2921881 - Forged .030 10:1 Compression Piston Kit

Wiseco 80 Evolution domed piston kit is .030 oversize. Piston kit has a compression of 10:1 and includes Hastings X Ring pack. Bore is 3-1/2
**Note:Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.

Fits:
FLST 1986-1998
FLT 1984-1998
FXD 1991-1998
FXR 1984-1994
FXST 1984-1998

UOM: KIT
Country Of Origin: USA
Suggested Items: 11-9764 - 3-1/2 Evolution Piston Ring .030 Oversize

Accessory Items:
16-0622 - Ring-O-Matic Ring Compressor Tool Kit
60-0167 - Cylinder Boring Service
16-0075 - Wrist Pin Ring Tool