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PAC Racing RPM Series Valve Springs
Valve Spring, RPM Series, Beehive, Single, 1.290 in. O.D., 384 lbs/in. Rate, 1.100 in. Coil Bind Height, Each
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Overview
Brand:
Manufacturer's Part Number:
PAC-1211X
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1211X
Valve Spring Style:
Beehive
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.625 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.290 in.
Coil Bind Height (in.):
1.100 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
384 lbs./in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold individually.
Notes:
1.055 in. o.d. and 0.650 in. i.d. at top of spring.
Make:
CHEVROLET
Engine Family:
Chevy small block Gen III/IV (LS-based engines)
Installed Height (in.):
1.800 in.
Seat Pressure at Installed Height (lbs.):
130 lbs.
Open Height (in.)(application):
1.175
Open Pressure (lbs.):
370 lbs.
Remanufactured:
No
PAC Racing RPM Series Valve Springs
PAC Racing RPM Series valve springs were developed using all of the latest advancements from Circle Track and drag racing successes. This valuable, real-life research has been applied to new designs, which allow for performance increases that exceed all demands. RPM springs are made from quality materials and are available in different diameters and pressures to suit your specific camshaft profile.
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