Pac Racing Springs ~ 1500 Series Circle Track Endurance Duals

Part#	Name	Outside Diameter	Install Height	Load at Installed Height	Recommended Valve Lift
PAC-1529	PAC-1529 Circle Track Dual	1.284	1.9	180	0.75
PAC-1530	PAC-1530 Circle Track Dual	1.284	2	160	0.75
PAC-1541	PAC-1541 Circle Track Dual	1.51	2.03	240	0.78
PAC-1561	PAC-1561 Circle Track Dual	1.514	2	250	0.8
PAC-1574	PAC-1574 Circle Track Dual	1.51	1.98	180	0.8
PAC-1590	PAC-1590 Circle Track Dual	1.474	2.05	250	0.8