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Description

12-16 Dyna FLD Switchback

656" / Dome -57cc

in a stock style finish

o-ring and thread locker

Paper gasket with copper fire ring

S&S, 88" to 97" big bore cylinder & piston kit. Black Supertrapp Universal 12-16 Dyna FLD SwitchbackDescription 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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  • Final sale items are not eligible for returns or exchanges.
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