UMI Performance 1" Lowering Suspension Spring Kit 2 Springs BlackGM A-Body 1964-72 - Kit 56 Rock Lock- Holds All 4

Rock Lock- Holds All 4 Wheels With Brakes For Crawling

100 in Bore

This is a very economical solution for your customers that are looking for an improved braking system along with the added safety of a dual chamber master cylinder

Block Plate

Features:Simple and clean installation with only three wires to connectMechanical advance assembly can be locked out for crank trigger systemsSupplied with a HEI style distributor cap and rotor (accepts Cap-A-Dapts)CARB E

UMI Performance 1" Lowering Suspension Spring Kit 2 Springs BlackGM A-Body 1964-72 - Kit 56 Rock Lock- Holds All 4As an industry leader in the muscle car suspension industry, UMI is proud to bring you the best spring in the business. Consistent rates and only the best materials (premium Chrome Silicon wire) ensure your cars sits properly for years to come. Linear spring rates (530 lb in front, 130 lb in rear) provides a firm yet comfortable ride and incredible handling. No more floating feeling. Suitable for Pro Tour, Auto x and general cruising. Vehicle