QA1 Pro-Coil Coil-Over Shock Kit Twintube Double Adjustable 919120 Thumb Screw

Thumb Screw

other pump designs cavitate and chatter because they just can't handle the extra demand

Push Button Thumb Wheel

Specifically designed for G-body

QA1 Pro-Coil Coil-Over Shock Kit Twintube Double Adjustable 919120 Thumb ScrewQA1 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