EMD PRIMARY COVER BILLY BOY BLACK - 89-06 Softail with forward controls (NU) 548106 Note: The difference between single

Note: The difference between single dual fire explained: - Dual fire - This is the way the earlier

Requires use of the OEM upper tubes

Designed to increase low-end torque and produce a deep

All day cruising comfort

EMD PRIMARY COVER BILLY BOY BLACK - 89-06 Softail with forward controls (NU) 548106 Note: The difference between singleBlack cast aluminum primary cover, directly influenced by the early tin diamond primary covers, as used by Captain America & Billy in the 1969 Easy Riders motion picture, hence the name Billy Boy. The perfect match for your trip back in time. Re use stock mounting hardware. Gaskets must be ordered separately. Note: A large diameter starter shaft bushing, for 89 93 models, is pre installed. For 94 06 models the small diameter starter shaft bushing