Feature: 10 Tooth sprocket. Fits a 420 chain. 19mm metric bore. HD 420 chain clutch and sprocket set for import Gokart and Buggy engines with parallel 19mm engine drive shafts. Type: Centrifugal Clutch Color: Black Material: Steel Package Included: 1 x Centrifugal Clutch Package Included: 1 x Centrifugal Clutch +1x 420 chain.
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