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Chin plates on the front dissipate pressure of the helmet when impacting
Mini sizes (J) keep the same tread pattern with a new sidewall/carcass design for improved performance for mid-soft to mid-hard terrain applications
2007-2010 Yamaha VX1100 WaveRunner VX
2015-2019 Polaris Sportsman 850 SP
2017-2018 Polaris 800 SwitchBack Assault 144
Wiseco 40049M08600 Piston Kit - Standard Bore 85.90mm, 8.6:1 Compression body-gas-tanks-accessories-tank-protectors Chin plates on the frontBore: 85. 90mm Compression: 8. 6: 1 Compression Sizing: Standard Bore SPECIFICATIONS. Displacement: 1813cc. Bore Standard: 86. 00mm. Bore Actual: 86. 00mm. Bore Oversize: STD. Stroke: 78. 00mm. Cylinders: 4. Compression Ratio Actual: 8. 6: 1. Skirt Coating: Moly. ITEM CONTENTS. 8600XX 86. 00MM RING SET. S734 Piston Pin 22 x 50. 8 x 10. 57mm SW 9310. W5590 ROUND WIRE PIN LOCKS (PAIR) All Wiseco Pistons are forged from high silicon, low expansion
