Prothane Spring Shackle Bushing - Rear - Polyurethane - Black - GM Fullsize SUV / Truck 1967-91 42045 Fits conventional small and big

Fits conventional small and big block Chevrolet engines

Comes without brackets

Simply utilize one of three conversion kits (sold separately) to match the operating range required of your engine

HEI Street

Prothane Spring Shackle Bushing - Rear - Polyurethane - Black - GM Fullsize SUV / Truck 1967-91 42045 Fits conventional small and bigIn 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 Rear Polyurethane Black GM Fullsize SUV Truck 1967 91 Prothane was founded in 1991 and now