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 105 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 black 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.

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
• 105 mm throttle body opening with stock 4-bolt pattern

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

SPECIFICATIONS:
Color: Black
Fuel System Type: Electronic Fuel Injection
Gasket Or Seal Included: No
Grade Type: Performance
Height: 5.120 in.
Intake Manifold Flange Style: 4150 Square Bore
Main Port Inside Diameter: 105 mm
Manifold Absolute Pressure Sensor Port Included: Yes
Material: Aluminum
Meth Injection/Boost Reference Port Thread Size: (2) 0.125 in. NPT
Meth Injection/Boost Reference Ports Included: Yes
Mounting Hardware Included: Yes in.
Mounting Hole Quantity: 4
Nitrous Port Included: Yes mm
Nitrous Port Thread Size: 0.0625 in. NPT
Port Plugs Included: Yes
Port Quantity: 1
Quantity: Sold individually
Quantity: Sold individually
Throttle Body Bore Size: 105 mm
Throttle Cable Bracket Included: Yes
Vacuum Port Thread Sizes: (1) 0.375, (2) 0.250 in. NPT
Vacuum Ports Included: Performance