S&S Cycle 106-5513 Forged Piston Kit (80ci.) - Standard Bore 3 1/2in. +.020.,8:1 Low Compression luggage-bags-pouches-drink-holders Great for the professional technician

Great for the professional technician or DIY mechanic

you are assured the smoothest braking available

1998-1999 Yamaha YZF-R1

Available with or without switch kit

Classic FMF logo silkscreened on front and back

S&S Cycle 106-5513 Forged Piston Kit (80ci.) - Standard Bore 3 1/2in. +.020.,8:1 Low Compression luggage-bags-pouches-drink-holders Great for the professional technicianFORGED LOW COMPRESSION PISTONS, FOR 80in. STOCK MOTORS WITH 31 2in. BORE AND 41 4in. STROKE (8: 1 C. R.). Replacement pistons available for stock 74in., 80in. and 35 8in. big bore applications. All pistons kits come with two pistons, rings, wrist pins, and wrist pin keepers. Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S. Requires the use of connecting rods with a rod length of 7.