OEM 42374-82B

Not certified for passenger use

90-93 FLTC

Fits: > L33-65 all H-D (excl

Bypass Connector for Aftermarket Exhaust Sytems

S&S, 96"/103" TO 110" CONVERSION CYLINDER & PISTON KIT Vevparti & bottendel 99-upp OEM 42374-82BDescription Silver finished cylinders. 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). 4" bore for stock 4 3 8" stroke. 10. 5: 1CR with