14" Extreme Style w/ Black Outer Ring Washable Air Cleaner Top The LS (Gen3/4) platform has

The LS (Gen3/4) platform has many design benefits over the earlier SBC engine designs

aircraft-style cap and -10 AN pickup

These Speedmaster flexplate dust covers have brilliant triple-chrome plating and are made from heavy-gauge steel

Speedmaster crank hub

14" Extreme Style w/ Black Outer Ring Washable Air Cleaner Top The LS (Gen3/4) platform hasIncreasing air flow through your current filter assembly is as easy as replacing your top plate with one of these Speedmaster X Stream Air Flow Top Plates. The Speedmaster top plates allow air to enter smoothly through the top, which helps draw more air from the sides. That means you get more airflow headed down the carburetor or throttle body and into the combustion chamber. So, if you want more airflow then you should grab up one of these