with Dyno-tuned velocity stack
Machine Wash
for most 10mm threaded spark plugs
Note: Does not include primary gaskets
Fork Lowering KitsKits utilize Progressive Suspension's experience and knowledge to provide exact model applications
CHROME SOCKET-HEAD PRIMARY/CAM COVER BOLT KIT SMOOTH 904196 with Dyno-tuned velocity stackChrome Bolt SetSocket head bolt sets to meet virtually any custom need Complete motor sets for 07 and later Big Twin include bolts for primary, cam, cam sensor, derby, rocker box, transmission top, transmission side, lifter block and clutch covers Complete motor sets for 87 94 Big Twin include bolts for cam, primary, point, clutch, inspection and chain covers, lifter base, inner primary, top front and rear motor mounts, timing plug and header mount