| Part# | PAC-1205X (Single Spring) |
| Alt Part# | PAC-1205X-16 (Set of 16) |
| Description | Drag Race 1200 Series Valve Spring 1.304 Dual – 0.700 lift |
| Outside Diameter | 1.304″ |
| Outer Spring ID | ID .950″ |
| Middle Spring | ID N/A |
| Damper | no |
| Inner Spring | ID 0.694″ |
| Install Height | 1.800″ |
| Load at Installed Height | 155 LB |
| Spring Open Height | 1.150″ |
| Spring Open Load | 410 |
| Recommended Valve Lift | 0.700″ |
| Spring Rate (lbs/in) | 392 |
| Coil Bind (max) | 1.000″ |
PAC 1205X-16 1200 Series Racing Valve Springs
$394.80 Set of 16, Free Shipping
PAC Racing Springs Model 1205X-16. PAC Racing Springs Model 1205X-16 is a severe duty valve spring designed for solid roller style valvetrain. Applications include GM Gen III/IV LS, Ford 2V and 4V Mod Motors, Ford Coyote, Big Block Chevy, Ford 5.4L GT500 & Cobra Jet, Chrysler 6.4L Gen III Hemi, GM Gen IV LS7, and Ford Godzilla 7.3L.
- 1200 Series Dual Spring
- 1.304 in OD
- 0.700″ lift
- 392 lbs./in. Rate
- 1.100 in. Coil Bind Height
- Polishing to improve operating cycles
- Nano-Peen™ proprietary surface treatment
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