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Reduced price! O.S. Speed B21 Adam Drake Edition II 1CH00 View larger

O.S. Speed B21 Adam Drake Edition II 1CH00


O.S. Speed B21 Adam Drake Edition II

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322,20 €


298,33 €

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Designed to dominate. 

Power your way to the podium with this special Speed B21 engine that's packed with upgrades from champion Adam Drake. It’s a terrific choice for trucks and buggies that delivers competition-caliber performance for demanding drivers. Featuring a semi-long stroke, this engine also boasts a DLC crankshaft with double tungsten counterweight and a redesigned cylinder lining with updated porting. Be ready for the big leagues with the Speed B21 Adam Drake Edition!
  • Designed and tested to Adam Drake's race-winning specifications.
  • Great for buggies and trucks.
  • Newly designed cylinder liner with new porting.
  • Newly designed DLC crankshaft with double tungsten counterweight.
  • New semi-long stroke.
  • 6.5 and 8.0 mm carburetor reducers.
  • Ceramic rear bearing.
  • 21J carburetor.

Displacement: 3.46cc 
Output: 2.61ps @ 34,000 rpm 
Bore: 16.4mm 
Stroke: 16.55mm 
Practical RPM Range: 4,000 ~ 42,000 rpm 
Weight: 353g 


  • T-P3 gold glowplug
  • 6.5mm & 8mm Venturi's
  • Exhaust Gasket
  • Dust Cap Set (3mm/16mm/18mm)


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