The next generation 1300 series springs are premium processed with Nano-Peen spring technology for enhanced durability and exotic heat treetment for minimal load loss. Smaller diameters for minimal weight for increased valvetrain stability and high RPM's.
Dual Drag Racing Spring.
OD: 1.500"
375 lbs @ 2.150"
1116 lbs @ 1.200"
Max Lift: 0.950"
Use PAC-R508 or PAC-R509 retainers. |
