1333 Dual Valve Spring

PAC 1333-16 1300 Series Dual Racing Valve Springs

$597.00 Set of 16, Free Shipping

PAC Racing Springs Model 1333-16 is a severe duty valve spring designed for solid roller style valvetrain. Designed for most aftermarket cylinder heads with 1.274″ diameter dual springs and camshafts with up to .750 lift. 1300 Series springs add additional surface finish features and are designed for more demanding applications than 1200 series springs.

  • 1300 Series Dual Spring
  • LS Solid Roller Applications
  • Nano-Polishing
  • Super-finish Polish
  • Optimized for aggressive valvetrains
  • High lift abusive applications
  • 1.274″ OD
  • .616″ ID
  • 0.750 Max lift
  • 673 lbs./in. Rate
  • .971″ Coil Bind Height
SKU: PAC-1333-16 Category: Tags: , , ,
Part#PAC-1333
Alt Part#PAC-1333-16
DescriptionDrag Race 1300 Series Valve Spring 1.274 OD LS Solid Roller
Outside Diameter1.274
Outer Spring ID.900
Middle Spring IDN/A
DamperNo
Inner Spring ID0.616
Install Height1.800
Load at Installed Height245
Spring Open Height1.050
Spring Open Load750
Recommended Valve Lift0.750
Spring Rate (lbs/in)673
Coil Bind (max).971
Weight5.4 lbs
Dimensions16 × 4 × 3.5 in

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