ULTRA SMOOTH IDLE FOR LARGE DURATION CAMS. No cross turbulence within the manifold due to cam overlap means that each cylinder gets consistent flow and eliminates stalling. Easily adjust each cylinder to be of exactly equal flow in under 5 minutes. Something only ITBs allow. Dyno tested on dozens of vehicles.

High performance ITB throttle body kit with 48mm throttles and tapered trumpets for 964- 993 Porsche 6cyl boxer engines. 3-bolt base.

ITB Intake Manifold Kit for all Gen 3 & Gen 4 LS Engines with Cathedral Port Heads. Fits LS1, LS2, LS6, LM4, LM7, LQ4, LQ9, LY2, LY5 etc. Also known as Velocity Stacks or Trumpets.

Jun 3, 2021 · I'm running Jenvey ITBs on my Radical SR8. Dual DBW servos, custom linkage, ID1050 injectors, etc. But I'm using a MoTeC M150 ECU, not a Holley. I found that the notion of trying to run a speed density tune via MAP using vacuum lines from each ITB to a common plenum didn't work very well.

The Harrop Hurricane ITB manifold has long, straight runners with a smooth transition to the inlet port to increase flow efficiency. The Hurricane is the only ITB manifold for LS series engines to feature complete fly by wire throttle integration.

The Jenvey Chevrolet LS3 itb downdraft throttle body kit is designed specifically for motorsport applications offering exceptional performance lightness reliability and looks. Using our modular components offers huge opportunity for bespoking to match your application.

Complete Bolt-On ITB Kit. 8x Manifold Runners & Trumpets. 8x Pre-Assembled Throttle Bodies. Linkage Mechanism & Adjuster Screws; Vacuum Block, Hose Fittings and Silicone Hose. 2x Aluminium Injector Rails for High-Mount Ports; 8x Injector Plugs to block off unused ports. Optional: Carbon Plenum & Backing Plate (Trumpets include flanges for ...

Chevrolet Individual Throttle Body (ITB) kit for fuel injecting your Chevrolet LS3 engine from Jenvey Dynamics includes eight SFD58/45/0 taper throttle bodies with cross-bank linkage, two EFI inlet manifolds, two billet aluminium fuel rails and eight 20mm long billet airhorns.

Jan 15, 2025 · The LS3 ITB setup delivers significant improvements in throttle response, airflow, and overall engine efficiency, offering a noticeable increase in horsepower and torque. In this article, we will explore the benefits of upgrading to ITBs for an LS3 engine, how they work, and what you need to know when considering this performance enhancement.

Notably, the Hurricane stands out as the first ITB manifold for LS series engines to offer complete integration of fly-by-wire throttle, utilizing the factory silver blade throttle body motor for precise control.