If you're looking for the highest quality flexplate on the market today check out this new 1 piece design from Boninfante. Designed to work with the new GM Gen V LT1, LT4, LT5 engines as well as the previous 8 bolt crank LSA and LSX engines. This 168 tooth flexplate is drilled for multiple converter patterns and it will allow you to mate up to the GM 4L80/85E, 6L80/6L90E, 8L90E, 10L80/90E transmissions.
• One-piece design with integral ring gear
• Specially selected aerospace grade alloy steel from USA steel mills
• Proprietary 3-stage heat treating process
• Hard machined to exacting tolerances (.002 TIR)
• Boninfante’s proprietary stress proofing and finishing process
• Finished in a beautiful black oxide
• Tested to 20,000 RPM which exceeds SFI safety standard 29.2
This is the ONLY SFI rated flexplate available today for the new GM 10 speed automatic!