Description
These forged 3-7/8″ bore stroker pistons for 1999-’16 HD® big twin are required for the S&S 106″ stock bore stroker kit with 4-1/2″ stroke flywheels. They are compatible with stock or S&S® Super Stock® cylinder heads. Stock 88″ cylinders may be bored to fit these pistons, or S&S has replacement cylinders available. Standard bore.
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 1999-2028 | Harley-Davidson | — | Big Twin |









