Description: Build power by reducing air restriction and turbulence with Granatelli Motorsports LS1 air box lid. The composite lid features a wedge-shaped design to increase and smooth out airflow as it enters your engine. It comes with a steel clamp for easy hookup and it mounts in place of your stock lid.
Manufaturer of the # 1 selling high performance 50-state legal mass airflow sensors for domestic cars, trucks/SUVs, and rvs. Also offers the best selling line of fuel system components, suspension components, fabricated sheetmetal valve covers, billet power steering pump reservoirs, electronic speedometer calibrators, forced induction self contained oil coolers and cold air inductions for domestic vehicles.