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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
The ports are much larger
shorty style brake lever
Extended Throttle Cable W/Carb Cap
Increase your displacement
Clutch cover gasket ($3 savings)
TB Race Head 88cc Big Bore kit and 20mm Carburetor Performance Kit Body The ports are much largerTB Race Head, 88cc Bore & 20mm Carb Kit Z50R, XR50, XR70 and Other Models This complete 88cc Race Head Kit will really wake up your stock engine and is comparable in power to the much larger Chinese 124cc engines!!! They are extremely reliable as well! This kit works on the following models: 88 thru present Z50R, XR50, and CRF50 All XR70 and CRF70 (Note: For the 88 91 Z50R, the newer style 2 bolt cam sprocket will be needed. We have them available in
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