759 SCORPION CLUTCH 51-C37220 Scorpion Clutch Kit 71-85 Sportster 51-C37320 Scorpion Clutch Kit 86-90 Sportster 51-C37420 Scorpion Clutch Kit 91-up Sportster 51-C38220 Scorpion Clutch Kit 36-84 Big Twins 51-C38330 Scorpion Clutch Kit 86-89 Big Twins 51-C38420 Scorpion Clutch Kit 90-97 Big Twins 51-C38520 Scorpion Clutch Kit 98-06 Big Twins (except 06 Dyna) 51-C38521 Scorpion Clutch Kit 07-10 Big Twins (incl. 06 Dyna) 51-C38600 Scorpion Clutch Kit 11-15 Big Twins 51-C38601 Scorpion Hydraulic Clutch Kit 11-15 Big Twins Design features: • Provides smooth, positive engagement and release • Fits stock clutch basket • Billet aluminum & steel • Change springs without removing primary cover Replacement clutch kits for the Barnett Scorpion Clutches Includes both Friction plates and steel plates. 51-207043 Scorpion Clutch Repl. Kit for 37220 51-206043 Scorpion Clutch Repl. Kit for 37320 51-205043 Scorpion Clutch Repl. Kit for 37420 51-202043 Scorpion Clutch Repl. Kit for 38220 51-203043 Scorpion Clutch Repl. Kit for 38330 51-201043 Scorpion Clutch Repl. Kit for 38420 51-204043 Scorpion Clutch Repl. Kit for 38520 SCORPION CLUTCH Barnett's Scorpion Billet Clutch features over twice as much friction surface area compared to your stock clutch. All Scorpion™ clutches provide a positive engagement and release. The age-old problem of "finding neutral" is virtually eliminated and shifting through the gears becomes smooth and precise. Steel spacers on the clutch pack ends eliminate wear on the aluminum surfaces. Scorpion™ Billet Clutches incorporate 6 heavy-duty coil springs. In addition, an extra spring set with a different spring rate is included which allows the clutch to be turned from mild (street) to wild (race), depending on the usage. Tunability is easy without the removal of the primary cover. Barnett Friction Plates are compatible with any primary oil; dry friction compounds are also available. This kit is made to be used with the stock Harley Davidson® clutch basket.
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