The Holley 112-589 90mm throttle body for GM LS engines 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 Throttle Bodies
- Most other 90mm through 95mm LS intakes using 4-Bolt Throttle Bodies
Holley’s BILLET LS Throttle Bodies are the BIGGEST BORE (in the 90 to 95mm category) - MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a 95 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 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!
Not Sure? Review this product documentation before you buy!
Instruction Guide
Holley GM LS Throttle Body Installation Guide (90mm - 105mm)
| Throttle Bodies | |
| Barrels (BBL) | 1 |
| Style | Multi-Point Fuel Injection |
| Throttle Bore Diameter (ea) | 90mm |
| TPS Sensor Included | Yes |
| General | |
| Also Included | Tapered transition to eliminate Low RPM drivability issues |
| Application | Stock LS2, LS3, LS7; Holley LS Mid-Rise; Holley 95mm Hi-Ram; Fast LSX; Edelbrock Pro-Flo XT and other LS intakes with 90-95mm 4-bolt flanges |
| Color | Black Anodized Aluminum |
| Emission Code | 3 - Racing Vehicles Only |
| Material | Billet Aluminum |
| OEM Replacement | Yes |
| Unit of Sale | Each |
