PAC Racing Springs 300 Series 7 Degree Valve Spring Retainer - 0.880 in / 0.640 in OD Steps - 1.235 in OD Dual Spring - Chromoly - GM LS-Series (Set of 16) SFI Socks COMP Cams Magnum 280HR-10 Hydraulic

COMP Cams Magnum 280HR-10 Hydraulic Roller Camshaft for Big Block Chevy

Heavy Duty Construction For Continuous High RPM Operation

1-1/2 in Diameter

easier tire changes in dark pit areas

PAC Racing Springs 300 Series 7 Degree Valve Spring Retainer - 0.880 in / 0.640 in OD Steps - 1.235 in OD Dual Spring - Chromoly - GM LS-Series (Set of 16) SFI Socks COMP Cams Magnum 280HR-10 HydraulicProduct Description: Valve Spring Retainer 300 Series 7 Degree 0. 880 in 0. 640 in OD Steps 1. 235 in OD Dual Spring Chromoly GM LS Series 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