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PAC Racing 500 Series Valve Spring Retainers PAC-R524
Part Number: RSC-PAC-R524
PAC Racing 500 Series Valve Spring Retainers
Solid Stop Retainer - Heavy Duty Top for abusive Top Alcohol Engines. Dual Valve Spring Retainer. Features
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Estimated Ship Date: Oct 28, 2026 Would you rather pick it up?
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PAC Racing 500 Series Valve Spring Retainers PAC-R524-16
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Overview
Brand:
Manufacturer's Part Number:
PAC-R524
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-R524
Outside Diameter of Outer Spring (in.):
1.380 in.
Retainer Material:
Titanium
Lock Style:
10 degree
Valve Spring Style:
Standard
Retainer Style:
Standard
Number of Springs Per Valve:
Dual
Outside Diameter of Middle Spring (in.):
1.040 in.
Inside Diameter of Inner Spring (in.):
0.715 in.
Locks Included:
No
Quantity:
Sold individually.
PAC Racing 500 Series Valve Spring Retainers
PAC Racing 500 Series valve spring retainers are every bit as reliable as retainers 20 percent heavier. These retainers are produced from the finest proprietary high-tensile titanium alloy for incredible wear and strength. PAC's engineers take this material and form the ultimate lightweight retainers. They are designed for high-rpm professional racing and abusive or severe engine applications. When you're building severe engines, you need parts designed to withstand incredible heat and rpm. PAC Racing 500 Series valve spring retainers are built to take all that you can give.
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