Wiseco piston set is .020 oversize and is for a 3-3/16" bore . Piston set has a compression of 10:1 and includes rings.

VT No: 11-9722
Wiseco piston set is .020 oversize and is for a 3-3/16" bore . Piston set has a compression of 10:1 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.
Fits:
XL 1972-1985
UOM: 1 - KIT
Country of Origin: USA

Manufacturer: Wiseco
2018 Catalog pages: 860

2017 Catalog Page: 860

V-Twin Manufacturing Part Number: 11-9722
Manufacturer: Wiseco
Manufacturer Part Number: K1602

Harley-Davidson & Indian OEM Cross Reference Part Numbers:            

Replacement Items:
11-9750 - 1000cc Piston Ring .020 Oversize

Detailed Instructions: CLICK HERE!