Description
Wiseco pistons kit, 8.5:1 compression for Harley Davidson Big Twin Evolution 80ci 1340cc. 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. Enlarged valve pockets provide the clearance for larger valves and high lift cams. Wrist pin holes are ream fit for a perfect geometrical surface.
- Wiseco pistons kit 8.5:1 compression, 3.497 standard
- Includes 2 pistons, rings, pins and snap rings
- Forged from hi-silicon aluminum alloy
- Designed for Stock stroke flywheels
- Tight piston to wall clearances for quieter operation
- Enlarged valve pockets
- Includes instructions and clearance recommendations
- For Big Twin Evolution 80ci 1340cc 1984 – 1999
