Swift Rear Coil Spring - 5 in OD - 12 in Length - 275 lb JOE16551 Coarse thread bolts have 1"-8

Coarse thread bolts have 1"-8 outer threads while fine thread bolts are 1-1/8"-12

1970-1984 Chevrolet K10 Suburban

Latch Style

Chevrolet: C3500 99 - 04 5

Swift Rear Coil Spring - 5 in OD - 12 in Length - 275 lb JOE16551 Coarse thread bolts have 1"-8Product Description: Coil Spring Conventional 5 in OD 12 in Length 275 lb in Spring Rate 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 had to have