Extreme Duty Flexplate SFI GM LS1/LS2/LS6 168T

The Extreme Duty Flexplate SFI GM LS1/LS2/LS6 168T is designed for high-performance LS engine builds where reliability and performance are paramount. This flexplate is essential for those converting classic muscle cars, building street rods, or preparing high-output engines, ensuring optimal engine longevity and drivability.

Engineered to meet SFI certification standards, this flexplate features a 168-tooth ring gear compatible with LS1, LS2, and LS6 engine families. Its extreme-duty construction is forged and heat-treated to withstand high RPMs, aggressive launches, and elevated torque loads, making it suitable for forced-induction builds and high-horsepower applications.

Performance enthusiasts and professional builders trust this flexplate for LS engine swaps into Chevrolet, Pontiac, and Oldsmobile platforms, as well as custom builds in foreign chassis and vintage vehicles. Its precision manufacturing ensures true runout and balanced operation, minimizing vibration at the converter and drivetrain interface.