Pac Racing Springs PAC-1237X Valve Spring, RPM Series, Dual Spring, 550 lb/in Spring Rate, 1.045 in Coil Bind, 1.274 in OD, GM LS-Series, Set of 16

Pac Racing Springs PAC-1237X LS, RPM Series Valve Springs, Dual, 550 lbs/in. Rate, 1.045 in. Coil Bind, 1.274 in. O.D, Set of 16

$473.00
MSRP: $614.90
(You save $141.90 )
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SKU:
PACPAC-1237X
MPN:
PAC-1237X
Condition:
New
Weight:
3.80 LBS
Shipping:
Calculated at Checkout

Applies To Continental U.S. orders only

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RPM Series this is Performance with an Attitude
Features
  • PACALOY Supiir Clean Wire to Ensure Satisfaction
  • In House Heat Treating for the BestIn Rate and Strength Benefits
  • MultiPeen Process to Optimize Service life
  • Polishing to Improve Operating Cycles
  • Nano-Peen M Propr etary Surface Treatment
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
O.D. Outer Spring (in.):
1.274 in.
Coil Bind Height (in.):
1.045 in.
Damper Spring Included:
No
Spring Rate (lbs/in.):
550 lbs./in.
I.D. of Outer Spring (in.):
N/A
I.D. of Inner Spring (in.):
0.630 in.
Valve Springs Coated:
N/A
Maximum Valve Lift (in.):
0.700 in.
Retainers Included:
N/A
Retainer Material:
N/A
Locks Included:
N/A
Lock Material:
N/A
Valve Stem Seals Included:
N/A
Installed Height:
200 lbs. @ 1.800 in.
Open Height:
585 lbs. @ 1.100 in.
Quantity:
Sold as a set of 16.

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