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Boninfante Friction 168 tooth GM SFI LS1 Streetflex Flexplate TH350/Th400/Powerglide/4L80E 047-0235

Racing Use Only, Not Legal for Road Use

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 Boninfante Friction 168 tooth GM LS1 Streetflex Flexplate

  • 6 For 7/16″ Bolt
  • 1-Piece Rear Main
  • GM 6 on 10.750″
  • GM 6 Offset 3 on 10.750″, 3 on 11.500″
  • GM 6 on 11.100″ (LS bolt pattern)
  • 4.8/5.3/5.7/6.0L Welded 168 Ring Gear

**For use with Th350/Th400/Powerglide/4L80E Transmissions

**For some applications a pilot adapter may be required depending on which converter you are using and what pilot is built into the converter.

Made in the USA!

Boninfante’s STREETFLEX flexplates feature:

  • Multi-piece design with welded ring gear and welded billet adapter hub (where designated)
  • Manufactured from special, high-strength US steel
  • Precision automated welding process
  • Beautiful matte black finish
  • Multiple torque converter bolt patterns
  • Laser marked
  • Tested to 11,000 RPM which exceeds SFI safety standard 29.2
  • Streetflex suggested rated up to 1,500hp