OS Speed B21 Adam Drake Edition
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.
  Redesigned cylinder liner with Drake-specified porting.
  Newly designed DLC crankshaft with double tungsten counterweight.
  New semi-long stroke design offers the perfect blend of torque and high-end performance.
  6.5 and 8.0 mm carburetor reducers.
  Ceramic rear bearing.
  Easy-to-tune 21J carburetor.
  Speed Gold P3 Turbo glow plug.
  
  Displacement: 0.211 cu in (3.46 cc)
  Bore: 0.646 in (16.40 mm)
  Stroke: 0.652 in (16.55 mm)
  Practical RPM: 4,000-42,000
  Power Output: 2.61 hp @ 34,000 rpm
  Weight: 12.45 oz (353 g)
  Includes: 6.5 mm and 8.0 mm carb reducers, 21J carburetor and Speed Gold P3 Turbo glow plug
  Requires: Glow fuel, glow igniter, fuel filter, fuel bottle, starter and T-2090SC Tuned Pipe Set