Pac Racing Springs PAC-1212X Valve Spring, RPM Series, Single Spring, 380 lb/in Spring Rate, 1.180 in Coil Bind, 1.355 in OD, Small Block Chevy, Set of 16

Pac Racing Springs PAC-1212X SB Chevy, RPM Series Valve Springs, Single, 380 lbs/in. Rate, 1.180 in. Coil Bind, 1.355 in. O.D, Set of 16

$212.00
MSRP: $275.60
(You save $63.60 )
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SKU:
PACPAC-1212X
MPN:
PAC-1212X
Condition:
New
Weight:
3.71 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:
Single
O.D. Outer Spring (in.):
1.355 in.
Coil Bind Height (in.):
1.180 in.
Damper Spring Included:
No
Spring Rate (lbs/in.):
380 lbs./in.
I.D. of Outer Spring (in.):
0.910 in.
I.D. of Inner Spring (in.):
N/A
Valve Springs Coated:
No
Maximum Valve Lift (in.):
0.550 in.
Retainers Included:
No
Retainer Material:
N/A
Locks Included:
No
Lock Material:
N/A
Valve Stem Seals Included:
No
Installed Height:
125 lbs. @ 1.750 in.
Open Height:
315 lbs. @ 1.250 in.
Quantity:
Sold as a set of 16.
Notes:
604 crate motor cheater"" spring. Meets specs with more RPM and endurance."
Make:
Chevrolet
Engine Family:
Chevy small block Gen I
Engine Sizes:
4.3L/262-6.6L/400
Years:
1955-2002

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