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PAC 1324 Racing Valve Springs

PAC 1331-16 1300 Series Racing Valve Springs

Original price was: $597.00.Current price is: $597.00. Set of 16, Free Shipping $567.15

PAC Racing Springs Model 1331-16 is a severe duty valve spring designed for solid roller style valvetrain. Designed for most aftermarket cylinder heads with 1.514 diameter dual springs and camshafts with up to 1.00 lift. 1300 Series springs add additional surface finish features and are designed for more demanding applications than 1200 series springs.

  • 1300 Series Dual Spring
  • Nano-Polishing
  • Super-finish Polish
  • Optimized for aggressive valvetrains
  • High lift abusive applications
  • 1.514″ OD
  • .726″ ID
  • 1.00″ Max lift
  • 863 lbs./in. Rate
  • 1.150″ Coil Bind Height
SKU: PAC-1331-16 Category: Tags: , , ,
Part#PAC-1331
Alt Part#PAC-1331-16
DescriptionDrag Race 1300 Series Valve Spring 1.514 OD 2.200 1.000 inch lift
Outside Diameter1.514
Outer Spring ID1.05
Middle Spring IDN/A
DamperNo
Inner Spring ID0.726
Install Height2.2
Load at Installed Height425
Spring Open Height1.200
Spring Open Load1288
Recommended Valve Lift1.00
Spring Rate (lbs/in)863
Coil Bind (max)1.150
Weight5.6 lbs
Dimensions16 × 4 × 3.5 in

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