Description
Michigan Motorsports Exhaust Manifold & Header Bolt 12pc Set.Fits all 1997-newer LS & LT Based GM V8 Car and Truck Engines.Compatible with all GM LS & LT Based Gen 3/4/5 Car and Truck Engines.Flanged Grade 10.9 Bolts Torque Spec for M8 exhaust bolts is 18 ft-lb.M8 x 1.25 thread 25mm Underhead Length Fits Factory Exhaust Manifolds and Aftermarket Headers