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PAC 1223 Dual

PAC 1243-16 1200 Series Racing Dual Valve Springs

Original price was: $389.40.Current price is: $389.40. Set of 16, Free Shipping $369.93

PAC Racing Springs Model 1243 is a severe duty valve spring designed for solid roller style valvetrain. Designed for most aftermarket cylinder heads with 1.550 diameter dual springs.

  • 1200 Series Dual Spring
  • 1.55″ OD
  • .812″ ID
  • .700″ Max lift
  • 550 lbs./in. Rate
  • 1.053″ Coil Bind Height
SKU: PAC-1243-16 Category: Tags: , , ,
Part# PAC-1243
Alt Part# PAC-1243-16
Description Circle Track 1200 Series Dual Valve Spring 1.550
Outside Diameter 1.55
Outer Spring ID 1.136
Middle Spring ID N/A
Damper No
Inner Spring ID 0.812
Install Height 1.900
Load at Installed Height 240
Spring Open Height 1.200
Spring Open Load 625
Recommended Valve Lift .700
Spring Rate (lbs/in) 550
Coil Bind (max) 1.053
Weight 5.5 lbs
Dimensions 16 × 4 × 3.5 in

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