Top Street Performance Velocity 102 mm Single-Blade Throttle Body 81012BK for GM LS-Series

Upgrade your GM LS-Series engine’s air intake with the Top Street Performance Velocity throttle body, part number 81012BK. Designed with a stock-style flange for straightforward installation, this throttle body features a large 102 mm single-blade opening to support increased airflow for performance-oriented applications. Its billet aluminum construction provides strength and durability while maintaining a clean, purpose-built appearance.
The black anodized finish adds corrosion resistance and complements a wide range of engine compartments. The precision-engineered design is suited for enthusiasts and builders seeking improved throttle response and dependable operation without replacing the factory-style mounting arrangement. This unit is supplied as an individual throttle body and is intended for compatible GM LS-Series applications.
The Top Street Performance 81012BK combines high-flow capability with a durable billet aluminum body and smooth single-blade operation. Before installation, verify compatibility with your intake manifold, throttle linkage, electronic or cable-operated controls, sensors, and overall engine configuration. Professional installation and calibration may be recommended to ensure proper fitment and performance.

Features:

• Brand: Top Street Performance

• Part Number: 81012BK

• Application: GM LS-Series engines

• Throttle Bore: 102 mm single blade

• Flange Style: Stock flange

• Material: Billet aluminum

• Finish: Black anodized

• Quantity: Sold individually

• Air Restricted: No

• Truck Freight Only: No