These 3-7/16" +.040" bore, standard compression stroker pistons are part of an S&S stock bore stroker kit for 1936-'84 HD? big twins, and are designed to be used in conjunction with S&S? stroker flywheels. Flywheels of the following strokes may be used for the following displacements: 4-1/2" stroke - 84" @ 8.4:1 compression, 4-5/8" stroke - 86" @ 9.4:1 compression, 4-3/4" stroke - 88" @10.8:1 compression.
- 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
