Not compatible on CVO models with factory amplifiers installed
Smooth power curve throughout the RPM range
CNC machined from 6061-T6 aluminum
YKK® zippers
5m Piston x 18-16m adjustability (the go to setup for most riders on a 600cc bikes)
DRAG SPECIALTIES Derby Torx Bolt Kit - Big Twin MK675 Freeway Bar Not compatible on CVO modelsSocket 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 screws Complete