Pac Racing Springs PAC-1222X Valve Spring, RPM Series, Dual Spring, 425 lb/in Spring Rate, 1.055 in Coil Bind, 1.280 in OD, GM LS-Series, Set of 16

Pac Racing Springs PAC-1222X LS, RPM Series Valve Springs, Dual, 425 lbs/in. Rate, 1.055 in. Coil Bind, 1.280 in. O.D, Set of 16

$383.00
MSRP: $497.90
(You save $114.90 )
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SKU:
PACPAC-1222X
MPN:
PAC-1222X
Condition:
New
Weight:
3.75 LBS
Shipping:
Calculated at Checkout

Applies To Continental U.S. orders only

Out of stock

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.):
1.280 in.
Coil Bind Height (in.):
1.055 in.
Damper Spring Included:
No
Spring Rate (lbs/in.):
425 lbs./in.
I.D. of Outer Spring (in.):
0.925 in.
I.D. of Inner Spring (in.):
0.655 in.
Valve Springs Coated:
No
Maximum Valve Lift (in.):
0.700 in.
Retainers Included:
No
Retainer Material:
N/A
Locks Included:
No
Lock Material:
N/A
Valve Stem Seals Included:
No
Installed Height:
180 lbs. @ 1.800 in.
Open Height:
480 lbs. @ 1.100 in.
Quantity:
Sold as a set of 16.
Make:
Chevrolet
Engine Family:
Chevy small block Gen III/IV (LS-based engines)
Engine Sizes:
4.8L/294-7.0L/427
Years:
1997-2019

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