UMI Performance 1964-1977 GM A-Body Complete Rear Control Arm Bolt Upgrade Kit Tow Ready Delivers twice the voltage to

Delivers twice the voltage to the spark plugs

3-Bolt Triangular Flange

Flood / Spot Beam

Dial in as much spark advance as conditions permit-add more advance under light load conditions to improve throttle response and fuel economy

UMI Performance 1964-1977 GM A-Body Complete Rear Control Arm Bolt Upgrade Kit Tow Ready Delivers twice the voltage toDon't reuse your old rusty bolts when installing aftermarket control arms when you can replace them with new one. Our kit includes all new hardware for installing both upper and lower rear control arms in your GM vehicle. Supplied is (8) 1 2" Grade 8 bolts, (8) 1 2" nylon lock nuts and washers. Complete kit is zinc plated and is everything you need to install that complete control arm kit! Application: 1964 1977 Chevrolet Chevelle, Monte Carlo,