Elliptical Roller Barrel throttle bodies

for your

Air cooled Porsche 911

We make bespoke ITBs for the air cooled engine sizes from 2.7 - 4.0 liters. 

The barrels come in three different sizes, small bore, medium bore and large bore.

The manifolds are machined to fit the different port and barrel sizes.


Small bore


These are for the 2.7 - 3.0 engines with 2-stud heads.

Specifications:


  • Roller Barrel Throttle Bodies, hard anodized.
  • Complete throttle linkage incl. rod ends. Ready to fit no modifications needed.
  • Fuel rails incl. bracket for short or long injectors.
  • Intake bore options: 39mm or 41mm diameter
    • Or contact us for your choice.
  • Price: € 6,800.-


Optional:

  • Stacks/trumpets 45mm bore, lenghts 120mm
  • Price: € 445.-

Medium bore


These are for the 3.2 - 3.6 engines with 2 or 3-stud heads.

Specifications:


  • Roller Barrel Throttle Bodies, hard anodized.
  • 2-stud head intake bore 42mm.
  • 3-stud head intake bore 42 or 45mm.
    • Or contact us for your choice.
  • Complete throttle linkage incl. rod ends. Ready to fit no modifications needed.
  • Fuel rails incl. bracket for short or long injectors.
  • Price: € 6,900.-


Options:

  • Stacks 48mm bore, lenghts 120mm. € 445.-
  • Plenum flanges 48mm bore, OD 54mm. € 135.-

Large bore


These are for the 3.6 - 4.0 engines with 3-stud heads.

Specifications:



  • Roller Barrel Throttle Bodies, hard anodized.
  • Intake bore 45mm.
    • Or contact us for your choice.
  • Complete throttle linkage incl. rod ends. Ready to fit no modifications needed.
  • Fuel rails incl. bracket for short or long injectors.
  • Price: € 7,400.-


Options:

  • Stacks 50mm bore, lenghts 120mm. € 535.-
  • Plenum flanges 50mm bore, OD 57mm. € 135.-

When ordering


To be able to give you the right option for your car please inform us about the following:



  • Engine size: 2.7 - 3.0 - 3.2 - 3.5 - 3.6 - 3.8 - 4.0 
  • Cylinder hear type: 2-stud or 3-stud.
  • Intake bore: Diameter in mm.
  • Air conditioning compressor: Yes or no.
  • Fuel injectors: The ITBs are made for the EV6 type injestor. Other injector type can be made to order.



Air conditioning compressor option with flat right hand side throttle body.

Installation guide