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Welcome to GT Series 1!

Glenn Yee Motorsports GT Series 1 has been rebuilding, porting, and polishing oil pumps for Porsche engines since 1981 in San Dimas, California. Glenn's pumps have seen service in Porsche vehicles competing at virtually every road race venue in the United States. His pumps have also gone to Canada, France, Switzerland, Taiwan & United Kingdom and Australia! GT Series 1 ported and polished oil pumps can be used in race cars, club cars, and street use cars all of which can benefit from 20% or greater oil flow resulting in increased oil pressure both hot and cold for all models.

GT Series 1 also offers their Distributor Rebuilding service including recurving for all 6 cylinder single and dual ignition distributors and Chain Tensioner Rebuilding Service including Viton seals, internal modifications, and polishing for improved longevity and performance.

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