Flex Plate to Crankshaft Bolts; 7/16 in.-20 x 11/16 in.; 6 pc.; GM; SPECIFICATIONS: Color: Black Engine Make/Size: Universal Chevy Finish: Black Oxide Material: Steel WARNING CA Proposition 65: No FEATURES: Fits All GM models 7/16 in. 20 x 11/16 in. Black Oxide Coated Grade 8 Steel MRG flex plate to crankshaft bolts are forged from high quality steel and heat-treated for extra strength, these grade 8 fasteners are a must for all hi-performance applications. Black plated finish helps resist rust and corrosion. Kits are complete with lock washers, where needed.