These forged 3-1/2" bore stroker pistons for 1984-'99 HD® Evolution® big twin engines are required for the S&S 89" stock bore stroker kits, which include S&S 4-5/8" stroke flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads. Low silicon forged material and advanced S&S piston skirt design result in high strengh and low noise. 3-1/2" +.020" bore.

S&S Cycle 84-99 BT 3-1/2in .030in Bore Forged Stroker Piston Kit - 106-5793
S&S Cycle
$475.82
- SKU:
- SSC106-5793
- UPC:
- 106-5793
- Availability:
- Regularly stocked product
- Shipping:
- Calculated at Checkout