4 bbl Cast Throttle Body Black 4150 / 4500 4 bbl

the Aeroflow performance 4-barrel throttle body is the perfect complement for your fuel injection system. This high-quality diecast finished component is an affordably priced option compared to our billet version. This 1000 cfm throttle body utilizes 4150 pattern flange to suit a variety of intake manifold with 4150-style square-bore carburetor flange and standard bolt spacing. The 44. 45mm (1-3/4)” bore is designed with a special radius which promotes maximum air flow and minimum turbulence 6. 3mm (1/4”) thread in center for air filter stud.
this throttle body will accept a standard air cleaner with a 5-1/8” flange and includes a gm style idle air control (iac) motor with a gm style throttle position sensor (tps) and gm ls3 style map sensor. Multiple vacuum ports are also provided on the throttle body ( 2x 3/8”,2 x 1/4” 2 x 3/16”)