Wiseco 536M07400 Piston Kit - 2.00mm Oversize to 74.00mm

Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!Bore: 74.00mmSizing: 2.00mm 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: 251cc. Bore - Standard: 72.00mm. Bore - Actual: 74.00mm. Bore - Oversize: 2.00mm. Stroke: 60.00mm. ITEM CONTENTS. 2913CD - 74.00 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