Home » EFI Hardware Products » Throttle Bodies » 4 Barrel » throttle body 4 barrel low profile 46.5mm
Pro Race 4 Barrel Throttle Body features a special hi flow bell mouth and 46.5mm butterflys for extra flow. Accepts GM stepper motor for Idle control and fits both spread bore and square bore manifolds.
These are cast in Australia then CNC machined to precise tolerances, then assembled and quality checked before shipping by us at EFI Hardware in Melbourne. Unlike cheap imports that run through parent metal, the shafts on EFI Hardware throttle bodies run on bearings with lip seals behind and are fully serviceable.
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We now recommend
and use SKF bearings.
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