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Heat Duct Block Off & Fan Block Off

A heat duct and fan block-off for the Porsche 964 Carrera (1989-1994), replacing the factory blower motor assembly and ductwork to clean up the engine bay for easier access. It's an exact replica of the part Porsche Motorsport used on its factory lightweight 964 Cup and 964 RSR race cars, and it saves 10 lb from the rear of the car, well suited to summer driver's education days and club racing where cabin heat isn't needed. Installation is a simple DIY job. Owners who'd rather not do it themselves can book it in with Rennen Motorsport or an authorised dealer instead.
Frequently asked
Does the Heat Duct Block Off & Fan Block Off fit my 911 Carrera?
This listing is specific to the Porsche 911 Carrera (964). Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
What's this best suited for?
It's aimed at summer track and driver's education use, where you don't need cabin heat and want to save weight and clean up the engine bay.
How much weight does it save?
10 lb from the rear of the car by removing the blower motor assembly and ductwork.
Is this a Fabspeed original design?
No, it's an exact replica of the block-off Porsche Motorsport used on its factory lightweight 964 Cup and RSR race cars.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
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