VT#: 11-1556
S&S Replacement piston and ring set is standard size and for a 4-1/8" bore, 124" engine. Set includes wrist pins and circlips.
**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.
Replacement for S&S 124" long block