Comp Cams 1.625 H-11 SPRING ASSEMBLY Truck Knucks Base 1984 - 1986 Pontiac

Base 1984 - 1986 Pontiac Bonneville LE 1980 - 1997 Pontiac Firebird Base

Mounts stock springs (48") & aftermarket or up to 52" springs (see bolt diagram)

Mud Guard is spaced enough to allow dirt and mud to flow out if it does get in

If the SnailArmor Tundra Ultimate Flat Tailgate Panel is on backorder

Comp Cams 1.625 H-11 SPRING ASSEMBLY Truck Knucks Base 1984 - 1986 PontiacDual Valve Springs: 1. 625" O. D. Outer, . 769" I. D. Inner Dual Valve Springs from COMP Cams are manufactured from H11 material and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams Dual