FORGED PISTON KITS AND REPLACEMENT PARTS FOR BIG TWIN

• WISECO
• 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

Mid-USA Part Number: 62139

UOM: KIT