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Wilson Manifolds 123MM Hi-Boost throttle body, specifically developed for severe duty and high boost applications, the design provides industry leading performance and durability. We start with a massive 5/8” (.625”) stainless steel shaft with unmatched sealing strength, Precision fit TPS engagement that is compatible with either Ford or Motec TPS sensor, accompanied by a more versatile two-way adjustable linkage system. Also, introducing a unique tapered blade; designed to enhance air-flow and strength. The same 5” V-Band inlet and outlet makes the 123mm HB a direct replacement to our original 123mm throttle body.

Wilson Manifolds lightweight billet elbows provide the most efficient method of adapting their high-flow, single-bore throttle bodies to 4150 or 4500 series intake manifolds. Wilson Manifolds' elbows incorporate a computer-optimized transition from the throttle body to the intake manifold plenum for maximum airflow and distribution. Wilson Manifolds' elbows are CNC-machined to match each throttle body size.

This elbow is designed to mate our 123mm billet throttle body to a 4500 series intake manifold. It utilizes a V-Band provision to mate the throttle body to the elbow. We offer the V-Band completion kit so that you can get the whole package in one place.


The 123MM HI-BOOST Kit includes:

Wilson Manifolds 123MM Throttle body Part # 471123VHB

4500 Billet Elbow anodized Black 462227-BLK

V-Band 5” Clamp Assembly Black (Part# 486225-BLK)

Ford TPS/ Weather Pack Connector (Part# 488202-R)