TCI LS 6-Bolt Crank SFI Flexplate

TCI LS 6-Bolt Crank SFI Flexplate

The TCI LS 6-Bolt Crank SFI Flexplate is engineered for high-performance Gen III and Gen IV LS engines, delivering enhanced strength and durability for street, strip, and racing use.

Key Features

• SFI 29.1 approved for safety and performance
• Fits most Gen III and Gen IV LS-series Chevy engines
• Compatible with 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L V8s using a 6-bolt crank flange
• 168-tooth flexplate with 11.5" wide GM converter bolt pattern (6 holes)
• Includes converter pilot adapter for older small and big block Chevy converters
• Thicker flexplate (.035") for increased durability
• Starter ring gear welded on both sides for added strength
• Constructed from high tensile strength material to resist elongation and cracking
• Sized for stock 3/8" mounting bolts; can be drilled for 7/16" high-performance bolts

Fitment

• For 4L60 or TH350 with 10.75" or 11.062" converter bolt pattern, use P/N 399753 instead
• Not compatible with 1999-2000 6.0L engines with 0.400" extended crank flange and factory flat flexplate
• Not compatible with 1999-2000 4.8L manual transmission applications

Note: Professional installation is recommended to ensure proper fitment and torque specifications.