CHROME SOCKET-HEAD MOTOR BOLT KIT KNURLED 8080705 Power Chamber design yields 2-into-1

Power Chamber design yields 2-into-1 performance from a dual pipe appearance

Easy to install or remove for required maintenance

Stock replacement for for 971501 mechanical siren

Dyna and FXR need relocation of the oil lines and wiring

Note: Must re-use stock inner covers (MCS 921073 / 17948-99)

CHROME SOCKET-HEAD MOTOR BOLT KIT KNURLED 8080705 Power Chamber design yields 2-into-1Chrome 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