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Product details
These Fabspeed CUP-style block-off pieces are intended for a Porsche 964 Carrera being converted away from the original heater-blower and duct arrangement. They close the relevant openings after the equipment is removed and improve access around that part of the engine bay. Fort Washington, Pennsylvania, is home to Fabspeed Motorsport. The company engineers sports-car exhaust systems, air intakes and ECU tuning, including Porsche applications, with product development involving dyno, road and racetrack evaluation.
Technical Details
- Manufacturer part number: FS.POR.964.HFBO.
- Replaces the blower-motor assembly and associated ductwork in the stated conversion.
- Manufacturer-reported weight reduction: 10 lb.
- Aftermarket pieces based on the lightweight Cup/RSR arrangement.
- Fabspeed describes a straightforward installation for the listed application.
- Covered by the Fabspeed Lifetime Warranty, subject to its terms and exclusions.
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Fitment & Compatibility
| Years | Make | Model / chassis | Version / application | Fitment notes |
|---|---|---|---|---|
| 1989–1994 | Porsche | 964 Carrera | Heater/fan block-off conversion | Confirm the actual fan/duct arrangement and complete heater plan. This is not an RS heater tube that preserves heating. |
For 1989–1994 Porsche 964 Carrera. Establish the complete heater plan before ordering: these block-offs are not equivalent to an RS heater tube that routes air to retain heating. Confirm the fan and duct configuration of the actual car.
PMB Performance brings over 20 years of Porsche parts experience to your order. Send us your VIN and details of the installed system if you need help matching this component.
