PAC 1300 Series Dual Drag Race Valve Springs
Experience the power of PAC 1300 Series Dual Drag Race Valve Springs, designed with a higher rate for maximum performance. With advanced heat treating and alloy advancements, these springs are lighter and more durable. The precision engineering of the outer spring interacting with the inner spring ensures longevity and consistency. A smaller, lighter retainer and specially formulated spring steel deliver increased horsepower and extreme engine RPM capability. Elevate your drag racing experience with the advantages of the 1300 series dual valve springs.
Part Number: PAC-1312-16
Type
Dual
Series
PREMIUM
Outside Diameter Outer
1.106 in
Inside Diameter Outer
0.810 in
Inside Diameter Middle
NA in
Inside Diameter Inner
0.574 in
Installed Height
1.550 in
Installed Load
110 lb
Open Height
1.000 in
Open Load
330 in
Spring Rate
400 lb/in
Max Bind
0.850 in
Max Lift
0.550 in
Quantity: Set of 16
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