Our Signature Motor Series Now Available for Booking As the Old Saying Goes No Better Replacement than Displacement and our high output kits never disappoint 150hp or better No Dreams Just Math
124-128ci High Output Highway Bully Package
131-136ci High Output Highway "Big Bully" Package
143ci+ High Output Highway Really Big Bully Package
Gap Gang Big Bully Package 136ci Top End Bolt On Kit With 70mm TB And Manifold S And S Injectors Cam Of Choice 170HP
Gap Gang Highway Bully 128ci Top End Only Package For Road Reliability And Track Readiness
143Ci Gap Gang Really Big Bully Package Full Build Only For Serious Riders With Up To 180Hp
136ci Gap Gang Performance Big Bully Package Full Build for M8 Harley Davidson High Torque Power Upgrade
124 To 128 Ci Highway Bully Package Gen 1 Or Gen 2 Full Build For 91 Octane Street Bikes
Take a look behind the scenes of our latest product launch.
