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- Knucklehead engine case set includes case bushings standard size rollers
- Oil from top end returns through pushrod tubes
- Does not return through cylinder base
- Case accepts loose roller bearings on the sprocket and pinion shaft side
- Case set is designed for replacement of the original cases
- No serial numbers are provided with these case sets
- A Bill of Sale will be issued for blank cases
- Case set includes pinion and sprocket shaft races
- Use 2 gaskets when mounting the oil pump body for proper clearance
- Numeral "7" stamped on rear motor mount halves, to denote 74 cubic inch
- Fits 1941-1947 FL models