Universal 4BBL Billet 1000 CFM Throttle Body
Type: Throttle Body

If you're thinking of building either a high performance or race multi-point fuel Injection system for your engine, look no further than Holley for your throttle body. Holley offers a line of universal throttle bodies that range in sizes from 1000 CFM to 2000 CFM and are available with standard square bore or Dominator® flanges. These billet beauties will provide all the air your motor can ingest. Sporting premium design features that enhance their ruggedness and durability, Holley performance throttle bodies are built to take the most severe usage. They'll look great as well sitting on top of your street rod or street/strip engine. They have the looks to go with the brawn.
Features:
- Universal fit
- CNC Billet Construction
- Progressive Linkage System
- 1000 CFM
- 4150 flange
- More Precise Throttle Control
- Better Drivability
- Maximum Airflow
- Minimizes Air Turbulence
Specs:
- Adjustable: Yes
- Barrels: 4
- Billet Color: Clear
- Bore Diameter: 4x1.75 IN
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- CFM: 1000
- Emission Code: 4
- Flange Style: 4150/4160 Square Bore
- Fuel Injectors Included: No
- Fuel System Type: EFI
- Gasket Or Seal Included: No
- Grade Type: Performance
- Height: 2"
- Idle Air Control Motor Included: Yes
- Material: Billet
- Mounting Hardware Included: No
- Part Type: Fuel Injection Throttle Body
- Product Type: Throttle Body
- Sub Category: Fuel Injection System and Related Components
- Throttle Body Finish: Polished
- Throttle Body Material: Billet Aluminum
- Throttle Body Spacer Included: No
- Throttle Bore: 1.750 inch
- Throttle Position Sensor Included: Yes
Tech Resources:
Throttle shafts are offset with respect to the throttle plates so engine vacuum will assist throttle plate closure.
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.

