GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Polished

• Throttle-body airflow design supports dependable throttle response and properly matched EFI airflow characteristics.

• Aluminum elbow construction with polished finish helps position the throttle body while maintaining clean engine-bay fitment.

• Performance and Yes provisions should be planned around sensor routing and accessory clearance.

• Commonly used in Chevrolet Silverado, GMC Sierra, and Chevrolet Camaro LS applications; verify intake and ECU compatibility before installation.

Designed for GM LS fuel injection applications, this throttle body elbow helps adapt EFI throttle body placement to 4150-style intake layouts while supporting clean airflow routing.

Throttle Body Adapter Fitment
Main port inside diameter is 104 mm. Intake manifold flange style is 4150 Square Bore. Height is listed as 5.120 in.. These dimensions should be checked against hood clearance and throttle body placement.

Elbow Construction & Layout
Aluminum construction with a polished finish and throttle cable bracket included: Yes. The elbow helps create a clean transition between intake manifold and throttle body.

Sensor / Port Provisions
MAP sensor port included: Yes. Vacuum ports included: Performance. Nitrous port provision: Yes mm. Plan sensor placement, vacuum routing, and accessory clearance before installation.

Installation & Clearance Matching
Common use cases include Chevrolet Silverado, GMC Sierra, Chevrolet Camaro. Verify throttle body size, 4150 flange compatibility, cable bracket needs, and hood clearance before final assembly.

What applications is this throttle body compatible with?
This throttle body is designed for CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED).

Will this throttle body fit GM LS applications?
Yes, this throttle body is designed for compatible GM LS-based applications and should be matched to the correct intake and electronics.

What size throttle body is this?
This throttle body features a 104 mm bore size, which can affect airflow capacity and overall engine performance.

Do I need to verify flange compatibility before installation?
Yes, flange pattern and sealing surface compatibility should always be confirmed before installation.

What type of throttle body is this?
This is a performance throttle body designed for electronic fuel injection applications.

Will this throttle body help improve throttle response?
Yes, a properly matched performance throttle body can help improve airflow response and throttle feel compared to a more restrictive stock-style unit.

Do I need to match the throttle actuation style to my setup?
Yes, throttle actuation style must match the intended control setup for proper operation and installation.

Do I need to verify sensor compatibility before installation?
Yes, throttle body sensor and connector compatibility should always be confirmed against your engine management system.

Does this throttle body include a MAP sensor port?
Yes, this throttle body includes a MAP sensor port provision to support compatible engine management setups.

Do I need additional parts for installation?
Depending on your setup, you may need a gasket, hardware, adapters, or tuning support during installation.

Is this throttle body a good upgrade from stock?
Yes, this throttle body is a strong upgrade for compatible applications that need improved airflow, better throttle response, and performance-oriented fit and finish.

Will this throttle body help support added airflow demand?
Yes, a properly matched performance throttle body can help support engines with intake, camshaft, cylinder head, or forced induction upgrades that demand more airflow.

Do I need tuning after installing a throttle body?
Depending on the application and the size change, tuning may be recommended to get the best drivability and performance results.

Does the polished finish affect performance?
No, the polished finish is cosmetic and does not change throttle body performance—it gives it a bright show-quality appearance.

How do I maintain the polished finish?
Regular cleaning and occasional polishing will help maintain the shine and reduce surface oxidation over time.