07+ Polaris Sportsman 90 Outlaw 90 Big Bore Kit 49mm Wiseco Top End Rebuild Kit TRX700XX 4045M08700

4045M08700

Complete rebuild of top and bottom end

83mm Wiseco forged big bore piston

Namura Top end gasket kit with MLS Head Gasket

07+ Polaris Sportsman 90 Outlaw 90 Big Bore Kit 49mm Wiseco Top End Rebuild Kit TRX700XX 4045M087000454934, 40122M04900, 810926, NA 50014T, 0454934, 0453533, 0453430, 0453429, 0453431, 0453432, 0453418, 0453427, 0453438, 0453578, 0453613, 0453616, 0453553, 0450717, 0453510, 0453520, 0453034, 0452402,Transform your 07+ Polaris Sportsman 90 or Outlaw 90 with this 49mm Big Bore Kit! Features new cylinder (honed to match Wiseco forged piston), gasket kit (Vertex Namura Moose), & head stud kit. Ready to install & use pump race gas. Unleash massive