Heat shield bolt. Left.3.0 LITER GAS. M8x30mm. PartQualifier: M8x30mm. Right.3.0 LITER GAS. Bolt used to fasten the Engine Intake Manifold. Exhaust Manifold Heat Shield Bolt. Lower Engine Intake Manifold to Supercharger. Supercharger Mounting Bolt. Mounting. Engine Intake Manifold. Exhaust Manifold.