Swift Barrel Coil-Over Spring - 2.5 in ID - 7 in Length - 400 lb DNA02401 and produce maximum horsepower and

and produce maximum horsepower and torque

These hardened steel balls are inserted into the stud holes before the cover studs are threaded in to keep the studs from galling the housing and help disperse any stress created when installing the cover studs

dyno tested for pressure and flow volume

GM 1973-88 Midsize

1978-1979 Pontiac LeMans Safari CID 231 Naturally Aspirated GASVehicle Applications: 1978-1987 Buick Regal CID 231 Naturally Aspirated GAS

Swift Barrel Coil-Over Spring - 2.5 in ID - 7 in Length - 400 lb DNA02401 and produce maximum horsepower andProduct Description: Coil Spring Coil Over Barrel 2. 5 in ID 7 in Length 400 lb in Spring Rate Steel Black Powder Coat Swift Springs was founded in 1997 in Tokyo Japan as a motor sports division of Tokyo Hatsujo Manufacturing Co, Ltd. that has been leading the spring industry since 1924. The purpose was to demonstrate Swift Springs superior engineering in spring by developing the next generation of motor sports suspension coil springs. Swift Springs