OS Engine O.S. Speed B21 Ty Tessmann II Combo

Ty Tessmann has delivered a power plant that's worthy of his winning pedigree with the Speed B21 Ty Tessmann II. Unique features include a low-profile cylinder head designed by Ty, a 5.8 mm carb reducer and laser-etched engravings of Ty's signature on the crankshaft cylinder head and crankcase.

• Special low-profile cylinder head with double-height vertical fins, designed by Ty Tessmann.
  
• Crankshaft cylinder head and crankcase feature a laser-etched engraving of Ty Tessmann's signature.
  
• 5.8 mm carb reducer.
  
• 21J3 (B) slide valve carburetor.
  
• P3 Turbo glow plug.
  
• Exhaust seal ring.
  
• Dust cap set.