Wiseco 40076M08550 Piston Kit - 1.00mm Oversized to 86.42mm, 10.5:1 Compression chemical-fog-blocker 012 Semi Keystone Ring Set

012 Semi Keystone Ring Set

2017-2018 KTM 250 SX

Design prevents deflectors from sliding on bars

2018 Can-Am Outlander Max 850 XT

Wiseco 40076M08550 Piston Kit - 1.00mm Oversized to 86.42mm, 10.5:1 Compression chemical-fog-blocker 012 Semi Keystone Ring SetBore: 86. 42mm Compression: 10. 5: 1 Compression Sizing: 1. 00mm Oversize SPECIFICATIONS. Displacement: 411cc. Bore Standard: 84. 50mm. Bore Actual: 85. 50mm. Bore Oversize: 1. 00mm. Stroke: 71. 50mm. Cylinders: 1. Compression Ratio Actual: 10. 5: 1. Skirt Coating: ArmorGlide. ITEM CONTENTS. 8550XX 85. 50MM RING SET. CW20 ROUND WIRE PIN LOCKS 20MM (PAIR). S520 PistonPin 20mm x 2. 362in. NonChromed TW All Wiseco Pistons are forged from high silicon,