Wossner 68mm pistons
Forged and moly-coated in Germany
Piston rings
Chrome wristpins
Circlips
Quality wrist pin bearings
One piece base gasket
Intake gaskets
Cool head o-ring kit
Works on all Cub, Serval, Vito’s, Athena, ALL 421cc 68x58mm big bores using a 4mm stroker crank
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