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S&S Cycle
S&S Cycle 66-84 BT 3-1/2in Bore 5.330in Cylinder Set
SKU: S0GE 91-9021
Moderate — 2–4 hours
Description
Part #: 91-9021
This 3-1/2" bore gloss black cylinder set is for 1966-'84 80" big twins and stock bore strokers. They are 5.330" in length and are made from high strength engineering-grade grey cast iron. They offer excellent wear resistance and a durable powdercoat finish.
80"
MIA's Description
Fitment
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Specifications
| Brand | S&S Cycle |
| Part Number | S0GE 91-9021 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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