
GSSBC1INTFLX Flexplate, Small Block/Big Block Chevy, SFI 29.1, Internal Balance
Gearstar Performance GSSBC1INTFLX Features:
- Fits 1-piece rear main seal configuration
- Bolt pattern; 10.75 in. x 3, 11.50 in. x 6
Gearstar Performance Transmission Flexplates — SFI, Extreme-Duty Strength for High-Horsepower Builds
Built for modern power, Gearstar Performance Transmission Flexplates deliver extreme-duty durability with a thicker-than-stock centerplate and precision-welded ring gears using robotic, cold-weld processes to meet SFI 29.1 standards. Coverage includes popular applications like GM LS, Small-Block Chevy, and Ford, as well as Mopar Gen III Hemi, for an easy, confidence-inspiring match to your combo. Each flexplate is rigorously inspected throughout manufacturing to ensure the reliability, fit, and finish enthusiasts expect from Gearstar.



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