Mopar Performance Automatic Transmission Flexplate Bolt
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Mopar Performance 6503465 Flexplate to Crankshaft Hex Head Lock Bolt M10x1.00x18.00
Mopar Performance Flexplate Bolts Built for the Demands of Chrysler Drivetrains
When it comes to keeping an automatic transmission securely mated to the engine, the flexplate bolt is one of the most mechanically critical fasteners in the entire drivetrain. These bolts must withstand relentless rotational stress, high torque loads, and the constant vibration cycles of an operating engine — and a substandard fastener in this application is simply not an option. That's exactly why Mopar Performance flexplate bolts are a go-to choice for Chrysler, Dodge, Jeep, and Ram owners who refuse to compromise.
Why Mopar Performance for Flexplate Hardware?
Mopar Performance is the factory-backed performance and parts division of Stellantis, carrying decades of engineering heritage developed in direct partnership with Chrysler's own powertrain teams. Unlike generic aftermarket fasteners, Mopar Performance flexplate bolts are engineered to meet or exceed the original equipment specifications for the specific engines and transmissions they are designed to serve. This means correct thread pitch, shank diameter, hardness grade, and torque retention — all dialed in for the exact application rather than adapted from a one-size-fits-many catalog.
The result is a bolt that installs with proper clamp load, resists backing out under heat cycles, and eliminates the guesswork that comes with sourcing hardware from non-OEM suppliers. For anyone rebuilding a transmission, swapping a torque converter, or refreshing a high-mileage drivetrain, using the correct Mopar Performance flexplate bolt ensures the job is done right the first time.
The Right Fastener for Performance and Stock Rebuilds Alike
Whether you're refreshing a daily-driven Ram 1500, restoring a classic Dodge Muscle car, or building a weekend track machine around a Hemi or Magnum platform, the flexplate-to-crankshaft and flexplate-to-torque-converter interface must be rock solid. Mopar Performance hardware is trusted not just for stock restorations but also for performance builds where the engine is producing elevated torque output and the drivetrain sees more aggressive use than the factory ever intended.
Explore the full range of Automatic Transmission Flexplate Bolts available across all brands to compare options, or stick with Mopar Performance for the confidence of factory-engineering behind every fastener.
Precision Hardware, Zero Compromise
- OEM-matched specifications — thread pitch, grade, and length engineered for specific Chrysler/Dodge/Jeep/Ram applications
- Factory-backed engineering — developed within the same Mopar Performance lineage that supports Chrysler's racing and performance programs
- Drivetrain integrity — proper clamp load and torque retention to keep the flexplate secure under demanding operating conditions
- Direct-fit installation — no modification, no adaptation, installs exactly as the OEM fastener should
When the integrity of your automatic transmission's rotating assembly depends on a single fastener, trust the name that has been synonymous with Chrysler performance engineering for generations. Mopar Performance flexplate bolts are the detail-level hardware that separates a professional-quality drivetrain build from a shortcut.