PAC 1258 Triple Valve Spring

PAC 1258-16 1200 Series Racing Triple Valve Springs

$461.90 Set of 16, Free Shipping

PAC Racing Springs Model 1258 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 .950″ lift.

  • 1200 Series Dual Spring
  • Optimized for aggressive valvetrains
  • High lift abusive applications
  • 1.645″ OD
  • .635″ ID
  • .950″ Max lift
  • 688 lbs./in. Rate
  • 1.130″ Coil Bind Height
SKU: PAC-1258-16 Category: Tags: , , ,
Part#PAC-1258
Alt Part#PAC-1258-16
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 Height2.150
Load at Installed Height350
Spring Open Height1.200
Spring Open Load1004
Max Valve Lift.950
Spring Rate (lbs/in)688
Coil Bind (max)1.130
Weight7 lbs
Dimensions16 × 4 × 3.5 in

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