PAC Racing 500 Series Valve Spring Retainers PAC-R508

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Part Number: RSC-PAC-R508

$35.75

Valve Spring Retainer, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Each
See More Specifications | Check the Fit

PAC Racing 500 Series Valve Spring Retainers PAC-R508

PAC Racing 500 Series Valve Spring Retainers PAC-R508

RSC-PAC-R508

Not Yet Reviewed

Part Number: RSC-PAC-R508

Estimated Ship Date: Oct 26, 2026

$35.75

Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?

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PAC Racing 500 Series Valve Spring Retainers PAC-R509

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Overview

Brand:
Manufacturer's Part Number:
PAC-R508
Part Type:
Product Line:
Summit Racing Part Number:
RSC-PAC-R508
Outside Diameter of Outer Spring (in.):
1.365 in.
Retainer Material:
Titanium
Lock Style:
10 degree
Valve Spring Style:
Standard
Retainer Style:
Standard
Number of Springs Per Valve:
Dual
Inside Diameter of Inner Spring (in.):
0.715 in.
Locks Included:
No
Quantity:
Sold individually.
Notes:
Fits 1.050 in. I.D. dual springs.

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.

Applications

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