PAC 1222X Dual Valve Springs

PAC 1222X-16 1200 Series GM LS-Series Dual Racing Valve Springs

$397.00 Set of 16, Free Shipping

PAC Racing Springs Model 1222X-16 (Set). PAC Racing Springs Model 1222X is a Dual Valve Spring designed for solid roller style valvetrain. GM LS Series Spring aftermarket cylinder heads with 1.280″ diameter.

  • 1200 Series Dual Spring
  • 1.280 in OD
  • 425 lbs./in. Rate
  • 1.055 in. Coil Bind Height
SKU: PAC-1222X-16 Category: Tags: , , ,
Part#PAC-1222X (Single Spring)
Alt Part#PAC-1222X-16 (Set of 16)
DescriptionDrag Race 1200 Series, RPM Series, GM LS-Series Valve Spring 1.625 Dual – 0.850 lift
Outside Diameter1.280
Outer Spring
Middle Spring
Damperno
Inner Spring
Install Height
Load at Installed Height
Spring Open Height
Spring Open Load
Recommended Valve Lift
Spring Rate (lbs/in)425
Coil Bind (max)1.055
Weight3.8 lbs
Dimensions16 × 4 × 3.5 in

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