Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 Just bolt the pre-assembled unit

Just bolt the pre-assembled unit to the back of the shifter and you are ready to go

Increase your horsepower and torque for your ride--just bolt on these Speedmaster headers

Speedmaster cast iron brake calipers include calipers

Speedmaster gilmer drive-style crankshaft pulley spacers are specifically designed to help achieve proper belt alignment

Understanding that being first across the line is what it's all about

Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 Just bolt the pre-assembled unitThese 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.