Billet LT4 LidGive your LT4 engine the performance and appearance it deserves with the Wegner Automotive Billet LT4 Lid. Precision CNC machined from high quality billet aluminum, this lid replaces the restrictive factory unit to improve airflow and heat dissipation. The result? Cooler intake temps, better efficiency, and a sleek, high performance aesthetic under the hood. Designed specifically for GMs LT4 supercharged engines, this lid bolts on with ease and
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