4VP-E1631-19-01

FZ6 (Naked version) 04-07 R

RSV4 FACTORY/RSV4-R/RR

8HP 2-Stroke

Fit for Yamaha XS1100 S/1100 1978-1981

Piston Kit & Rings Set STD +1.00 Fit for Yamaha YZF-R15 FZ 150 155cc 11-18 STD(57mm)1.00MM(58mm)Bore Size Generic Bore Size:STD(57mm) 4VP-E1631-19-01Features: Manufactured using the latest computerized technologies derived from GP and F1. Forged pistons are more temperature resistant and longer lasting than cast pistons. These pistons additionally have a piston skirt coating. The piston sets are supplied complete with rings, bolts and clips. Airtight function,prevent gas leakage from the top of the piston. This piston ring also achieve the heat dissipation effect. Prevent excessive oil from