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PAC Racing Specialty & Class Specific Valve Springs PAC-1280X
Part Number: RSC-PAC-1280X
PAC Racing Specialty & Class Specific Valve Springs
Valve Springs, RPM Series, Beehive, Single, 1.282 in./1.077 O.D., 286 lbs./in. Rate, 1.181 in. Coil Bind Height, Each
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
PAC-1280X
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1280X
Valve Spring Style:
Beehive
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.500 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.282 in./1.077 in.
Coil Bind Height (in.):
1.181 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
386 lbs./in.
Inside Diameter of Outer Spring (in.):
0.655 in./0.860 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
Yes
Quantity:
Sold individually.
Notes:
604 crate motor blue ovate wire spring.
Make:
CHEVROLET
Engine Family:
Chevy small block Gen I
Installed Height (in.):
1.800 in.
Seat Pressure at Installed Height (lbs.):
92 lbs.
Open Height (in.)(application):
1.300
Open Pressure (lbs.):
285 lbs.
Remanufactured:
No
Application Notes:
604 crate motor blue ovate wire spring.
PAC Racing Specialty & Class Specific Valve Springs
PAC Racing specialty and class specific valve springs are perfect for getting the final parts of your valvetrain dialed in and ready to run. Each valve spring is manufactured from the highest quality materials and precision-machined for an ideal fit on each application. They're available in intake drag and exhaust drag models. Order the style and specs preferred for your application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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