Mr. Gasket GM Flexplate Bolts are forged from steel and heat-treated to Grade 8 specs for maximum strength and durability. Ideal for high-performance use and compatible with countless GM V6 and V8 applications, these black-plated hex head fasteners resist rust and corrosion. Engine Compatibility : All GM Engines Thread Size : 7/16 Inch-20 Under Head Length (IN) : 0.680 Inch Color : Black Material : Steel
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