112-602 Holley Universal 4BBL 1000CFM 4150 Flange Throttle Body, Hard Core Gray

The Holley EFI die cast aluminum four barrel throttle body is designed to fit on any square bore (4150 style) intake manifold. This new MPFI Race Throttle Body shares the same air entry area design that powers every NASCAR Sprint Cup Series™ car! The unit includes the Throttle Position Sensor (TPS), Intake Air Temperature Sensor (IAT), and Idle Air Control (IAC) motor. It has four 1-3/4" throttle plates. It features non progressive throttle linkage, for quickest throttle response, but can be converted to progressive operation by removing and adjusting the installed linkage. It also features one 3/8" and one 3/16" full manifold vacuum ports!

Features:

1-3/4” throttle bore

Standard square bore mounting pattern for installation on many intake manifolds

Integrated TPS, IAC and Air Sensor

Hi Flow IAC passages for large cubic inch engines for idle stability

Uses a non-contact magnetic hall effect TPS sensor

Includes (1) 3/8” and (1) 3/16” full manifold vacuum ports

PTFE coated throttle shaft rides in oil impregnated bronze bushing for smooth actuation

Dedicated race only throttle lever

Stainless Steel adjustable secondary link; factory set to 1:1 actuation

Knurled primary curb idle adjustment screw

High quality die cast aluminum for strength and weight reduction

Hard Core Gray finish