PAC Racing Springs 1300 Series Circle Track Dual Valve Spring - 670 lb. - 1.150 in Coil Bind - 1.430 in OD (Set of 16) 1419A64 Poliglycol bases

Poliglycol bases

The Howe centerlinks are better than stock with a dropped center for increased engine clearance and provisions for simple bump steer adjustment

Improves heat transfer and reduces cylinder head temperature

900" long Hi-Tech 3/8" diameter pushrod handles the requirements of today's all-out race engines

PAC Racing Springs 1300 Series Circle Track Dual Valve Spring - 670 lb. - 1.150 in Coil Bind - 1.430 in OD (Set of 16) 1419A64 Poliglycol basesProduct Description: Valve Spring 1300 Series Circle Track Dual Spring 670 lb in Spring Rate 1. 150 in Coil Bind 1. 430 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 increasing