14" x 4" Washable Element Elite Top Dropped Base Air Cleaner Kit heat-treated to the highest Rockwell

heat-treated to the highest Rockwell hardness available

The GM LS1 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

ensuring a perfect fit and maximum efficiency

and regulator

Use the stock Quadra-Jet carb or 500-650 cfm vacuum secondary carburetor

14" x 4" Washable Element Elite Top Dropped Base Air Cleaner Kit heat-treated to the highest RockwellSpeedmaster's air cleaners not only look great, they also provide your engine with cleaner air for better performance. They're available in round and oval styles, and you can choose between plain polished, straight ball milled, and flame ball milled finishes.