517993 Motor sprocket nut
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Iron City Dealer
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Specifications
- Brand
- MCS
- Part Number
- 517993
- OEM Reference
- 7991
- Pack Quantity
- Each
- Category
- Motor Sprocket Nuts
- VAT Rate
- 20%
About This Product
MCS motor sprocket nut. Fits 1929 to 1973 45 inch Sidevalve models, both Solo and Servi-Car. Threads onto the crankshaft and clamps the motor sprocket. Replaces OEM 7991. Torque it to spec and use a new tab washer if the old one is chewed. A loose nut here will wreck the primary drive and the shaft.
Manufacturer part number: 517993.
Fitment
29-73 45" SV
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