Hays 40-508 Hays Steel SFI Certified Flexplate - GM LS Engines Fits select: 1999-2007 CHEVROLET SILVERADO, 1997-2000 CHEVROLET GMT-400

SFI-approved a€ legal for use in racing classes that require SFI certification Flexplate features a precision double welded ring gear Has 4mm thick center plate to resist cracking near crankshaft flange Zinc-dichromate plated to resist corrosion CAD designed to provide optimum performance and reliability Available in Internal or External balanced versions Applications offered for a wide variety of engine and transmission bolt patterns