Parts for Gear Case
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Cannonball Gear Set for OHV 1936-1953
Opened up the gear case of your just acquired Knuckle or early Pan engine to ... more
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Custom Oil Screen Case Plugs
Chrome-plated plug as replacement for slotted oil screen plug, that is ... more
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Pinion Shaft Oil Pump Drive Gears for OHV Big Twin 1939→
Pinion shaft drive gears for the oil pump. Indicated years refer to the stock ... more
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S&S Breather Valves
Stock replacement breather valves by S&S for all OHV Big Twins 1936–up. more
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S&S Crankcase Breather Reed Valve Evolution
The Evolution style S&S breather reed valve replaces the standard rotary ... more
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Thrust Washer Sets for Breather Valve
Steel thrust washers for original and S&S breather valves. more
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Tachometer Block-off Plug for Sportster
Chrome-plated plug that installs in lieu of tachmeter drive. more
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S&S Circuit Breaker and Generator Drive Gears
High quality circuit breaker and generator idler gears by S&S for generator Big ... more
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S&S Pinion Gears
Pinion gears in proven S&S quality. The color code is identical to the ... more
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Jims Pinion Gears
Pinion gears in proven JIMS quality. The color code is identical to the ... more
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Hydraulic Cam Chain Tensioner Plate Upgrade Kit
This kit updates the cam chain tensioner of your early-model Twin Cam 88 engine ... more
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Spacers for Cam Shaft
This kit is needed for installing the Hydraulic Cam Chain Tensioner Plate ... more