $4799 Regular price $5279

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

COMP Cams 503-16 - Valve Seals 11/32in PTFE

Valve Stem Seal - Positive Stop - 11/32 in Valve Stem - 0.530 in Guide - PTFE - Set of 16

COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 503 seals have a .630" outer diameter and fit applications with 11/32" valves and .530" OD valve guides.

Fits: 11/32" Valve Stems / .530" Guides (.630" Seal Diameter). Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides. Smaller diameter than COMP Umbrella Seals to allow use with double springs.

Valve Guide Outer Diameter: 0.53
Valve Seal Type: Positive Stop PTFE
Valve Stem Outer Diameter: 11/32
Seal Outer Diameter: 0.63
Amazon ASIN: B000CIUD02
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. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year 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 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. Exemption Reason: No impact on pollution output of vehicle.
C.A.R.B. E.O. Number: N/A

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