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6" axle or GM 10-Bolt
which reduces the friction
Speedmaster has designed these pinion support stud kits to offer maximum clamping force and unmatched reliability
this pulley is designed to provide superior durability and efficiency
They are made of aluminum and feature a natural finish
Chevy GM LS3 Downdraft Idle Air Control Intake Adapter Aluminum 1-148-002 6" axle or GM 10-BoltThese 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.
