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PAC 1258 Triple Valve Spring

PAC 1247-16 1200 Series Racing Triple Valve Springs

Original price was: $461.90.Current price is: $461.90. Set of 16, Free Shipping $438.81

PAC Racing Springs Model 1247 is a High Lift Triple Drag Race Spring – great spring for Bracket Race engines. Designed for most aftermarket cylinder heads with 1.645″ diameter triple springs and camshafts with up to .800″ lift.

  • 1200 Series Dual Spring
  • Optimized for aggressive valvetrains
  • High lift abusive applications
  • 1.645″ OD
  • .635″ ID
  • .800″ Max lift
  • 682 lbs./in. Rate
  • 1.130″ Coil Bind Height
SKU: PAC-1247-16 Category: Tags: , , ,
Part#PAC-1247
Alt Part#PAC-1247-16
DescriptionDrag Race 1200 Series Valve Spring 1.645 Triple – Bracket Race
Outside Diameter1.645
Outer Spring ID1.195
Middle Spring ID.871
Inner Spring ID0.635
Install Height2.070
Load at Installed Height290
Spring Open Height1.270
Spring Open Load835
Max Valve Lift.800
Spring Rate (lbs/in)682
Coil Bind (max)1.130
Weight7 lbs
Dimensions16 × 4 × 3.5 in

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