Our BilletInlet stubs are the perfect addition to any NA twinkam build using the factory throttle bodies, or maybe you want the highest quality runners to form the start of a turbo plenum?
 
Features include:
 
- CNC Billet 6061 Aluminium
- Retains factory o-ring seals
- Allows fitment of standard BMW throttle bodies
- Allows fitment of standard BMW fuel rail
- Perfect for welding to a plenum base for form a high quality full turbo inlet manifold
 
 
Available as individual units, or a set of 4 with seals and fasteners
 
Made to order, please contact us for exact lead times.