MAHLE Original Top End Engine Gasket Set - 4.8 L / 5.3 L GM LS-Series HS54331 IB0-0778-A01-020-M Our technical know-how is based

Our technical know-how is based on 15 currently active patents across the board all of the company's key areas

Recommended for racing applications where a muffler is required without a set decibel limit to be met

40 tooth – 71% with 56 tooth driven pulley P/N 21115

1/2 LH Female

544 in OD Shank

MAHLE Original Top End Engine Gasket Set - 4.8 L / 5.3 L GM LS-Series HS54331 IB0-0778-A01-020-M Our technical know-how is basedMAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe. Product Description: Engine Gasket Set Top End 4. 8 L 5. 3 L GM LS Series MAHLE ORIGINAL produces a broad range of products, including camshaft, connecting rod, and main bearings for a variety of engines. MAHLE ORIGINAL CLEVITE also offers a complete line of diesel engine components, from piston rings and gaskets to complete turbocharger assemblies.