Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 Speedmaster camshafts are built to

Speedmaster camshafts are built to take advantage of the latest cam technology

Aluminum pressure relief valve for 6-71

Speedmaster Input shafts can withstand the stresses and the added power

Made from CNC machined billet steel for heady duty applications

maintenance-free operation

Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 Speedmaster camshafts are built toThese 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.