This 3-5/8" big bore kit may be used to replace the cylinders and pistons of an S&S SH98 engine or a stock HD? shovelhead engine that has been upgraded with an S&S 98" Sidewindert? kit. Stock crankcases must be bored to accomodate the 3-5/8" bore cylinders. The kit includes S&S 3-5/8" bore cylinders, 3-5/8" bore forged pistons with rings and wristpins, head gaskets, base gaskets, exhaust gaskets, and instructions. Compression is 8.9 :1. The cylinders are longer then stock , so longer pushrods, and manifold must be used.
- 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