The S&S Super Stock alternator style crankcases are perfect for stock replacement and for high performance applications. Pre-clearanced for strokes up to and including 5". S&S Super Stock crankcases are compatible with stock 1970-'99 flywheel assemblies, primary covers, gearcovers, and clearanced for 38 amp alternator stators. 3-5/8" bore for 1970 - 84 Harley-Davidson big twin. Natural finish.
NOTES:1981-'84 style oil pump. Includes primary scavenge port machining. Machined for 1970 & later alloy primary
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Manufacturer: S&S Cycle
Part #: 31-0004
S&S Crankcase Assembly 31-0004
- Brand: S&S Cycle
- Product Code: 31-0004
- Availability: Special Order
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$1,699.95
Tags: S&S Cycle, Harley Davidson, Classic Pre-1984, Engine, Crank Case, Case Sets