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
• Note: Hastings replacement rings are for one piston only unless otherwise noted by a *

Piston Kit fits Shovelhead 1978/1984 1340cc (80ci)
7:1 compression, 3.497" standard bore size
By: WISECO PERFORMANCE PISTONS