Manley Dual Valve Spring Kit - 379 lb./in Spring Rate - 1.100" Coil Bind - 1.295" OD - Steel - Retainer - GM LS-Series Rear End Cooler Rigid Race

Rigid Race

Zamp’s FIA 8853-2016 certified 6-point Seat Harnesses featuring 2" adjustable (pull-down) polyester belts

1968-1970 Pontiac Tempest

Mandrel bent 16 Gauge Tubing

Manley Dual Valve Spring Kit - 379 lb./in Spring Rate - 1.100" Coil Bind - 1.295" OD - Steel - Retainer - GM LS-Series Rear End Cooler Rigid RaceProduct Description: Valve Spring Kit Dual Spring 379 lb in Spring Rate 1. 100 in Coil Bind 1. 295 in OD Chromoly Retainer GM LS Series Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University,