PAC Racing Springs 1200 Series Circle Track Single Valve Spring / Damper - 454 lb. - 1.130 in Coil Bind - 1.260 in OD (Set of 16) 500-EX-YE and the 6 Hours Watkins

and the 6 Hours Watkins Glen driving the legendary Ferrari 333 SP

1999-2000 Chevrolet L30

have all been torture-tested to 1 million cycles on our hydraulic test rig

20 AN Male to 1-1/4 in NPT Male

Clear Hear speakers and dynamic noise canceling mic for best audio performance

PAC Racing Springs 1200 Series Circle Track Single Valve Spring / Damper - 454 lb. - 1.130 in Coil Bind - 1.260 in OD (Set of 16) 500-EX-YE and the 6 Hours WatkinsProduct Description: Valve Spring 1200 Series Circle Track Single Spring Damper 454 lb in Spring Rate 1. 130 in Coil Bind 1. 260 in OD Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and