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Top Street Performance

GM LS 4150 104MM EFI Throttle Body Intake Elbow - Carbon Fiber

GM LS 4150 104MM EFI Throttle Body Intake Elbow - Carbon Fiber

SKU: 81602

$540.65
$540.65 $614.38
Shipping calculated at checkout.

Low stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Throttle-body airflow design supports dependable throttle response and properly matched EFI airflow characteristics.
  • Carbon Fiber elbow construction with black finish helps position the throttle body while maintaining clean engine-bay fitment.
  • Vacuum port and MAP sensor port 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.

Description

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. These dimensions should be checked against hood clearance and throttle body placement.

Elbow Construction & Layout
Carbon Fiber construction with a black finish The elbow helps create a clean transition between intake manifold and throttle body.

Sensor / Port Provisions
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.

Specs

Intake Elbow Type Elbow
Throttle Body Bore Size 104 mm
Throttle Body Bolt Pattern Holley 4150
Intake Elbow Material Carbon Fiber
Intake Elbow Color Black
Quantity Sold individually
Mounting Hardware Included Yes

Engine Fitment

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III/IV (LS BASED)
• 4.8 L / 293 in3
• 5.3 L / 325 in3
• 5.7 L / 346 in3
• 6.0 L / 364 in3
• 6.2 L / 376 in3

NOTES
• Fits intake with Holley 4150 carburetor flange
• 104 mm throttle body opening with stock 4-bolt pattern

COMMON VEHICLE APPLICATIONS:
Chevrolet Silverado
GMC Sierra
Chevrolet Camaro
Chevrolet Corvette

Q&A

Emissions Notice

This product is legal for off road use and non pollution controlled vehicles (1965 & older); however, it has not been tested or approved by the California Air Resources Board (CARB) for highway vehicles in the state of California. By purchasing this product, buyer agrees it will not be used on pollution controlled vehicles in California, or in a state with similar emissions regulations.