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$25.99
$24.99
COMP Cams 505-16 Valve Stem Seals, PTFE, .530 Inch, 3/8 Inch, Set/16
COMP Cams 505-16 Valve Stem Seals, PTFE, .530 Inch, 3/8 Inch, Set/16

COMP Cams 505-16 Valve Stem Seals, PTFE, .530 Inch, 3/8 Inch, Set/16

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COMP Cams 505-16 Valve Stem Seals, PTFE, .530 Inch, 3/8 Inch, Set/16
COMP Cams 505-16 Valve Stem Seals, PTFE, .530 Inch, 3/8 Inch, Set/16
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We estimate this item will ship on or before December 14th.
Part # 28250516
$24.99
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 3 business days for COMP Cams to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

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GTIN Code:
036584140252

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COMP Cams Positive Stop Teflon Valve Stem Oil Seals, 3/8" Valve Stem Diameter.

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.

Some parts are not legal for use in California or other states with similar laws/regulations

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  • What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.
  • Learn the basics to engine performance like; how does a cam work? What is Valve lift, duration, lobe separation angle, and cam profiles? Afterwords selecting the right camshaft will be less of a guessing game!
  • One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
  • Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.

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