Speed Pro R937435 Piston Ring Set 4.390" Bore, File Fit, Plasma Moly — 8-Cylinder

SKU: BHVW_R937435
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Boost Your Engine's Power with Speed Pro 4.390" Piston RingsIgnite ...Read More

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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

Boost Your Engine's Power with Speed Pro 4.390" Piston Rings

Ignite your engine's potential with the Speed Pro R937435 Piston Ring Set, expertly crafted for 8-cylinder engines with a 4.390-inch bore. These file-fit rings are indispensable for performance builds, allowing for precise customization of ring end gaps to achieve optimal cylinder sealing, minimize blow-by, and ensure superior oil control. This meticulous engineering translates directly into increased horsepower and torque output.

Premium Materials for Extreme Performance

Each ring in this set is constructed from high-grade ductile iron, fortified with a plasma moly coating. This advanced material combination provides exceptional resistance to wear, heat, and friction, ensuring long-lasting durability and consistent performance under the most demanding conditions. The 1/16" (top), 1/16" (second), and 3/16" (oil) thickness profile, combined with a low-tension design, optimizes sealing efficiency while minimizing parasitic drag.

  • Bore Diameter: 4.390 inches
  • Ring Thickness: 1/16" (Top), 1/16" (Second), 3/16" (Oil)
  • Material: Ductile Iron with Plasma Moly Coating
  • Design: File Fit, Low Tension
  • Cylinder Count: 8-Cylinder Kit
  • Application: High-performance and racing engine builds requiring precise ring gap

When uncompromising performance is your goal, Speed Pro delivers. These piston rings are a fundamental component for any serious engine build. Find all your high-performance engine parts at GGCRACING.COM.

Product Details

Product Description
Part Numbers
Sizing & Fit

Boost Your Engine's Power with Speed Pro 4.390" Piston Rings

Ignite your engine's potential with the Speed Pro R937435 Piston Ring Set, expertly crafted for 8-cylinder engines with a 4.390-inch bore. These file-fit rings are indispensable for performance builds, allowing for precise customization of ring end gaps to achieve optimal cylinder sealing, minimize blow-by, and ensure superior oil control. This meticulous engineering translates directly into increased horsepower and torque output.

Premium Materials for Extreme Performance

Each ring in this set is constructed from high-grade ductile iron, fortified with a plasma moly coating. This advanced material combination provides exceptional resistance to wear, heat, and friction, ensuring long-lasting durability and consistent performance under the most demanding conditions. The 1/16" (top), 1/16" (second), and 3/16" (oil) thickness profile, combined with a low-tension design, optimizes sealing efficiency while minimizing parasitic drag.

  • Bore Diameter: 4.390 inches
  • Ring Thickness: 1/16" (Top), 1/16" (Second), 3/16" (Oil)
  • Material: Ductile Iron with Plasma Moly Coating
  • Design: File Fit, Low Tension
  • Cylinder Count: 8-Cylinder Kit
  • Application: High-performance and racing engine builds requiring precise ring gap

When uncompromising performance is your goal, Speed Pro delivers. These piston rings are a fundamental component for any serious engine build. Find all your high-performance engine parts at GGCRACING.COM.

Product Details

Product Description

Boost Your Engine's Power with Speed Pro 4.390" Piston Rings

Ignite your engine's potential with the Speed Pro R937435 Piston Ring Set, expertly crafted for 8-cylinder engines with a 4.390-inch bore. These file-fit rings are indispensable for performance builds, allowing for precise customization of ring end gaps to achieve optimal cylinder sealing, minimize blow-by, and ensure superior oil control. This meticulous engineering translates directly into increased horsepower and torque output.

Premium Materials for Extreme Performance

Each ring in this set is constructed from high-grade ductile iron, fortified with a plasma moly coating. This advanced material combination provides exceptional resistance to wear, heat, and friction, ensuring long-lasting durability and consistent performance under the most demanding conditions. The 1/16" (top), 1/16" (second), and 3/16" (oil) thickness profile, combined with a low-tension design, optimizes sealing efficiency while minimizing parasitic drag.

  • Bore Diameter: 4.390 inches
  • Ring Thickness: 1/16" (Top), 1/16" (Second), 3/16" (Oil)
  • Material: Ductile Iron with Plasma Moly Coating
  • Design: File Fit, Low Tension
  • Cylinder Count: 8-Cylinder Kit
  • Application: High-performance and racing engine builds requiring precise ring gap

When uncompromising performance is your goal, Speed Pro delivers. These piston rings are a fundamental component for any serious engine build. Find all your high-performance engine parts at GGCRACING.COM.

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