Pac Racing Springs PAC-1220X Valve Spring, RPM Series, Beehive Spring, 370 lb/in Spring Rate, 1.210 in Coil Bind, 1.445 in OD, Set of 16

Pac Racing Springs PAC-1220X-16 Valve Spring, RPM Series, Beehive Spring, 370 lbs/in. Spring Rate, 1.210 in. Coil Bind, 1.000 in./1.445 in. OD, Set of 16

$305.47
MSRP: $383.50
(You save $78.03 )
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SKU:
PACPAC-1220X-16
MPN:
PAC-1220X-16
Condition:
New
Weight:
3.60 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:
Beehive
Number of Springs Per Valve:
Single
O.D. Outer Spring (in.):
1.445 in.
Coil Bind Height (in.):
1.210 in.
Damper Spring Included:
No
Spring Rate (lbs/in.):
370 lbs./in.
I.D. of Outer Spring (in.):
N/A
I.D. of Inner Spring (in.):
N/A
Valve Springs Coated:
No
Maximum Valve Lift (in.):
0.650 in.
Retainers Included:
No
Retainer Material:
N/A
Locks Included:
No
Lock Material:
N/A
Valve Stem Seals Included:
No
Installed Height:
160 lbs. @ 1.900 in.
Open Height:
400 lbs. @ 1.250 in.
Quantity:
Sold as a set of 16.
Notes:
1.095 in. o.d. and 0.650 in. i.d. at top of spring.
Make:
Chevrolet
Engine Family:
Chevy big block Mark IV
Engine Sizes:
6.5L/396-7.4L/454
Years:
1965-1991

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