Mercury S-55 Performance Engine Valve Stem Seal Sets

Your Mercury S-55 will be happy to know that the search for the right Performance Engine Valve Stem Seal Sets you’ve been looking for is over! Advance Auto Parts has 1 different Performance Engine Valve Stem Seal Sets for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercury S-55 Performance Engine Valve Stem Seal Sets start from as little as $31.99.

When it comes to your Mercury S-55, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Performance Engine Valve Stem Seal Sets brands so you can shop with complete confidence. Some of our top Performance Engine Valve Stem Seal Sets brands are Competition Cams. We’re sure you will get the right product to keep that S-55 running for a long time.

We even have reviews of our OEM and aftermarket Performance Engine Valve Stem Seal Sets products to help you buy with confidence. Hear from other customers via the 10 reviews on parts for your Mercury S-55.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Performance Engine Valve Stem Seal Sets for your S-55, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 1 Mercury Performance Engine Valve Stem Seal Sets

Competition Cams – VALVE SEALS, TEFLON 3/8" 1 ST (Part No.505-16)

VALVE SEALS, TEFLON 3/8" 1 ST

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$31.99
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.

Product Features:
  • Work with .530″ guides and 3/8″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
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