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PAC Racing 1200 Series Drag Race Valve Springs
Valve Springs, 1200 Series Drag Race, Triple, 1.645 in. O.D., 687 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
PAC-1248-16
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1248-16
Valve Spring Style:
Standard
Number of Springs Per Valve:
Triple
Maximum Valve Lift (in.):
0.900 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.645 in.
Coil Bind Height (in.):
1.130 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
687 lbs./in.
Inside Diameter of Outer Spring (in.):
1.195 in.
Inside Diameter of Inner Spring (in.):
0.635 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold as a set of 16.
Installed Height (in.):
2.100 in.
Seat Pressure at Installed Height (lbs.):
332 lbs.
Open Height (in.)(application):
1.200
Open Pressure (lbs.):
950 lbs.
Remanufactured:
No
PAC Racing 1200 Series Drag Race Valve Springs
PAC Racing 1200 Series drag race valve springs are great for allowing you to get the most performance out of your engine. Select them when you're upgrading camshafts or doing engine rebuilds. The 1200 Series use a premium alloy that outperforms automotive industry standards; and PAC Racing processes the alloy to aerospace shot-peening standards to achieve superior fatigue dependability. This ensures that the springs maintain the load needed to perform during the most demanding times.
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