Harley Davidson 1941-77' S&S 74" FL, FX Forged Piston Set .060 Oversize

S&S forged .060 piston set for stroker flywheels.
S&S stroker forged .060 piston set is machined to fit both 4-3/4" & 4-5/8" stroker flywheels. Piston set includes rings, wrist pins and retainers. When used with 4-3/4" stroke, compression will be 8.25:1 with 4-3/4" stroke compression will be 9:1.

**Note: Remember that an 80" 3-1/2" standard bore equals 3-7/16" +.060 bore size.

**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.