S&S Replacement piston and ring set is .020 oversize and for a 4-1/8 bore 124 engine. Set includes wrist pins and circlips.
Replacement 0 - Notes: "for S&S 124 long block"""
**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.Part Number: 92-1558Manufacturer: S&SOEM Cross Reference:
Height: 5 Length: 9 Width: 5Weight: 3*All measurements are displayed in inches and pounds.