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
For 2.7 - 3.0L 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 custom choice
Optional:
Stacks/trumpets 45mm bore, lengths 120mm - $670
Medium Bore
For 3.2 - 3.6L 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
Complete throttle linkage incl. rod ends. Ready to fit, no modifications needed
Fuel rails incl. bracket for short or long injectors
Or contact us for your custom choice
Optional:
Stacks 48mm bore, lengths 120mm - $670
Plenum flanges 48mm bore, OD 54mm - $200
Large Bore
For 3.6 - 4.0L engines with 3-stud heads
Specifications:
Roller Barrel Throttle Bodies, hard anodized
Intake bore 45mm
Complete throttle linkage incl. rod ends. Ready to fit, no modifications needed
Fuel rails incl. bracket for short or long injectors
Or contact us for your custom choice
Optional:
Stacks 50mm bore, lengths 120mm - $800
Plenum flanges 50mm bore, OD 57mm - $200
When Ordering
To provide you with 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 head 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 injector. Other injector types can be made to order.
Note: Air conditioning compressor option with flat right hand side throttle body available.
Let's Build Something Special
Contact us to discuss your project. We're here to help you achieve your performance goals.