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PAC Racing 1200 Series Drag Race Valve Springs
Valve Springs, 1200 Series Drag Race, Beehive, Single, 0.551 in. Maximum Valve Lift, 245 lbs./in. Rate, Ford, 5.0L Modular V8, 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-1281X-16
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1281X-16
Valve Spring Style:
Beehive
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.551 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.031 in./0.849 in.
Coil Bind Height (in.):
1.208 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
245 lbs./in.
Inside Diameter of Outer Spring (in.):
0.527 in./0.709 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold as a set of 16.
Make:
FORD
Beginning Year:
2011
Ending Year:
2021
Engine Size:
5.0L/302
Engine Family:
Ford modular V8
Installed Height (in.):
1.811 in.
Seat Pressure at Installed Height (lbs.):
80 lbs.
Open Height (in.)(application):
1.260
Open Pressure (lbs.):
215 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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