Wiseco Big Bore Piston Kits With Gaskets For Twin Cam

Weight (lbs): 3.83 Wiseco Big Bore Pistons are forged from hi-silicon aluminum alloy for superior strength and dependability The unique piston shape allows tight piston to wall clearances for quieter operation Grooves are machined around the top ring lands to reduce detonation and improve the sealing power of the top ring Designed for Stock stroke flywheels only All wrist pin holes are ream fit for a perfect geometrical surface Enlarged valve pockets provide the clearance for larger valves and high lift cams but must be checked Includes Instructions and clearance recommendations All Piston Kits include Cometic brand gasket sets +.010" O.S., 9:1 compression ratio Fits: Harley Twin Cam 1999-Later 1550cc (95ci) By: WISECO PERFORMANCE PISTONS