All Sputhe transmission cases are cast from 356A-T6 aluminum without the familiar “waffle grid” pattern. The Sputhe case contributes to both a cleaner exterior surface and one that better lends itself to polishing. Transmissions built by Sputhe feature forged 9310 steel 12 pitch gears and main-shafts. Transmissions are available with either the 2.94 or 3.24 first gear ratio. All Sputhe transmissions are available with the Sputhe polished billet aluminum lid or chrome stock style lid, and either stock pillow blocks or Sputhe billet aluminum pillow blocks. Transmissions and transmission cases may be ordered polished with or without electric Speedo drive.
Sputhe Spectre, Alan Sputhe, Bonneville 1998
Alan Sputhe, Mike Logsdens, Joel Yamasaki
1980 Sputhe Sportster
Alan Sputhe, Yamaha-305, 1965
ORDERS BY PHONE ONLY
Tel: (530) 268-0887
Fax: (530) 268-3024
11185 Lime Kiln Road
Grass Valley, CA 95949-9715
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