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Clutch kit »Pro-Clutch« by Rivera Primo

Item №
80-580

Update your old 4-speed Big Twin from the old coil spring clutch to the late style diaphragm spring clutch which proved to be superior right from the start when it was introduced in 1985 on Evo Big Twins plus the Pro-Clutch friction area is increased by almost 100%, which allows a decrease in diaphragm spring pressure. For the rider this means less effort at the hand lever, smooth control and still excellent horsepower handling potential. Repeated burn-outs or two-up serpentine riding in the mountains with frequent clutch dragging are no problem for a Pro-Clutch. All kits install quickly and easily into the stock chain housing. The kits for 4-speed Big Twins from 1936–84 come with a durable double-row ball bearing that replaces the shaky stock “caged bearing” for a sturdy connection between mainshaft, hub, and basket. The stock clutch basket may be retained. All Pro-Clutch kits include a clutch hub, friction plates and steel plates, stainless steel pressure plate, diaphragm spring, spring retainer, four shoulder nuts, a clutch hub nut with seal, and installation instructions.

  • fits 4-speed Big Twin models 1936-1984 with front chain drive or belt drive
  • steel / spring steel / aluminum
  • gross weight: 5.01 kg
Price incl. VAT*
834.09 €
* The price includes 133.17 € German VAT (19% or reduced rate of 7% for Books).
In stock. Ready for immediate delivery from our Würzburg, Germany warehouse
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