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Welcome to Clewett Engineering

Since 1989, our customers have enjoyed innovative and top-notch performance solutions.

Clewett Engineering specializes in providing high-performance ignition, fuel, and induction upgrades. Our focus is primarily air-cooled Porsches and classic water-cooled models. Please feel free to browse our website catalog, or contact us for a consultation on the best solution for your needs.

Performance parts for factory-based systems such as our high performance spark plug wires or serpentine belt conversions for the cooling fan/alternator are also popular upgrades.

We offer full Electronic Fuel Injection (EFI) kits utilizing modern standalone ECUs and port fuel injection, programmable crank-triggered (distributor-less) ignition systems for MFI, carbureted, or even CIS cars needing only an ignition upgrade, or the full engine package including our in-house design of EFI Individual Throttle Bodies (ITBs). Each kit can be customized for your particular application and goals.

Visit News & Updates to find special offers and new products!