Hays Steel SFI Certified Flexplate - GM LS Engines - 40-508 downpipes up to 1000 HP forced

up to 1000 HP forced air induction

25 Warning California Proposition 65 With Overdrive Switch No With Safety Lock Button No

6 V8 1976 - 1977 GMC Sprint 305/5 V8 1987 GMC V1500 305/5 V8 1987 GMC V1500 350/5

4L V8 1962 Ford Galaxie 500 Base 390/6

6L V8 1965 - 1971 Plymouth Fury III 383/6

Hays Steel SFI Certified Flexplate - GM LS Engines - 40-508 downpipes up to 1000 HP forcedOverview: Hays SFI Approved heavy duty flexplates for 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 4mm thick center plate utilized on a Hays flexplate handles the brute force. These flexplates are supplied with a precision double