Wiseco 536M07350 Piston Kit - 1.50mm Oversize to 73.50mm

Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!Bore: 73.50mmSizing: 1.50mm OversizeForged from high-silicon aluminum alloy for maximum strength and dependability.. Innovative forging design and piston skirt provide maximum horsepower and torque.. Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).. Oversize pistons require cylinder sleeving.. SPECIFICATIONS. Displacement: 249cc. Bore - Standard: 72.00mm. Bore - Actual: 73.50mm. Bore - Oversize: 1.50mm. Stroke: 60.00mm. ITEM CONTENTS. 2894CD - 73.50 mm Ring Set. CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR). S459 - PistonPin 18mm x 1.850in. NonChromed TWPolaris Trail Blazer 250 1990-2006Polaris Trail Boss 250 1991-1999Polaris Trail Boss 250 2x4 1988-1993Polaris Trail Boss 250 4x4 1987-1993Polaris Trail Boss 250R/ES 1985-1988