Comp Cams 505-16 Set Of 16 Ptfe Valve Seals For .530” Guide Size, 3/8” Valve Stem

Description

Comp Cams Offers A Complete Line Of Valve Stem Seals, From The Umbrella Seals To The Positive-Stop 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 Seal Is Used. The Umbrella Seals Require No Machining, But With The 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.