Hays Steel SFI Certified Flexplate - GM LS Engines

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Overview Constructed of thicker than stock steel plate to withstand the stress of high stall speed converters and high RPM engine Securely welded ring gear with dual bolt pattern f or use with either Powerglide or Turbo-Hydromatic transmission Meets SFI specification 29.1 for racing Hays heavy-duty flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling them to withstand the stress of high-stall torque converters and high-RPM engines. While factory stock plates tend to crack around the crankshaft hub when punished under high torque and RPM conditions, the thicker Hays flexplate handles the force. These H.D. flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns for use with either a Powerglide or Turbo-Hydromatic torque converter. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and are SFI certified under specification 29.1. A crank adapter sleeve is required when mounting an LS engine to a GM 2-speed or 3-speed automatic transmission. Use part number 41-201 for these applications Features S.F.I. 29.1 Certified 168 Tooth Ring Gear For use on Internally Balanced Chevy V8 Engines Zinc Dichromate Plated Finish Features 4L60E and TH350 Converter Bolt Patterns TECHNICAL SPECS Engine Balance Internal SFI Certification 29.1 Show more