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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 269
Description: Valve Spring, 1300 Series, Dual Spring, 644 lb/in Spring Rate, 1.150 in Coil Bind, 1.550 in OD, Each
Item #: PACPAC-1325-1
Condition: New
Limited Supply: Only 3 Left!
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Price: $40.36
Sale: $37.44
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Save: $2.92
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Description: Valve Spring, 1300 Series, Dual Spring, 743 lb/in Spring Rate, 1.035 in Coil Bind, 1.570 in OD, Circle Track, Each
Item #: PACPAC-1344-1
Condition: New
Limited Supply: Only 1 Left!
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Price: $40.36
Sale: $37.44
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Description: Valve Spring, 1300 Series, Dual Spring, 743 lb/in Spring Rate, 1.035 in Coil Bind, 1.570 in OD, Circle Track, Set of 16
Item #: PACPAC-1344
Condition: New
Limited Supply: Only 0 Left!
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Price: $627.00
Sale: $576.00
Save: 8%
Save: $51.00

Description: Valve Spring, 1300 Series, Triple Spring, 896 lb/in Spring Rate, 1.140 in Coil Bind, 1.710 in OD, Set of 16
Item #: PACPAC-1366H
Condition: New
Limited Supply: Only 2 Left!
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Price: $680.00
Sale: $600.00
Save: 12%
Save: $80.00

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Description: Valve Spring, 1500 Series, Dual Spring, 483 lb/in Spring Rate, 1.160 in Coil Bind, 1.514 in OD, Set of 16
Item #: PACPAC-1561
Condition: New
Limited Supply: Only 3 Left!
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Price: $660.00
Sale: $600.00
Save: 9%
Save: $60.00

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Description: Valve Spring Retainer, 400 Series, 10 Degree, 1.125 in / 0.800 in OD Steps, Dual Spring, Titanium, Set of 16
Item #: PACPAC-R436
Condition: New
Limited Supply: Only 3 Left!
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Price: $317.00
Sale: $295.00
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Save: $22.00

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Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.140 in / 0.815 in OD Steps, 1.475 in OD Dual Spring, Titanium, Set of 16
Item #: PACPAC-R538
Condition: New
Limited Supply: Only 2 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, Each
Item #: PACPAC-R501-1
Condition: New
Limited Supply: Only 2 Left!
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Price: $32.32
Sale: $29.90
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Save: $2.42
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Description: Valve Spring Retainer, 500 Series, 10 Degree, 1.040 in / 0.715 in OD Steps, Dual Spring, Titanium, Each
Item #: PACPAC-R508-1
Condition: New
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Price: $32.32
Sale: $29.90
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Description: Valve Spring Retainer, 500 Series, 8 Degree, 1.040 in / 0.715 in OD Steps, Dual Spring, Titanium, Each
Item #: PACPAC-R509-1
Condition: New
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Price: $32.32
Sale: $29.90
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Save: $2.42
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Description: Valve Spring Retainer, 600 Series, Mini 8 Degree, 0.890 in / 0.600 in OD Steps, Dual Spring, Steel, Each
Item #: PACPAC-R632-1
Condition: New
Limited Supply: Only 7 Left!
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Price: $26.78
Sale: $25.68
Save: 4%
Save: $1.10
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Description: Valve Spring Retainer, 600 Series, Mini 8 Degree, 0.890 in / 0.600 in OD Steps, Dual Spring, Steel, Set of 16
Item #: PACPAC-R632
Condition: New
Limited Supply: Only 5 Left!
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Price: $416.00
Sale: $395.00
Save: 5%
Save: $21.00

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Description: Valve Spring Retainer, 600 Series, 8 Degree, 0.775 in OD Step, 1.200 in OD Dual Spring, Steel, Set of 16
Item #: PACPAC-R649
Condition: New
Limited Supply: Only 2 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, 600 Series, 8 Degree, 1.120 in / 0.715 in OD Steps, 1.575 in Dual Spring, Steel, Black Oxide, Set of 16
Item #: PACPAC-R658
Condition: New
Limited Supply: Only 2 Left!
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Price: $416.00
Sale: $395.00
Save: 5%
Save: $21.00

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Description: Valve Lock, 7 Degree, 5/16 in Valve Stem, Standard Height, Steel, Black Oxide, Set of 32
Item #: PACPAC-L8161
Condition: New
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Price: $93.00
Sale: $88.00
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Save: $5.00
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Description: Valve Lock, 8 Degree, 5/16 in Valve Stem, 0.050 in More Height, Steel, Natural, Each
Item #: PACPAC-L8138
Condition: New
Limited Supply: Only 2 Left!
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Price: $93.00
Sale: $88.00
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Description: Valve Lock, 8 Degree, 7 mm Valve Stem, 0.050 in Less Height, Titanium, Natural, Set of 32
Item #: PACPAC-L8140
Condition: New
Limited Supply: Only 1 Left!
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Price: $218.00
Sale: $204.00
Save: 6%
Save: $14.00
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Description: Valve Spring Locator, Inside, 0.060 in Thick, 1.550 in OD, 0.855 in ID, 0.635 in Spring ID, Steel, Set of 16
Item #: PACPAC-S102
Condition: New
Limited Supply: Only 3 Left!
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Price: $93.00
Sale: $85.00
Save: 9%
Save: $8.00
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Description: Valve Spring, 1300 Series, Dual Spring, 780 lb/in Spring Rate, 1.130 in Coil Bind, 1.500 in OD, Each
Item #: PACPAC-1357-1
Condition: New
Limited Supply: Only 0 Left!
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Price: $42.49
Sale: $37.44
Save: 12%
Save: $5.05
Description: Valve Spring, 1300 Series, Dual Spring, 780 lb/in Spring Rate, 1.130 in Coil Bind, 1.500 in OD, Each
Item #: PACPAC-1355-1
Condition: New
Limited Supply: Only 0 Left!
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Price: $42.49
Sale: $37.44
Save: 12%
Save: $5.05
Description: Valve Spring, Hot Rod Series, Dual Spring, 367 lb/in Spring Rate, 1.075 in Coil Bind, 1.490 in OD, Set of 16
Item #: PACPAC-1914
Condition: New
Limited Supply: Only 2 Left!
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Price: $165.00
Sale: $155.00
Save: 6%
Save: $10.00
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Description: Valve Spring, Hot Rod Series, Dual Spring, 392 lb/in Spring Rate, 1.020 in Coil Bind, 1.034 in OD, Chromoly Retainers / Locks / Viton Seals / Seat, Set of 16
Item #: PACPAC-KS12
Condition: New
Limited Supply: Only 2 Left!
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Price: $480.00
Sale: $450.00
Save: 6%
Save: $30.00

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Description: Valve Spring, Hot Rod Series, Dual Spring / Damper, 431 ln/in Spring Rate, 1.125 in Coil Bind, 1.540 in ID, Each
Item #: PACPAC-1924-1
Condition: New
Limited Supply: Only 6 Left!
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Price: $17.45
Sale: $15.99
Save: 8%
Save: $1.46
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Description: Valve Spring, Hot Rod Series, Dual Spring / Damper, 469 ln/in Spring Rate, 1.150 in Coil Bind, 1.555 in ID, Each
Item #: PACPAC-1940-1
Condition: New
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Price: $24.66
Sale: $22.62
Save: 8%
Save: $2.04
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Description: Valve Spring, Hot Rod Series, Single Spring / Damper, 311 lb/in Spring Rate, 1.200 in Coil Bind, 1.540 in OD, Set of 16
Item #: PACPAC-1933
Condition: New
Limited Supply: Only 0 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $152.00
Sale: $138.00
Save: 9%
Save: $14.00
Items 26-50 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.