31-0004 70-84 crankcase assembly, 3-5/8" bore. Natural
Fits: 70-84 Shovelhead with 3-5/8" big bo…
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Specifications
- Brand
- S&S
- Part Number
- 31-0004
- OEM Reference
- 26190-73
- Pack Quantity
- Sold as a set
- Category
- Crankcases
- VAT Rate
- 20%
About This Product
S&S Superstock crankcase assembly for 1970-1984 Shovelhead models with 3-5/8 inch big bore. Sold as a set in natural finish. Cast from 356-T6 aluminium. The Timken main bearing races, cam needle bearings, and pinion shaft race come installed and line-honed. The kit includes cylinder studs, nickel-plated case bolts, and all necessary fittings. Replaces OEM reference 26190-73. Check the line-bore and bearing clearances before final assembly.
Manufacturer part number: 31-0004.
Fitment
70-84 Shovelhead with 3-5/8" big bore
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