PRW Platinum Flexplate SFI 29.1 131-Tooth — Fits Mopar Gen III Hemi 5.7L/6.1L

SKU: FMJX_1837010
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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 PRW

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

Xtreme Duty Platinum Flexplate for Mopar Gen III Hemi

Unlock the full potential of your Mopar Gen III Hemi with the PRW Xtreme Duty Platinum Flexplate. Designed specifically for 5.7L and 6.1L engines, this flexplate is the gold standard for performance builds. Whether you are running a naturally aspirated setup or a forced induction beast, the Platinum series offers the structural rigidity required to handle increased power levels without compromise.

Technical Excellence for Hemi Engines

  • SFI 29.1 Certified: Meets the highest safety standards for high-performance automotive use.
  • 131-Tooth Design: Precision-machined for perfect compatibility with Gen III Hemi starter systems.
  • Platinum Series: Features advanced metallurgy for enhanced fatigue resistance.
  • Internal Balance: Perfectly weighted for the 5.7L and 6.1L Hemi rotating assembly.
  • High-Strength Steel: Engineered to withstand high-RPM launches and aggressive torque delivery.

The PRW Platinum Flexplate is more than just a replacement part; it is a critical upgrade for any Hemi engine enthusiast. Its robust design minimizes flex under load, which protects your transmission pump and ensures consistent power delivery. The precision-engineered ring gear ensures smooth starter engagement every time, preventing the common issues associated with lower-quality aftermarket flexplates. When you choose PRW, you are choosing decades of engineering expertise dedicated to the Mopar platform. Upgrade your drivetrain today and experience the difference in reliability and performance. For all your high-performance Mopar parts, visit GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About PRW

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

Xtreme Duty Platinum Flexplate for Mopar Gen III Hemi

Unlock the full potential of your Mopar Gen III Hemi with the PRW Xtreme Duty Platinum Flexplate. Designed specifically for 5.7L and 6.1L engines, this flexplate is the gold standard for performance builds. Whether you are running a naturally aspirated setup or a forced induction beast, the Platinum series offers the structural rigidity required to handle increased power levels without compromise.

Technical Excellence for Hemi Engines

  • SFI 29.1 Certified: Meets the highest safety standards for high-performance automotive use.
  • 131-Tooth Design: Precision-machined for perfect compatibility with Gen III Hemi starter systems.
  • Platinum Series: Features advanced metallurgy for enhanced fatigue resistance.
  • Internal Balance: Perfectly weighted for the 5.7L and 6.1L Hemi rotating assembly.
  • High-Strength Steel: Engineered to withstand high-RPM launches and aggressive torque delivery.

The PRW Platinum Flexplate is more than just a replacement part; it is a critical upgrade for any Hemi engine enthusiast. Its robust design minimizes flex under load, which protects your transmission pump and ensures consistent power delivery. The precision-engineered ring gear ensures smooth starter engagement every time, preventing the common issues associated with lower-quality aftermarket flexplates. When you choose PRW, you are choosing decades of engineering expertise dedicated to the Mopar platform. Upgrade your drivetrain today and experience the difference in reliability and performance. For all your high-performance Mopar parts, visit GGCRACING.

Product Details

Product Description

About PRW

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

Xtreme Duty Platinum Flexplate for Mopar Gen III Hemi

Unlock the full potential of your Mopar Gen III Hemi with the PRW Xtreme Duty Platinum Flexplate. Designed specifically for 5.7L and 6.1L engines, this flexplate is the gold standard for performance builds. Whether you are running a naturally aspirated setup or a forced induction beast, the Platinum series offers the structural rigidity required to handle increased power levels without compromise.

Technical Excellence for Hemi Engines

  • SFI 29.1 Certified: Meets the highest safety standards for high-performance automotive use.
  • 131-Tooth Design: Precision-machined for perfect compatibility with Gen III Hemi starter systems.
  • Platinum Series: Features advanced metallurgy for enhanced fatigue resistance.
  • Internal Balance: Perfectly weighted for the 5.7L and 6.1L Hemi rotating assembly.
  • High-Strength Steel: Engineered to withstand high-RPM launches and aggressive torque delivery.

The PRW Platinum Flexplate is more than just a replacement part; it is a critical upgrade for any Hemi engine enthusiast. Its robust design minimizes flex under load, which protects your transmission pump and ensures consistent power delivery. The precision-engineered ring gear ensures smooth starter engagement every time, preventing the common issues associated with lower-quality aftermarket flexplates. When you choose PRW, you are choosing decades of engineering expertise dedicated to the Mopar platform. Upgrade your drivetrain today and experience the difference in reliability and performance. For all your high-performance Mopar parts, visit GGCRACING.

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