Swift Bulletproof Series Rear Coil Spring - 5 in OD - 16 in Length - 80 lb CNX77001-X24 4 each 3/8" NPT x

4 each 3/8" NPT x 3/8" hose barb fittings

laser etch components for durability and good looks

Gasket Ultra-Seal Collector Gaskets - 3-1/2 Inch

15-24 in Adjustable

1979-1980 GMC C3500

Swift Bulletproof Series Rear Coil Spring - 5 in OD - 16 in Length - 80 lb CNX77001-X24 4 each 3/8" NPT xProduct Description: Coil Spring Bulletproof Conventional 5 in OD 16 in Length 80 lb in Spring Rate Rear Steel Copper 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.