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Port and Polish Service
Port and Polish Services

NOW OFFERING PORT AND POLISH SERVICES Gas flowing, or porting, is the answer. Let us knock the restrictions out of your factory four stroke cylinder headto free up that extra horsepower trapped inside your engine! With the precise amount of material removed from the head we can easily produce up to a 20% gain in overall power!

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After:


HOW DOES PORTING INCREASE POWER? By enlarging and polishing the intake and exhaust ports you realize a larger more direct air/fuel mixture to, and exhaust from your combustion chamber. This allows your engine to breathe better, thus producing more usable power. Compliment our port job with an after market pipe and free flowing filter for maximum engine performance! Porting will compliment any big bore or stroker engine application! We port all four stroke engines, specializing in: YFZ 450, TRX450R, AND 400EX. Our port and polish service is available from 50cc engines and up.

It takes a steady hand and buckets of patience combined with experience and knowledge to port a cylinder head correctly. We recommend that the inexperienced don’t try this on your own, as it is too easy to ruin your expensive cylinder head.Trust us to unlock that extra power you know you want. We offer over 24 years of experience and know how ranging from 50cc bikes to full blown drag cars.

Call for pricing.
Order online or call 800-782-8200 or 530-533-0802 Mon-Fri 7:00-5:00 PST

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