Billet 4500 EFI Throttle Body Intake Elbow-Ls
Type: Intake Elbow
These machined billet aluminum EFI intake elbows allow the use of GM LS throttle bodies on any intake manifold w/ the 4500 mounting flange. Our design incorporates an optimized transition from the throttle body to the intake plenum for maximum airflow and distribution. Dual throttle cable mounting bracket bosses are included while the 4500 flange pattern allow the elbow & throttle body to be mounted forward, sideways, or rearward. The throttle bracket is included.
Features (4) vacuum ports, MAP sensor port, machined / port matched to 4500 gasket, and 100° throttle body angle for extra hood clearance. Includes billet MAP sensor port cover, gaskets & hardware. The port design spacing will also allow a transducer to be used if a MAP sensor is not needed. The intake flange has an o-ring groove for a positive flange seal and the o-ring is included as well.
Features:
- Fits GM LS Throttle Bodies
- 105mm Throttle Body Opening - 100° Mounting Angle
- Fits Intakes w/ 4500 Flange- designed to use the included o-ring for sealing
- The 4500 square flange pattern allows Forward, Sideways or Rearward Throttle Body Mounting
- LS3 Style MAP Sensor Mounting
- (4) vacuum ports, MAP sensor port,
- (2) Throttle Linkage Mounting Bosses
- Machined Billet finish
- Overall Height 6.38”
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Color: Silver
- Construction: Cast
- Emission Code: 3
- Engine: GM LS1/LS2/LS6
- Finish: Silver
- Fuel System Type: EFI
- Gasket Or Seal Included: Yes
- Height: 6.3"
- Material: Billet Aluminum
- Part Type: Fuel Injection Throttle Body Adapter
- Product Type: Intake Elbow
- Sub Category: Hardware, Fasteners and Fittings
- Throttle Bore: 105mm
- Warranty: Limited 90 Day
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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.
