S&S? forged, 3-1/2" bore replacement pistons for 1984-'99 HD? 80" big twins With S&S? Super Stock Cylinder Heads. 4-1/4" stroke. 10:1 compression. Standard bore size.
- air_freight_prohibited:
- false
- not_carb_approved:
- true
- carb_acknowledgement_required:
- true
- ltl_freight_required:
- false
- prop_65:
- Unknown
- part_type:
- powersports
- epa:
- N/A
- regular_stock:
- false
