QA1 Twintube Double Adjustable Rear Coil-Over Shock Kit - 150 lb/in Spring Rate - GM A-Body/G-Body 1964-72 (Pair) 2010172 These 220cc aluminum cyilnder heads

These 220cc aluminum cyilnder heads are available in either standard port or spread port exhaust configurations

Staggered Mount

440" Spring Seat Cutter from COMP Cams will allow the engine builder to machine the cylinder head to the proper size for your spring

Legend Car Adapter

QA1 Twintube Double Adjustable Rear Coil-Over Shock Kit - 150 lb/in Spring Rate - GM A-Body/G-Body 1964-72 (Pair) 2010172 These 220cc aluminum cyilnder headsQA1 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