Holley EFI Dominator Flange Throttle Body
LS 90mm TB w/cable drive and taper
Overview
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!
Features:
- Lightweight billet design (4500 bolt pattern)
- Dual throttle blades for maximum airflow
- Shafts ride on roller bearings for ultra-smooth throttle actuation
- Flows 2550 CFM
- Versions with and without supplemental injector provisions (4 injectors per TB and rails)
- Non-contact magnetic TPS sensor ???? Bringing Pro Stock and ARCA Technology to your ride!
Details:
- Billet Color: Clear
- Bolt Pattern: Dominator Flange
- CFM: 2550
- Material: Billet Aluminum
- Throttle Bore: 25.8 Sq Inches
Links
Instruction Sheet
Product Information
Product Information
Shipping & Returns
Shipping & Returns





Holley EFI Dominator Flange Throttle Body
Holley EFI Dominator Flange Throttle Body
LS 90mm TB w/cable drive and taper
Overview
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!
Features:
- Lightweight billet design (4500 bolt pattern)
- Dual throttle blades for maximum airflow
- Shafts ride on roller bearings for ultra-smooth throttle actuation
- Flows 2550 CFM
- Versions with and without supplemental injector provisions (4 injectors per TB and rails)
- Non-contact magnetic TPS sensor ???? Bringing Pro Stock and ARCA Technology to your ride!
Details:
- Billet Color: Clear
- Bolt Pattern: Dominator Flange
- CFM: 2550
- Material: Billet Aluminum
- Throttle Bore: 25.8 Sq Inches
Links
Instruction Sheet
Original: $2,254.95
-70%$2,254.95
$676.48Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
LS 90mm TB w/cable drive and taper
Overview
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!
Features:
- Lightweight billet design (4500 bolt pattern)
- Dual throttle blades for maximum airflow
- Shafts ride on roller bearings for ultra-smooth throttle actuation
- Flows 2550 CFM
- Versions with and without supplemental injector provisions (4 injectors per TB and rails)
- Non-contact magnetic TPS sensor ???? Bringing Pro Stock and ARCA Technology to your ride!
Details:
- Billet Color: Clear
- Bolt Pattern: Dominator Flange
- CFM: 2550
- Material: Billet Aluminum
- Throttle Bore: 25.8 Sq Inches
Links
Instruction Sheet






















