Performance Workshop is a renowned High Performance Volkswagen shop located in Riverside, California, specializing in ported and polished cylinder heads for aircooled VWs, as well as offering top-quality engine building, dyno, and machine services.
Owned by Steve Tims, a veteran in the aircooled VW industry since the early 70's, Performance Workshop, together with his son Greg, builds exceptional cylinder heads and engines that cater to customers worldwide.
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