ZIPPERS PERFORMANCE TWIN CAM MUSCLE 117" KITS HARLEY MODELS 07-17 HARD total of +/- 10° rear

total of +/- 10° rear cylinder offset

CHOOSE FROM BLACK OR CHROME FINISH

more progressive engagement

two available combustion chamber sizes are un-shrouded and CNC machined for accuracy in volume

Will also work on many Rigid

ZIPPERS PERFORMANCE TWIN CAM MUSCLE 117" KITS HARLEY MODELS 07-17 HARD total of +/- 10° rearZIPPERS PERFORMANCE TWIN CAM MUSCLE 117" KITS HARLEY MODELS 07 17 EXCHANGE KITS CORES REQUIRED Zippers Muscle 117 Kit for Twin Cam 96 103 engines increases displacement with new 4 1 8 bore cylinders while retaining the factory 4 3 8 stroke. New cylinders are stress relived before being fitted with 10. 6: 1 forged pistons using the latest Sunnen equipment, while your heads receive Zippers high breathing Stage III treatment with CNC porting, new guides,