


- USA
- Metric
S&S, cylinder base gasket kit. 4.250" big bore
Used in combination with S&S 580354/5/6/7 4.250" big bore piston kit. Stock bolt pattern. Compatible with stock to 4.250" big bore.
Fits: > 18-24 Softail; 17-24 FLT/Touring; 17-24 Trikes
Fits: >
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