| | modification to the design of the main shaft bearing race positively prevents ... the race from walking into the mainshaft seal and potentially destroying the ... front pulley when used with a stock rear pulley the supplied 34-tooth pulley ... optimum final drive ratio with stock rear pulley same as most overdrive six- ... speeds pulley is 30 lighter than stock · available as ... gear set cassette only available for installation in stock or aftermarket transmission ... assembly optional parts 750597 improved mainshaft bearing race 750596 oil filler spacer ...
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