Accufab 70mm polished billet aluminum throttle body for 1984-87 Buick Regal GN 3.8 V6 turbo

Original price was: $359.99.Current price is: $319.00.

 Accufab 70mm B70

SKU: Accufab B70 Categories: ,


New Accufab 70mm billet aluminum throttle body for 84-93 GM 3.8 and 4.3 V6 turbocharged engines

Accufab offers a high performance throttle body for the Buick Grand National, model years 1986 – 1987. Replace your Buick GN’s restrictive stock throttle body with our top of the line unit and get your engine the air it’s lacking.

Better Air Flow for More Power. This upgrade will improve your GN’s throttle response and horsepower. It’s the perfect starting point for future modifications.

Exceptional Quality. This throttle body is CNC machined from 6061-T6 billet aluminum and the exterior is polished to an eye-catching finish. The shafts are also CNC machined from stainless for durability and quality, with brass blades and the highest quality bushings and screws. Only the best components are used for unparalleled reliability and performance. Manufactured in the USA.

Application. The Accufab throttle body is specifically designed as a direct bolt on for use on the 1986-1987 Buick Grand National 3.8L V6. This throttle body is intended to be used with your OEM linkage, not provided.

Accessories Included. Each Buick throttle body includes a throttle body gasket and mounting hardware.

The optional step hose will attach the 2 ½-inch OEM turbo output tube on the Buick GN to the 3-inch outside diameter 70mm Accufab throttle body. Not required for the Accufab 65mm Buick throttle body.

84-87 Buick Regal – 3.8 V6 turbocharged engines 

86-87 Buick Grand national 3.8 V6 turbocharged engines

91 GMC Syclone 4.3 V6 turbocharged engine

92-93 GMC Typhoon 4.3 V6 turbocharged engine


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