Dual IDF Throttle Bodies Outside Injectors - VWSS

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If you are looking for a set of throttle bodies to replace your weber carbs, these die cast IDF replacement throttle's in your VW these are leading the pack! They are available in 36mm, 40mm, and 45mm to suite a wide variety of engine configurations.
Throttle body sizing; unlike a carb is the direct bore size. You can think of a 44IDF with 40mm venturi to be the same as a 40mm throttle body.

 

• Tapered bore design
• Drilled injector boss
• 1/8" NPT vacuum port
• M12x1.5 IAT port 
• Or idle air control
• O-ring seals to manifold
• Down push linkage arms standard

Included:

• TPS Sensor
• Stainless fuel rails with 06AN fittings
• Bosch M12x1.5mm IAT sensor
• Hex bar linkage riser plate (not pictured)

Options:

• 36mm Tapered Bore - Stock to mild applications
• 40mm Tapered Bore - Standard Performance
• 45mm Tapered Bore - High Performance race applications
• Injector port plugs (not pictured)

Typically for type 1 with manifold mounted injectors

There will be variables but a generalization can be:
36mm supports ~ 150 crank hp NA 
40mm supports ~ 200 crank hp NA
45mm supports ~ 250 crank hp NA