Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 Speedmaster finned aluminum valve covers

Speedmaster finned aluminum valve covers feature a classic raised

they also provide your engine with cleaner air for better performance

Kit includes adapter plate to permit use of certain square bore style carburetors

Speedmaster cast iron brake calipers include calipers

Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 Speedmaster finned aluminum valve coversThese idle air control motor adapters are designed to adapt the GM style idle air control motor to a our Speedmaster downdraft system. They will facilitate the installation and use of the FAST XFI or other EFI street or competition systems. They are manufactured from aluminum and have a natural finish.