This part fits the following make/models: 1967 - 1981 Chevy Camaro 1968 - 1981 Chevy Nova 1967 - 1981 Pontiac Firebird This is a T Bolt set for the Axle Spring Plate/Seat of the rear leaf springs on Camaro Firebird and Nova. They are 7/16 diameter and 1-3/4" long. It's an...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
21-339	Rear	660lbs	5

The 5 leaf is heavier than the mono-leaf set up and is not meant to be a direct replacement unless you are looking for a little more height or strength in the rear. The front bushings are preinstalled but this spring does not include the rear bushings.

This part fits the following make/models: 1967 - 1981 Camaro 1968 - 1981 Nova 1967 - 1981 Firebird This is a set of (2) Rubber Insulators for the tops (left and right sides) of the rear leaf springs at the axle on Camaro Firebird and Nova. It's an aftermarket replacement for the...

This part fits the following make/models: 1967 - 1981 Camaro 1968 - 1981 Nova 1967 - 1981 Firebird This is a BRAND NEW set of (2) Rubber Insulators with the smaller hole size (5/8") for the Bottom (left and right sides) of the rear leaf springs at the axle on Camaro Firebird...

Part Number	Location on Vehicle	Spring Capacity	Number of Leaves
21-245	Rear	575lbs	1

The front bushings are preinstalled but this spring does not include the rear Harris bushings.