Description

in a stock style finish

71-72 FX FR

5cm) pullback x 12" (30

12-16 Dyna FLD Switchback

S&S, 88" to 97" big bore cylinder & piston kit. Black Supertrapp Universal in a stock style finishDescription Black powder coated cylinders. No need to bore out the cases. With 3. 927" bore S&S feels this is the largest bore possible that can be safely used with stock bore crankcase spigots. Fits stock 4" stroke 88" Big Twin models and increases capacity to 97". 9. 7: 1 CR with stock 85cc cylinder heads, 10. 3: 1 CR with S&S 79cc heads. The forged pistons requires no flywheel re balancing and valve pockets are enlarged to acommodate oversize

Exchange/Return Notes

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