COMP Cams 505-16 - Valve Seals 3/8in PTFE

Name: COMP Cams 505-16 - Valve Seals 3/8in PTFE
Brand: COMP Cams
SKU: COMP-505-16
Price: 43.99 USD
Availability: InStock

COMP Cams | MPN: 505-16 | SKU: COMP-505-16

$43⁹⁹ ~~$48³⁹~~

Description

Valve Stem Seal - Positive Stop - 3/8 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 505 seals have a .630" outer diameter and fit applications with 3/8" valves and .530" OD valve guides.

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.

Seal Outer Diameter: 0.63

Valve Guide Outer Diameter: 0.53

Valve Seal Type: Positive Stop PTFE

Valve Stem Outer Diameter: 3/8

Amazon ASIN: B000CIQ9VY

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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COMP Cams 505-16 - Valve Seals 3/8in PTFE

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