Bosch 54mm Throttle Body Flange

Shearer Fab's Bosch Motorsport 54mm weld on billet throttle body flange.

Perfect for those looking to control boost with Bosch's throttle body flange or for the DIY'er  looking to fabricate their own intake manifold.  

Features...

• 54mm ID.
• Bosch 60x60 Bolt Pattern, M6x1.0 holes.
• Radius'd backside for higher laminar flow.
• 18mm/.7" this 6061 aluminum flange.
• Captive O-Ring groove.
• O-Ring Included.