PAC Racing 500 Series Valve Spring Retainers PAC-R557

Name: PAC Racing 500 Series Valve Spring Retainers
Brand: PAC Racing Springs
SKU: RSC-PAC-R557
Price: 35.99 USD
Availability: InStock
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Part Number: RSC-PAC-R557

$35.99

PAC Racing 500 Series Valve Spring Retainers

Dual Spring 500 Series Retainer - Titanium Retainer for PAC-1341 Valve Spring. Lock angle: STD 8 degree
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PAC Racing 500 Series Valve Spring Retainers PAC-R557

RSC-PAC-R557

Not Yet Reviewed

Part Number: RSC-PAC-R557

Estimated Ship Date: Nov 9, 2026

$35.99

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Estimated Ship Date: Nov 9, 2026 Would you rather pick it up?

PAC Racing 500 Series Valve Spring Retainers PAC-R557-16

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Estimated Ship Date: Dec 31, 2026

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Overview

Brand:

PAC Racing Springs

Manufacturer's Part Number:

PAC-R557

Part Type:

Valve Spring Retainers

Product Line:

PAC Racing 500 Series Valve Spring Retainers

Summit Racing Part Number:

RSC-PAC-R557

Item Number:

3071272

Outside Diameter of Outer Spring (in.):

1.450 in.

Retainer Material:

Titanium

Lock Style:

8 degree

Valve Spring Style:

Standard

Retainer Style:

Standard

Number of Springs Per Valve:

Dual

Outside Diameter of Middle Spring (in.):

1.120 in.

Inside Diameter of Inner Spring (in.):

0.715 in.

Locks Included:

Quantity:

Sold individually.

Notes:

Dual spring retainer for PAC-1341 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.

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