Fabspeed Long-Neck Intercooler for Porsche 911 Turbo 930 1976-1989

VENDOR: Fabspeed


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High performance long-neck intercooler upgrade engineered for optimum flow efficiency and maximum cooling, lowers intake temperature while improving flow for maximum power gains.

Developed of our own project street and race vehicles, fitment and function was incredibly important for us. The increased surface area and internal volume allows for much greater heat dissipation, increasing power and sustaining it by preventing heat soak. Not just for track use, our intercooler also shines on a street car where the OEM intercooler falls short from the factory. The silicone hoses reduce any risk of tearing and smooth air flow while the replacement bypass valve is designed for performance use; drive your 930 passionately and enjoy the increased reliability, power, and sound. Included are silicone tubes that ELIMINATE all leaky O rings. Silicone hoses guarantee all boost is obtained all the time.

The Long-Neck term refers to a intercooler outlet extending and connecting directly to the throttle body. The Long-Neck style intercoolers serve to replace and do not intermediately pass through the original equipment air by-pass valve system, also known as the shuttle valve.

The Air by-pass Valve System. These large and heavy systems were found on the 930 Turbo models and later updated / removed by the factory. The housings were an intermediate component between the intercooler and the intake manifold with integration to the Bosch K-Jetronic emissions control system. The assembly serves to regulate and by-pass excess pressure back into the intake circuit. It does this with a vacuum actuated piston, compression spring and diaphragm regulator. These are wearable components are often the cause of common drivability problems and lethargic engine response. Input ports for the boost gauge and limiting sensors are also referenced on this assembly. The 1991-1994 965 C2 Turbo models updated to a less complicated, lightweight boost control valve. The Fabspeed intercooler also removes and converts to the long-neck and newer style boost control valves. This greatly improves drivability with sharpened boost response further enabling the turbocharger to spool up quicker.

Additional Information:

HP (whp) TQ (ft/lbs) WT (lbs)
+ 40 + 29 10 lbs / 4.5 kg


  • Fits all Porsche 911 Turbo 930 vehicles worldwide including 930S slantnose. (1978-1989)
  • Available for factory OEM turbo model LDZ or upgraded K27 turbos
  • Increases horsepower and torque by 40 whp and 29 ft-lbs
  • Flow as much as 900 CFM @ 2.6/1 pr ratio with less than 1 PSI drop
  • Cubic inch volume mass increase from 258 Stock to 650 cubic inches
  • C2 Turbo long-neck style with no O-Rings for a leak proof charge. No more 1950's - 60's failure prone O-Rings.
  • Intercooler Kit includes bypass valve, bypass sleeve, rubber elbow, 5-ply silicone hoses, and all mounting hardware necessary for installation.
  • Utilizes factory fitting location with water/methanol injection port included.
  • Includes gaskets and shields to seal intercooler to stock deck lid like the Porsche Factory System.
  • Direct bolt-on replacement for OEM intercooler.
  • <>An improvement is design, function and style over the Koekeln intercooler.
  • All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

Installation Instructions:

For Instructions on how to install your product please see the PDF below:

INSTALL GUIDE - Porsche 911 Turbo (930) Long Neck Intercooler

Vehicle Fitment:

PORSCHE 911 Turbo 930 1976-1989

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.