PAC Racing Springs

PAC Racing Springs RPM Series 1.290 Dual Valve Springs — Fits GM LS-Series

PAC Racing Springs RPM Series 1.290 Dual Valve Springs — Fits GM LS-Series
PAC Racing Springs RPM Series 1.290 Dual Valve Springs — Fits GM LS-Series
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PAC Racing Springs RPM Series 1.290 Dual Valve Springs — Fits GM LS-SeriesPAC Racing Springs RPM Series 1.290 Dual Valve Springs — Fits GM LS-SeriesPACPAC-1204X-16.jpg
PAC Racing Springs

PAC Racing Springs RPM Series 1.290 Dual Valve Springs — Fits GM LS-Series

SKU: DHDL_PAC-1204X-16
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Precision Valvetrain for GM LS-Series EnginesUnlock the true potential of ...Read More

Price:
$410.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

Precision Valvetrain for GM LS-Series Engines

Unlock the true potential of your GM LS-Series engine with the PAC Racing RPM Series 1.290 inch dual valve springs. Specifically engineered for the LS platform, these springs provide the ideal balance of spring rate and harmonic control required for high-performance street and track applications. The dual-spring design ensures that your engine can handle more aggressive camshaft profiles without sacrificing reliability or longevity.

Technical Specifications

  • Series: RPM Series
  • Design: Dual Spring
  • Spring Rate: 369 lb/in
  • Outside Diameter: 1.290 in
  • Coil Bind: 1.000 in
  • Fitment: GM LS-Series
  • Quantity: Set of 16

The RPM Series is known for its exceptional fatigue life and consistent performance under varying temperatures. By utilizing a 1.290-inch outer diameter, these springs are optimized to fit popular LS cylinder heads, providing a drop-in solution for many high-performance builds. Whether you are building a naturally aspirated powerhouse or a forced-induction monster, these springs provide the valvetrain stability needed to safely push your RPM limits. Trust in the quality of PAC Racing to keep your LS engine running at its peak. Find all your LS-Series performance upgrades at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision Valvetrain for GM LS-Series Engines

Unlock the true potential of your GM LS-Series engine with the PAC Racing RPM Series 1.290 inch dual valve springs. Specifically engineered for the LS platform, these springs provide the ideal balance of spring rate and harmonic control required for high-performance street and track applications. The dual-spring design ensures that your engine can handle more aggressive camshaft profiles without sacrificing reliability or longevity.

Technical Specifications

  • Series: RPM Series
  • Design: Dual Spring
  • Spring Rate: 369 lb/in
  • Outside Diameter: 1.290 in
  • Coil Bind: 1.000 in
  • Fitment: GM LS-Series
  • Quantity: Set of 16

The RPM Series is known for its exceptional fatigue life and consistent performance under varying temperatures. By utilizing a 1.290-inch outer diameter, these springs are optimized to fit popular LS cylinder heads, providing a drop-in solution for many high-performance builds. Whether you are building a naturally aspirated powerhouse or a forced-induction monster, these springs provide the valvetrain stability needed to safely push your RPM limits. Trust in the quality of PAC Racing to keep your LS engine running at its peak. Find all your LS-Series performance upgrades at GGCRACING.

Product Details

Product Description

Precision Valvetrain for GM LS-Series Engines

Unlock the true potential of your GM LS-Series engine with the PAC Racing RPM Series 1.290 inch dual valve springs. Specifically engineered for the LS platform, these springs provide the ideal balance of spring rate and harmonic control required for high-performance street and track applications. The dual-spring design ensures that your engine can handle more aggressive camshaft profiles without sacrificing reliability or longevity.

Technical Specifications

  • Series: RPM Series
  • Design: Dual Spring
  • Spring Rate: 369 lb/in
  • Outside Diameter: 1.290 in
  • Coil Bind: 1.000 in
  • Fitment: GM LS-Series
  • Quantity: Set of 16

The RPM Series is known for its exceptional fatigue life and consistent performance under varying temperatures. By utilizing a 1.290-inch outer diameter, these springs are optimized to fit popular LS cylinder heads, providing a drop-in solution for many high-performance builds. Whether you are building a naturally aspirated powerhouse or a forced-induction monster, these springs provide the valvetrain stability needed to safely push your RPM limits. Trust in the quality of PAC Racing to keep your LS engine running at its peak. Find all your LS-Series performance upgrades at GGCRACING.

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