WISECO 0903-0421 K101 Piston Kit Forged Series for 2-Stroke Piston Kit - 60.50 mm - Kawasaki H1 Mach III/KH500 Brand_Namz Fits most Big Twin Classics

Fits most Big Twin Classics and '70-'78 models with ignition points systems

with aluminum cups and steel tubes

1978-1981 Honda XL250S

Perfect match for Saddlemen Roadsofa™ step-up tuck-n'-roll seats

Miller mirror clamp part# DS-302020 is required

WISECO 0903-0421 K101 Piston Kit Forged Series for 2-Stroke Piston Kit - 60.50 mm - Kawasaki H1 Mach III/KH500 Brand_Namz Fits most Big Twin ClassicsFeatures Designed and built for each specific 2 stroke powersports engine Forged from high silicon alloy for maximum strength and dependability Dedicated forgings and additional lightening operations allow for optimized strength to weight ratio Kit includes piston(s), ring(s), wrist pin, and circlips Specs Skirt Coating ArmorGlide Units Kit Displacement 515 cc Product Name Piston Kit Piston Diameter 60. 42 mm Bore Oversize Standard Piston Material