Wiseco Piston Kit for 1990-93 Polaris Trail Boss 350 - Bored to 81.50mm - 639M08150 feed-mpn-ESL970 Output is about 20% more

Output is about 20% more than the OEM unit

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Wiseco Piston Kit for 1990-93 Polaris Trail Boss 350 - Bored to 81.50mm - 639M08150 feed-mpn-ESL970 Output is about 20% moreWiseco Performance Piston Kit Part Number: 639M08150 Piston Size: 81. 50mm These kits contain everything you need to complete your piston repair, the first time Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy. High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power. Each piston is built from race proven designs that are chosen by the top race teams in all forms