Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
PAC Racing RPM Series Valve Springs
Valve Spring, RPM Series, Beehive, Single, 1.445 in. O.D., 408 lbs/in. Rate, 1.220 in. Coil Bind Height, Each
See More Specifications
|
Check the Fit
Estimated Ship Date: Dec 11, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
PAC-1255X
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-1255X
Valve Spring Style:
Beehive
Number of Springs Per Valve:
Single
Maximum Valve Lift (in.):
0.700 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.445 in.
Coil Bind Height (in.):
1.220 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
408 lbs./in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Quantity:
Sold individually.
Notes:
1.186 in. o.d. and 0.731 in. i.d. at top of spring.
Installed Height (in.):
1.950 in.
Seat Pressure at Installed Height (lbs.):
175 lbs.
Open Height (in.)(application):
1.300
Open Pressure (lbs.):
440 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.
Applications
Loading...
Loading...
Questions & Answers
Ask a Question
What type of question would you like to submit?
I have a Customer Service question
(order, shipping, returns, protection plans, etc.). Customer Service Question
(order, shipping, returns, protection plans, etc.). Customer Service Question
- OR -
I would like to ask other customers
a question about this Product. Product Related Question
a question about this Product. Product Related Question
Loading...
Reviews Write a Review
Some parts are not legal for use in California or other states with similar laws / regulations
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Email this page
