Prothane Spring Shackle Bushing - Multi-Leaf Springs - Rear - Black / Cadmium Plated - GM F-Body 1967-69 AA0700AG3R is recommended to ensure proper

is recommended to ensure proper installation and centering of adapter plate

392" and allow for the use of lightweight rockers

Ford/Mercury 351C

The P/N 403133 a-arm kit will work with factory springs

Prothane Spring Shackle Bushing - Multi-Leaf Springs - Rear - Black / Cadmium Plated - GM F-Body 1967-69 AA0700AG3R is recommended to ensure properIn leaf spring type suspensions there are significant forces focused on the pivot points and shackles. For this reason, it is imperative to replace the soft, blown out OEM rubber bushings with Prothane premium grade polyurethane components. All related sleeves, etc.. are precision fabricated to assure a perfect fit. Product Description: Spring Shackle Bushing Multi Leaf Springs Rear Polyurethane Steel Black Cadmium Plated GM F Body 1967 69 Prothane