Chevrolet Performance Parts GM LS-Series Full Roller Rocker Arm - 1.70 Ratio, Pedestal Mount, Steel

SKU: FMQX_12681275
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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

Product Details

Product Description
Part Numbers
Sizing & Fit

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

Enhance Valvetrain Efficiency with Chevrolet Performance Full Roller Rocker Arms

For optimal engine performance, precise and efficient valvetrain operation is paramount. The Chevrolet Performance Parts GM LS-Series Full Roller Rocker Arm is engineered to reduce friction and improve valve lift accuracy, directly translating into more horsepower and a more stable valvetrain for your high-performance GM LS-Series engine.

Advanced Design for Superior Valvetrain Stability

These rocker arms feature a robust steel construction, ensuring exceptional durability and resistance to deflection under aggressive engine conditions. The full roller design significantly minimizes friction between the rocker arm and valve stem, as well as at the pivot point, leading to less wear, cooler operation, and more consistent valve timing. With a 1.70 ratio, they are designed to provide optimal valve lift for a wide range of camshaft profiles.

  • Material: High-strength Steel for ultimate durability.
  • Design: Full Roller for reduced friction and improved efficiency.
  • Ratio: 1.70 ratio for optimized valve lift.
  • Mounting: Pedestal Mount for secure and stable installation.
  • Finish: Natural finish, ready for installation.

Precision Fitment for GM LS-Series Engines

Designed specifically for GM LS-Series engines, these pedestal mount rocker arms ensure a direct and secure fit. Their precise engineering guarantees proper geometry and alignment, which is critical for preventing valvetrain instability and maximizing the performance potential of your LS engine. Whether you're upgrading a stock setup or fine-tuning a race engine, these rocker arms deliver the reliability and performance you expect from Chevrolet Performance.

Invest in Performance and Longevity

Upgrading to full roller rocker arms is a proven method to free up horsepower by reducing parasitic losses within the valvetrain. Beyond power gains, the reduced friction also extends the life of other valvetrain components, including valve stems and pushrods. Trust in genuine Chevrolet Performance quality to ensure your engine's valvetrain operates at its peak. Discover premium engine components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

Enhance Valvetrain Efficiency with Chevrolet Performance Full Roller Rocker Arms

For optimal engine performance, precise and efficient valvetrain operation is paramount. The Chevrolet Performance Parts GM LS-Series Full Roller Rocker Arm is engineered to reduce friction and improve valve lift accuracy, directly translating into more horsepower and a more stable valvetrain for your high-performance GM LS-Series engine.

Advanced Design for Superior Valvetrain Stability

These rocker arms feature a robust steel construction, ensuring exceptional durability and resistance to deflection under aggressive engine conditions. The full roller design significantly minimizes friction between the rocker arm and valve stem, as well as at the pivot point, leading to less wear, cooler operation, and more consistent valve timing. With a 1.70 ratio, they are designed to provide optimal valve lift for a wide range of camshaft profiles.

  • Material: High-strength Steel for ultimate durability.
  • Design: Full Roller for reduced friction and improved efficiency.
  • Ratio: 1.70 ratio for optimized valve lift.
  • Mounting: Pedestal Mount for secure and stable installation.
  • Finish: Natural finish, ready for installation.

Precision Fitment for GM LS-Series Engines

Designed specifically for GM LS-Series engines, these pedestal mount rocker arms ensure a direct and secure fit. Their precise engineering guarantees proper geometry and alignment, which is critical for preventing valvetrain instability and maximizing the performance potential of your LS engine. Whether you're upgrading a stock setup or fine-tuning a race engine, these rocker arms deliver the reliability and performance you expect from Chevrolet Performance.

Invest in Performance and Longevity

Upgrading to full roller rocker arms is a proven method to free up horsepower by reducing parasitic losses within the valvetrain. Beyond power gains, the reduced friction also extends the life of other valvetrain components, including valve stems and pushrods. Trust in genuine Chevrolet Performance quality to ensure your engine's valvetrain operates at its peak. Discover premium engine components at GGCRACING.

Product Details

Product Description

About Chevrolet Performance Parts

Chevrolet Performance Parts engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Chevrolet Performance Parts lineup with fast shipping and expert fitment support — order with confidence.

Enhance Valvetrain Efficiency with Chevrolet Performance Full Roller Rocker Arms

For optimal engine performance, precise and efficient valvetrain operation is paramount. The Chevrolet Performance Parts GM LS-Series Full Roller Rocker Arm is engineered to reduce friction and improve valve lift accuracy, directly translating into more horsepower and a more stable valvetrain for your high-performance GM LS-Series engine.

Advanced Design for Superior Valvetrain Stability

These rocker arms feature a robust steel construction, ensuring exceptional durability and resistance to deflection under aggressive engine conditions. The full roller design significantly minimizes friction between the rocker arm and valve stem, as well as at the pivot point, leading to less wear, cooler operation, and more consistent valve timing. With a 1.70 ratio, they are designed to provide optimal valve lift for a wide range of camshaft profiles.

  • Material: High-strength Steel for ultimate durability.
  • Design: Full Roller for reduced friction and improved efficiency.
  • Ratio: 1.70 ratio for optimized valve lift.
  • Mounting: Pedestal Mount for secure and stable installation.
  • Finish: Natural finish, ready for installation.

Precision Fitment for GM LS-Series Engines

Designed specifically for GM LS-Series engines, these pedestal mount rocker arms ensure a direct and secure fit. Their precise engineering guarantees proper geometry and alignment, which is critical for preventing valvetrain instability and maximizing the performance potential of your LS engine. Whether you're upgrading a stock setup or fine-tuning a race engine, these rocker arms deliver the reliability and performance you expect from Chevrolet Performance.

Invest in Performance and Longevity

Upgrading to full roller rocker arms is a proven method to free up horsepower by reducing parasitic losses within the valvetrain. Beyond power gains, the reduced friction also extends the life of other valvetrain components, including valve stems and pushrods. Trust in genuine Chevrolet Performance quality to ensure your engine's valvetrain operates at its peak. Discover premium engine components at GGCRACING.

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