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PAC Racing Springs
Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional methods. Tapered wire has several advantages to the true chassis engineer and extreme racer looking for the next level of performance.

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Items 26-50 of 55
Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.125 in / 0.800 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R536
Condition: New
Limited Supply: Only 0 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

Description: Valve Spring Retainer, 400 Series, 10 Degree, 1.090 in / 0.780 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R405
Condition: New
Limited Supply: Only 9 Left!
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Price: $317.00
Sale: $295.00
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Description: Valve Spring Retainer, 600 Series, 10 Degree, 1.110 in / 0.710 in OD Steps, Dual Spring, Steel, Set of 16
Item #: PACPAC-R615
Condition: New
Limited Supply: Only 2 Left!
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Price: $416.00
Sale: $395.00
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Description: Valve Spring Retainer, 300 Series, 10 Degree, 1.110 in / 0.710 in OD Steps, Dual Spring, Chromoly, Set of 16
Item #: PACPAC-R315
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $93.00
Sale: $88.00
Save: 5%
Save: $5.00
Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.110 in / 0.710 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R515
Condition: New
Limited Supply: Only 1 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

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Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.140 in / 0.735 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R514
Condition: New
Limited Supply: Only 1 Left!
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Price: $502.00
Sale: $460.00
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Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.165 in / 0.840 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R504
Condition: New
Limited Supply: Only 4 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

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Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.185 in / 0.865 in / 0.635 in OD Steps, Triple Spring, Titanium, Set of 16
Item #: PACPAC-R501
Condition: New
Limited Supply: Only 3 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

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Description: Valve Spring Retainer, 400 Series, 10 Degree, 1.185 in / 0.865 in / 0.635 in OD Steps, Triple Spring, Titanium, Set of 16
Item #: PACPAC-R401
Condition: New
Limited Supply: Only 8 Left!
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Price: $317.00
Sale: $295.00
Save: 7%
Save: $22.00

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Description: Valve Spring Retainer, 400 Series, 10 Degree, 1.165 in / 0.840 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R404
Condition: New
Limited Supply: Only 6 Left!
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Price: $317.00
Sale: $295.00
Save: 7%
Save: $22.00

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Description: Valve Spring Retainer, 400 Series, Mini 8 Degree, 0.890 in / 0.600 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R432
Condition: New
Limited Supply: Only 2 Left!
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Price: $317.00
Sale: $295.00
Save: 7%
Save: $22.00

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Description: Valve Spring Retainer, 400 Series, Mini 8 Degree, 0.940 in / 0.685 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R450
Condition: New
Limited Supply: Only 5 Left!
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Price: $317.00
Sale: $295.00
Save: 7%
Save: $22.00

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Description: Valve Spring Retainer, 500 Series, 8 Degree, 1.040 in / 0.715 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R509
Condition: New
Limited Supply: Only 6 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

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Description: Valve Spring Retainer, 500 Series, 8 Degree, 1.080 in / 0.770 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R540
Condition: New
Limited Supply: Only 0 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

Description: Valve Spring Retainer, 500 Series, 8 Degree, 1.090 in / 0.695 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R541
Condition: New
Limited Supply: Only 1 Left!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

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Description: Valve Spring Retainer, 500 Series, Mini 8 Degree, 0.890 in / 0.600 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R532
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
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Price: $502.00
Sale: $460.00
Save: 8%
Save: $42.00

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Description: Valve Spring Retainer, 600 Series, 8 Degree, 1.140 in / 0.735 in OD Steps, Dual Spring, Steel, Set of 16
Item #: PACPAC-R619
Condition: New
Limited Supply: Only 0 Left!
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Price: $416.00
Sale: $395.00
Save: 5%
Save: $21.00

Description: Valve Spring Retainer, 600 Series, Mini 8 Degree, 0.640 in OD Step, Beehive Spring, Steel, Set of 16
Item #: PACPAC-R643
Condition: New
Limited Supply: Only 3 Left!
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Price: $363.00
Sale: $345.00
Save: 5%
Save: $18.00

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Description: Valve Spring Retainer, 300 Series, 7 Degree, 0.920 in / 0.650 in OD Steps, 1.280 in Dual Spring, Chromoly, GM LS-Series, Set of 16
Item #: PACPAC-R355
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $93.00
Sale: $88.00
Save: 5%
Save: $5.00
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Description: Valve Spring Retainer, 300 Series, 8 Degree, 0.775 in OD Step, Single Spring, Chromoly, Set of 16
Item #: PACPAC-R349
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $93.00
Sale: $88.00
Save: 5%
Save: $5.00
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Description: Valve Spring Retainer, 300 Series, 7 Degree, 0.640 in OD Step, Beehive Spring, Chromoly, Ford Modular, Set of 16
Item #: PACPAC-R362
Condition: New
Limited Supply: Only 1 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $93.00
Sale: $88.00
Save: 5%
Save: $5.00
Qty:

Description: Valve Spring Retainer, 300 Series, 7 Degree, 0.640 in OD Step, Beehive Spring, Chromoly, Set of 16
Item #: PACPAC-R363
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $93.00
Sale: $88.00
Save: 5%
Save: $5.00
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Description: Valve Spring Retainer, 400 Series, 7 Degree, 0.920 in / 0.650 in OD Steps, Dual Spring, Titanium, GM LS-Series, Set of 16
Item #: PACPAC-R455
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $317.00
Sale: $295.00
Save: 7%
Save: $22.00

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Description: Valve Spring Retainer, 400 Series, 10 Degree, 1.040 in / 0.715 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R408
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $317.00
Sale: $295.00
Save: 7%
Save: $22.00

Qty:

Description: Valve Spring Retainer, 600 Series, 8 Degree, 1.090 in / 0.695 in OD Steps, Dual Spring, Steel, Set of 16
Item #: PACPAC-R641
Condition: New
Limited Supply: Only 2 Left!
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $416.00
Sale: $395.00
Save: 5%
Save: $21.00

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Items 26-50 of 55

More About PAC Racing Springs

Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional methods. Tapered wire has several advantages to the true chassis engineer and extreme racer looking for the next level of performance.

PAC Racing Springs pioneered high travel suspension springs when post race tech began disqualifying winning cars from too low of ride height, a result from spring sag and poor designs. We answered the demand using cutting edge materials and processing, thus reducing cost over expensive and ineffective aerospace alloys typically used. This innovative method provides superior spring construction and performance reducing cost drastically over competition. PAC Racing is capable of using our in house Servo Hydraulic single post MTS to duplicate the rigors of racing, every bump, every turn, which allows improvement to the design continuously.

Technology

The Primary focus of the Peterson Spring group is Automotive and Industrial applications, these interactions increase technical advancements for PAC Racing Spring products. We can offer enhanced technology through engineering resources and expanded experience from all of our power-train engineers. Additionally with nearly 100 years of manufacturing experience we continually improve our products to exceed demanding expectations.

Testing

Because of the extreme demands of racing, we routinely test all of our components using advanced testing technology. We have a fully accredited metallurgy lab with dedicated staff and equipment such as: SEM with EDAX, Xray Diffraction, Micro Hardness, Impact Testing, and MTS Tensile Test machine. Additionally, we are able to test functionality and fatigue properties in our Dyanamics Laboratory, which includes a single post MTS Servo Hydraulic test machine, various bench type equipment, and our High Tech Engine test lab. Whatever your application we strive to bring confidence that our products meet and exceed designed parameters.

PAC Racing Springs, based in Detroit, MI, is the Racing and Aftermarket Division of the Peterson Spring Company. With more than 10 divisions around the world, Peterson Spring is the largest privately held, family owned Spring Company in the USA. With nearly 100 years of operation, Peterson Spring proudly manufactures all the Racing and Aftermarket components in Detroit, Michigan.