11-9737 - 80 Shovelhead Piston Set .040 Oversize
Wiseco piston set is .040 oversize and is for a 3-1/2 bore. Piston set has a compression of 7:1 and includes rings.
**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.
Country Of Origin: USA
Suggested Items: 11-9765 - 3-1/2 Evolution Piston Ring .040 Oversize
16-0622 - Ring-O-Matic Ring Compressor Tool Kit
16-0029 - Connecting Rod Clamping Tool
60-0167 - Cylinder Boring Service