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S&S, 88″ TO 100″ CONVERSION CYLINDER & PISTON KIT. BLACK
Black wrinkle painted aluminum cylinders. Fits stock 88″ models with stock 4″ stroke. Bigger is usually better when it comes to performance. This bolt-on big bore Sidewinder kit is as big as possible, without requiring additional work. No need for engine removal, splitting and boring the cases or even re-balancing the flywheels. Just swap the stock cylinders and pistons for these S&S 4″ big bore parts and you’re ready to rock with 100HP! (note). Note: S&S measured a 72.95 to 100.30 HP increase with for a stock 88″. They additionally used S&S 585 cams, Power Tune headers, slip-on mufflers, the stock EFI throttle body and a S&S Stealth air cleaner. Note: Not for use with S&S 79cc cylinder heads.
Fits: > 99-06 88″ Twin Cam (NU)