S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1936-'84

www.sscycle.com

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

1 -2017-UP 2- 2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

Fitment • 1970–'84 big twins • Features and benefits • Available for stock, 35/8", and 313/16" bore applications • Compatible with stock 1970–'84 flywheel assemblies, primary covers and gearcovers • Clearanced for 38 amp alternator stators

• Pre-clearanced for strokes up to and including 5" • Complete with bearings and installation hardware Kit Contents • Crankcase assembly • All required bearings and hardware for installation • Assembly instructions

Super Stock® Alternator Crankcases For 1970–'84 Big Twin Crankcase Style Finish

Stock Bore 31-0003†

35/8" Bore 31-0004

1970–'84

Natural

NOTES: 1981–’84 style oil pump. Includes primary scavenge port machining. Machined for 1970 & later alloy primary. † Exempt from emissions tampering regulations under CARB EO# D-355-8 when used with stock bore cylinders

Replacement parts: See page 5-77

EO #D-355-8

5-42