Product information "74 FL-FLH Piston Set Standard"
11-9725 - 74 FL-FLH Piston Set Standard
Wiseco piston set is standard 3-7/16 bore. Pistons have a compression ratio of 9:1 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.