PAC RACING SPRINGS HR Valve Spring Kits - Dual GM LS PAC-KS16

PAC RACING SPRINGS Valve Spring Kit - Dual Spring - 392 lb/in Spring Rate - 1.020 in Coil Bind - 1.304 in OD - Chromoly Retainer / Locks / Viton Seal / Steel Seat - GM LS-Series - Kit.