Home Shop Primary Belt Drive Kits Primo Brute II Extreme 11 mm Belt Drives for 4-Speed Big Twin
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Primo Brute II Extreme 11 mm Belt Drives for 4-Speed Big Twin

Early model belt drives featuring the ultra severe-duty 11mm Aramid Polychain belt. These belt drives are designed for enclosed primary fitment, either within aluminum primaries or within tin (stamped steel) covers. For the later aluminum primary models (1965-1984) two kits are offered for kickstart and electric start models. The earlier tin primary models are available for tapered (1937-1954) or splined shaft (1955-1964) applications, kickstart only.

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Due to various circumstances (improper selection, installation and maintenance) and applications under which belt drives are used, W&W Cycles is not liable for damaged belts.

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