RB Products SPEED .21 7-Port On Road Engine (Turbo Plug)


This is the RB Concept SPEED .21 7-Port On Road Engine. The SPEED .21 is a true racing engine that has very linear power and incredible longevity. It features a 14mm crankshaft, 14mm main bearing, turbo plug, a 9mm carburetor and a black coated strengthened crankcase. This engine is a great option for the racer on a budget who doesn't want to sacrifice power and performance. 


  • Racing engine
  • 7 ports + 2 bypass
  • Turbo plug
  • Turbo combustion chamber
  • 14mm crankshaft (long stroke)
  • 14mm main ball bearing
  • Strengthened and black coated crankcase
  • Nylon 9mm carburetor
  • Aluminum orange carburetor wrist pin
  • Orange dust protections
  • 8.5mm venturi included

Recommended RB Glow Plugs:

  • 01052-5
  • 01052-6
  • 01052-7
  • 01052-8

Bore: 16.22mm
Stroke: 16.80mm
Crankshaft: 14mm
Carburetor: Nylon 9mm
Porting Intake: 7+2 Bypass
Porting Exhaust: 1
Combustion Chamber: Turbo
Piston: CNC machined piston
Rod: Competition conrod
Bearings: 14mm main bearing
Weight: 318g
Plug: 01052-6 (one included)

This product was added to our catalog on August 14, 2012.

Low Price: $219.99
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
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