PAC-1224 Valve Spring

PAC 1228-16 1200 Series Racing Valve Springs

$389.90 Set of 16, Free Shipping

PAC Racing Springs Model 1228-16 is a severe duty valve spring designed for solid roller style valvetrain. Designed for most aftermarket cylinder heads with 1.625 diameter dual springs and camshafts with up to .900 lift.

  • 1200 Series Dual Spring
  • 1.625″ OD
  • .851″ ID
  • 0.900 Max lift
  • 629 lbs./in. Rate
  • 1.100″ Coil Bind Height
SKU: PAC-1228-16 Category: Tags: , , ,
Part#PAC-1228 (Single PN)
Alt Part#PAC-1228-16 (Set of 16)
DescriptionDrag Race 1200 Series Valve Spring 1.625 – 0.900 lift
Outside Diameter1.625
Outer Spring ID1.175
Middle Spring IDN/A
DamperNo
Inner Spring ID0.851
Install Height2.100
Load at Installed Height280
Spring Open Height1.150
Spring Open Load847
Recommended Valve Lift0.900
Spring Rate (lbs/in)629
Coil Bind (max)1.100
Weight5.9 lbs
Dimensions16 × 4 × 3.5 in

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