Wiseco 4891P2 Piston Kit (73ci., Domed) - .020in. Oversize to 3.518in., 10.5:1 Compression

Demon’s Part # 4891P2 Mfg. Part # 4891P2


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Wiseco Piston Kit (73ci., Domed) - .020in. Oversize to 3.518in., 10.5:1 Compression

Forged 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: 1214cc. Bore - Standard: 3.498in. Bore - Actual: 3.518in. Bore - Oversize: .020in. Stroke: 3.812in. Compression Ratio - Actual: 10.5:1. Engine Type: 73ci. Dome Volume: +3.63cc. Valve Pocket Depth - Intake: -.167in. Valve Pocket Dia - Intake: 2.100in. Valve Pocket Depth - Exhaust: -.167in. Valve Pocket Dia - Exhaust: 2.100in. Skirt Coating: Moly. Note: Valve pocket dimensions measured from deck height. ITEM CONTENTs. 3517X - 89.33 mm Ring Set. S534 - PistonPin 20.117mm x 2.2007in. Chromed Sw. W5731 - ROUND WIRE PIN LOCKS-HARLEY20MM (Pr.