Super Stock<sup>®</sup> Alternator Style Crankcase for 1970-'84 Big Twins with Stock Bore - Natural
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Super Stock® Alternator Style Crankcase for 1970-'84 Big Twins with Stock Bore - Natural

Item #: 31-0003
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$1,348.95

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 inch. S&S Super Stock crankcases are compatible with stock 1970-1999 flywheel assemblies, primary covers, gearcovers, and clearanced for 38 amp alternator stators. 1970–1984 big twins. Natural finish. Available for stock, 3 5/8", and 3 13/16" bore applications.

Stock. . . .31-0003
3 5/8". . . . 31-0004
3 5/8"Bore (small diameter). . . .31-0071
3 13/16". . . .31-0030


NOTES:1981–'84 style oil pump. Includes primary scavenge port machining. Machined for 1970 & later alloy primary.

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1981-’84 style oil pump. Includes primary scavenge port machining. Machined for 1970 & later alloy primary.
Disclaimer

Exempt from emissions tampering regulations under CARB EO# D-355-8 when used with stock bore cylinders

 
warningWARNING
This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov