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PAC Racing 1300 Series Drag Race Valve Springs PAC-1331-16
Part Number: RSC-PAC-1331-16
PAC Racing 1300 Series Drag Race Valve Springs
1.514 OD 2.200 1.000 inch lift Dual Spring
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
PAC-1331-16
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1331-16
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Maximum Valve Lift (in.):
1.000 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.514 in.
Coil Bind Height (in.):
1.160 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
863 lbs./in.
Inside Diameter of Outer Spring (in.):
1.050 in.
Inside Diameter of Inner Spring (in.):
0.726 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Remanufactured:
No
Quantity:
Sold as a set of 16.
Notes:
High rate for aggressive valvetrains and RPM.
Installed Height (in.):
2.200 in.
Seat Pressure at Installed Height (lbs.):
425 lbs.
Open Height (in.)(application):
1.200
Open Pressure (lbs.):
1,288 lbs.
PAC Racing 1300 Series Drag Race Valve Springs
PAC Racing 1300 Series drag race valve springs are designed for engines that can withstand the most demanding performance. They incorporate the latest in heat-treating technology and innovative, dynamic surface-enhancement processes. PAC Racing offers 1300 Series in dual and triple versions.
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