SKU: PQX1837010
UPC: 842864008736
MPN: 1837010
The PRW Industries Mopar Gen III Hemi SFI Flexplate for 5.7L and 6.1L engines is a heavy-duty transmission interface component engineered for high-performance and race applications. This 131-tooth, internally balanced flexplate meets SFI 29.1 certification standards and combines steel construction with extreme-duty platinum-series durability to handle sustained high-RPM operation and torque loads that exceed stock capability.
The 131-tooth design ensures proper engagement with modern starter motors while the internal balance configuration works in conjunction with a balanced crankshaft and harmonic balancer to minimize vibration across the entire RPM band. Steel construction provides superior fatigue resistance compared to cast iron alternatives, a critical factor in drag racing, street performance, and dedicated track environments where repeated high-load cycling occurs. SFI 29.1 certification indicates compliance with racing safety standards for flexplate containment and structural integrity during catastrophic failure scenarios.
This flexplate is purpose-built for Gen III Hemi engine platforms and serves engine builders, drag racers, and performance enthusiasts upgrading to aftermarket transmission systems. The Xtreme Duty Platinum series from PRW Industries targets builders who demand zero compromise on reliability during competition or extreme street use. Direct fitment with Mopar Gen III Hemi 5.7L and 6.1L blocks eliminates guesswork during installation, and the verified SFI rating provides the documentation required for sanctioned racing events.
Flexplate selection directly impacts drivetrain reliability and longevity in modified engines. A properly matched, high-quality flexplate rated for your torque output prevents slippage, reduces harmonics, and maintains secure connection between crankshaft and transmission converter or clutch. The Mopar Gen III Hemi SFI Flexplate represents a critical upgrade for serious performance builds where stock components no longer provide adequate safety margin.
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