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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 251-269 of 269
Description: Valve Lock, Mini 8 Degree, 11/32 in Valve Stem, Standard Height, Steel, Black Oxide, Set of 32
Item #: PACPAC-L8133
Condition: New
Limited Supply: Only 6 Left!
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Price: $93.00
Sale: $88.00
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Description: Valve Spring Locator, Inside, 0.030 in Thick, 1.650 in OD, 0.570 in ID, 0.630 in Spring ID, Chromoly, Each
Item #: PACPAC-S133-1
Condition: New
Limited Supply: Only 3 Left!
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Price: $5.99
Sale: $5.53
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Description: Valve Spring Locator, Inside, 0.060 in Thick, 1.550 in OD, 0.635 in ID, 0.770 in Spring ID, Chromoly, Set of 16
Item #: PACPAC-S104
Condition: New
Limited Supply: Only 3 Left!
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Price: $93.00
Sale: $85.00
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Description: Valve Spring Retainer, 8 Degree, 0.940 / 0685 in OD Steps, 1.250 in Dual Spring, Steel, Natural, Set of 16
Item #: PACPAC-R650
Condition: New
Limited Supply: Only 1 Left!
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Price: $416.00
Sale: $395.00
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Save: $21.00

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Description: Valve Spring Retainer, 300 Series, 10 Degree, 1.067 in / 0.785 in OD Steps, 1.459 in OD Dual Spring, Chromoly, Set of 16
Item #: PACPAC-R391
Condition: New
Limited Supply: Only 0 Left!
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Price: $88.99
Sale: $88.00
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Description: Valve Spring Retainer, 500 Series, 7 Degree, 0.640 in OD Step, Beehive Spring, Titanium, GM LS-Series, Set of 16
Item #: PACPAC-R511
Condition: New
Limited Supply: Only 1 Left!
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Price: $350.00
Sale: $295.00
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Save: $55.00

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Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.122 in / 0.735 in OD Steps, Dual Spring, Chromoly, Set of 16
Item #: PACPAC-R387
Condition: New
Limited Supply: Only 3 Left!
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Price: $93.00
Sale: $88.00
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Description: Valve Spring Retainer, 10 Degree, 1.215 / 0.865 / 0.630 in OD Steps, 1.620 in Triple Spring, Titanium, Set of 16
Item #: PACPAC-R565
Condition: New
Limited Supply: Only 1 Left!
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Price: $502.00
Sale: $460.00
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Save: $42.00

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Description: Valve Spring Locator, Inside, 0.060 in Thick, 1.500 in OD, 0.575 in ID, 0.730 in Spring ID, Chromoly, Set of 16
Item #: PACPAC-S117
Condition: New
Limited Supply: Only 2 Left!
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Price: $93.00
Sale: $85.00
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Description: Valve Spring Shim, 0.030 in Thick, 1.250 in OD, Steel, Set of 16
Item #: PACPAC-S189
Condition: New
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Price: $47.00
Sale: $42.00
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Description: Valve Spring Shim, 0.050 in Thick, 1.250 in OD, Steel, Set of 16
Item #: PACPAC-S188
Condition: New
Limited Supply: Only 3 Left!
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Price: $43.99
Sale: $43.50
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Save: $0.49
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Description: Valve Spring Shim, 0.015 in Thick, 1.250 in OD, 0.570 in ID, Steel, Set of 16
Item #: PACPAC-S191
Condition: New
Limited Supply: Only 4 Left!
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Price: $33.00
Sale: $30.00
Save: 9%
Save: $3.00
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Description: Valve Spring Shim, 0.030 in Thick, 1.500 in OD, 0.570 in ID, Steel, Set of 16
Item #: PACPAC-S185
Condition: New
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Price: $47.00
Sale: $42.00
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Description: Valve Spring Shim, 0.020 in Thick, 1.500 in OD, 0.570 in ID, Steel, Set of 16
Item #: PACPAC-S186
Condition: New
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Price: $33.00
Sale: $30.00
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Description: Valve Spring Shim, 0.015 in Thick, 1.500 in OD, 0.570 in ID, Steel, Set of 16
Item #: PACPAC-S187
Condition: New
Limited Supply: Only 9 Left!
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Price: $33.00
Sale: $30.00
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Description: Valve Spring Shim, 0.020 in Thick, 1.500 in OD, 0.645 in ID, Steel, Set of 16
Item #: PACPAC-S194
Condition: New
Limited Supply: Only 8 Left!
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Price: $33.00
Sale: $30.00
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Description: Valve Spring Shim, 0.015 in Thick, 1.500 in OD, 0.645 in ID, Steel, Set of 16
Item #: PACPAC-S195
Condition: New
Limited Supply: Only 1 Left!
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Price: $33.00
Sale: $30.00
Save: 9%
Save: $3.00
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Description: Valve Spring Shim, 0.015 / 0.020 / 0.030 / 0.050 in Thick, 1.250 in OD, 0.575 in ID, Steel, Kit
Item #: PACPAC-KS93
Condition: New
Limited Supply: Only 3 Left!
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Price: $156.00
Sale: $142.00
Save: 9%
Save: $14.00
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Description: Valve Spring Shim, 0.050 in Thick, 1.500 in OD, 0.570 in ID, Steel, Set of 16
Item #: PACPAC-S184
Condition: New
Limited Supply: Only 8 Left!
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Price: $48.00
Sale: $43.50
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Save: $4.50
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Items 251-269 of 269

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.