Check the listing for details. Michigan Motorsports Black LS Flexplate 6-Bolt Dished SFI 29.1 Quick Rev LS1 LM7. Condition: New. Listed at 124.99 USD. Michigan Motorsports Black Label Dished LS FlexplateFits all LS Based Engines except LSA, LS9 and 1999-2000 6.0LSFI 29.1, 168 Tooth, Internal Balance, 6 Bolt Flange, "Quick Rev" Design Michigan Motorsports Black Label Flexplates combine the features of our Platinum series flexplates with an attractive black finish and laser engraved letting. They are engineered to handle extreme duty applications and designed to take the punishment of todays high horsepower engines. A 4mm thick centerplate provides a solid foundation, and ring gears are precision welded to meet SFI specifications, utilizing robotic machinery and cold-welding processes. This high integrity design has lightening holes for quicker throttle response, perfect for off-road, road racing or street use.Features:SFI 29.1 certifiedDirect bolt on componentForged one-piece steel ring gear.035" thicker than stock flex platesConstructed from cold-rolled premium steelDouble welded ring gear for added durabilityConverter Bolt Patterns:3 x 10.75” GM3 x 11.06” GM3 x 11.50” GM6 x 11.06” GM6 x 11.50” GMTransmission Compatibility:TH350, TH400, 700R4, 4L60E, 6L80E, 4L80E when used with a torque converter designed for a "dished" flexplate.If using with an older non-LS torque converter, Michigan Motorsports SKU # 26400 or MMCRNKADPT can be used to properly space the converter snout.