PAC Triple Racing Valve Springs

PAC 1347-16 1300 Series Racing Triple Valve Springs

$560.00 Set of 16, Free Shipping

PAC Racing Springs Model 1347-16 is a High Lift Triple Drag Race Spring – great spring for bracket racing engines. Designed for most aftermarket cylinder heads with 1.645″ diameter triple springs and camshafts with up to .800″ 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
  • 1.645″ OD
  • .635″ ID
  • .800″ Max lift
  • 682 lbs./in. Rate
  • 1.130″ Coil Bind Height
SKU: PAC-1347-16 Category: Tags: , , ,
Part#PAC-1347
Alt Part#PAC-1347-16
DescriptionDrag Race 1300 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
Weight6.8 lbs
Dimensions16 × 4 × 3.5 in

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