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  4. HR-Series
Tillotson HR carburetor has its history in medium to larger displacement OE 2-cycle engines. We use the HR on many different open race engines from small open 2-cycles to larger open 4-cycles. There are only a couple HR models still available. If you are needing to find a replacement for your vintage machine or a carburetor for an open engine let us help you get the right carburetor for your application.