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PAC Racing 1200 Series Drag Race Valve Springs
SPRING SET
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Estimated Ship Date from OH, TX: Tomorrow Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
PAC-1231X-16
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1231X16
Valve Spring Style:
Standard
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.550 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.083 in.
Coil Bind Height (in.):
0.952 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
291 lbs./in.
Inside Diameter of Outer Spring (in.):
0.636 in./0.720 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold as a set of 16.
Make:
FORD
Beginning Year:
2005
Ending Year:
2012
Engine Size:
5.4L/330
Engine Family:
Ford modular V8
Installed Height (in.):
1.575 in.
Seat Pressure at Installed Height (lbs.):
120 lbs.
Open Height (in.)(application):
1.025
Open Pressure (lbs.):
280 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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