Wiseco 643M04900 Piston Kit - 2.00mm Oversize to 50.95mm electrical-electrical-components-solenoids Use Timken style sprocket shaft

Use Timken style sprocket shaft bearings and 1958 and later pinion bearings (will not accept 1957 and earlier flywheels)

control foaming

Class-leading power

Protect your cases

Chrome handlebar-mounted inflation switch

Wiseco 643M04900 Piston Kit - 2.00mm Oversize to 50.95mm electrical-electrical-components-solenoids Use Timken style sprocket shaftBore: 50. 95mm Compression: Compression Not Available Sizing: 2. 00mm Oversize SPECIFICATIONS. Displacement: 82. 9cc. Bore Standard: 47. 00mm. Bore Actual: 49. 00mm. Bore Oversize: 2. 00. Stroke: 47. 8mm. ITEM CONTENTS. 1929CS 49. 00 mm Ring. CW14 ROUND WIRE PIN LOCKS 14MM (PAIR). S517 PistonPin 14mm x 1. 510in. NonChromed TW All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight,