QA1 Pro-Coil Coil-Over Shock Kit Twintube Double Adjustable Drain Pan System is designed for use

System is designed for use with most point-type coils

Harmonic Balancer

Use the slide collar for a quick dump of air or use the bleed valve to drain your tires to pre-set

hole for use on regular size 2" body shocks

QA1 Pro-Coil Coil-Over Shock Kit Twintube Double Adjustable Drain Pan System is designed for useQA1 offers bolt in Rear Coil Over Conversion Kits for 1964 1972 GM A body vehicles. These kits include specially designed USA made mounting brackets and single or double adjustable aluminum shocks, high travel springs and all necessary hardware. Single adjustable shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double adjustable shocks provide 18 positions of compression adjustment and 18 positions of rebound