1978-1987 Grand Prix Velocity Series 102MM 4 Bolt LS Throttle Body, Silver Finish 81012SL

Featuring a CNC-machined aluminum housing, this large throttle body provides maximum airflow for mid to high range horse power engines. Combined with a Top Street Performance fabricated intake manifold, this will give your street or strip car a cosmetic and performance boost guaranteed to turn heads. This billet aluminum throttle body is a great and economical way to increase the overall performance of your LS powered Grand Prix and the ideal compliment to a fabricated intake manifold from Top Street Performance. The large 102mm bore is guaranteed to supply maximum airflow for a high-horsepower set-up. Features like the progressive throttle pulley, double return spring, and an adjustable throttle stop ensure consistent throttle response and idle control.

Features and Specifications:

• Injection Style:Multi-port
• Throttle Style:Drive By Cable
• Throttle Bore Size:102mm
• Throttle Body Bolt Pattern:Standard OE 4-Bolt Pattern
• Throttle Body Material:Billet Aluminum
• Ventrui Quantity:1
• Idle Air Control Motor:GM #17113598 (Not Included)
• Throttle Posistion Sensor:GM #17123852 (Not Included)
• Included:Mounting Bolts

Manufacturer Part Number : 81012SL

Part Notes:

Will not fit 92mm intake manifolds.