Quick Set Adj. Sec. Housing 1993-pontiac-firebird-esi6766158 s BK061 Differential Busing Kit

s BK061 Differential Busing Kit is available in red with zinc-coated hardware

This Crossmember-Back American Thunder system is custom designed for high horsepower and large cubic inch engines in 1967-1969 Chevrolet Camaro and Pontiac Firebirds with a V8 engine

Notes: Fits convertibles by spacing down the factory convertible body brace by approximately

BMRs AA011 Lower A-arms eliminate A-arm deflection

Quick Set Adj. Sec. Housing 1993-pontiac-firebird-esi6766158 s BK061 Differential Busing KitRevolutionary design features a Billet aluminum cover with integrated adjustment screw. Simply turn the screw to change the rate of opening no longer are you required to change the spring or take apart the housing.