PAC RACING SPRINGS HR Valve Spring Kits - Dual GM LS PAC-KS15

PAC RACING SPRINGS Valve Spring Kit - Dual Spring - 370 lb/in Spring Rate - 1.010 in Coil Bind - 1.290 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - Kit.