Supertech Performance, based in San Jose, California, makes valves and valvetrain parts for racing engines.
Purchasing anything for your build or rebuild?
Supertech has over 30 years of experience making high-performance valves and valvetrain components, for drag racing, rally, road racing and other motorsport. If a catalogue part does not suit an engine, it makes custom valves to order.
The range goes beyond the cylinder head, to pistons, connecting rods and head gaskets, for car and powersports engines.
GP Turbos is an independent turbo specialist in Scunthorpe: we build hybrid turbos and carry out turbo rebuilds. Supertech Performance and its logo are trademarks of their owner, used here only to identify their products. The product details on this page are summarised from the company's own published information.