LS 90mm TB w/cable drive and taper

---

Holley's BILLET LS Throttle Bodies are the MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! The 112-589 throttle body features a 90 millimeter bore and a low RPM drive friendly taper. Innovative features like Idle Bleed Adjustment, TPS CLOCKER, and closable PCV Passage Valve, make them the ultimate throttle bodies for ease of installation and tuning. Regardless of whether you have a stock LS engine, turbo, supercharger, or a big cam engine sucking gulps of air, Holley's throttle bodies are maximized for your application. The barrier protection of the BLACK ANODIZED finish also offers up a modern tech look!

• TPS CLOCKER allows the TPS to be rotated back into the ECU's required idle voltage range. Modified engines no longer suffer from problems related to TPS voltage!
• MOUNTING HARDWARE and gasket included
• Fits the following intake manifolds: Stock LS2, Stock LS3, Stock LS7, Holley LS Mid-Rise, Holley 95mm Hi-Ram, Fast™ LSX, Edelbrock Pro-Flo XT using 4 bolt TBs & Most other 90 through 95mm LS intakes using 4 bolt TBs
• IDLE BLEED allows adjustment of your idle without affecting throttle position or TPS voltages at idle!
• PCV PASSAGE VALVE closes to accommodate forced induction applications! No more plugging to block off PCV!
• TAPERED TRANSITION eliminates low RPM drivability issues
• PREMIUM BILLET BODY supports the high tolerance design and look your performance engine deserves!
• BLACK ANODIZED FINISH for superior corrosion resistance and serious good looks
• CRUISE CONTROL provision built in for cruise control cable
• CABLE DRIVEN APPLICATION

---

Information:

Holley Performance Emission Code 8: This product is engineered to facilitate the installation of a later model; emissions friendly engine into a vintage/classic vehicle. Federal guidelines indicate that an engine swap is allowable if one or more of the following conditions apply: If there is a reasonable basis for knowing that emissions are not adversely affected as described in EPA Memo 1A/The resulting vehicle is identical (with regard to all emissions related parts; engine design parameters and engine calibrations) to a certified configuration of the same or newer model year as the vehicle chassis/The vehicle is a uncontrolled vehicle-Vehicles that were manufactured before emission control regulations took effect are called uncontrolled vehicles. Aftermarket parts regulations and anti-tampering laws do not apply to these vehicles/An EO legal engine swap kit is utilized (such as a GM EROD)/The vehicle is being used for Competition Use Only-Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street. NOTE: Consumers are responsible for complying with laws prohibiting tampering; and for ensuring that modified vehicles are operated in a manner that complies with applicable laws.