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Werks Team Line B5-Pro II .21 Off-Road Competition Buggy Engine

Werks Team Line B5-Pro II .21 Off-Road Competition Buggy Engine

Your Price:$284.99
Retail Price:$449.99
You Save:$165.00(37%)

Out of Stock.
Part Number:WRXTL21B5PROII
Introducing Werks Racing’s new B5-Pro II Off-Road Competition engine! The engineers at Werks Racing have taken our proven B5-Pro engine and gone back to the drawing board to make it even better! The B5-Pro II provides stump pulling power with an aggressive bottom end and strong mid and top end making it ideal for truggy racing or buggy drivers that prefer a high power engine with a lot of bottom end! Taking all of the best features of the B5-Pro and adding even more the new B5-Pro II features:

  • Revised port timing for improved performance.
  • “Swiss” ceramic rear bearing for improved reliability and reduced friction.
  • Double shielded front bearing for improved reliability.
  • Lightened and epoxy ramped crankshaft allows the engine to spool up faster for improved acceleration and improved fuel economy.
  • Black anodized crankcase for improved heat dissipation.
  • Billet rear back plate to reduce weight and create a more rigid case assembly.
  • Improved carburetor heat shield to improve carburetor consistency and reduce possibility of heat saturation.
  • Revised carburetor design for easier tuning and improved stability.
  • Modified crankcase and new super low CG wrap around head design for improved heat dissipation and reduces overall CG of vehicle for improved handling.
  • O-ring sealed head button for improved sealing and reduces the likely hood of dirt entering engine during routine maintenance.


  • Stroke: 16.50mm
  • Bore: 16.30mm
  • RPM Racing: 3,000-41,000
  • Output: 2.7hp at 33,000rpm
  • Sleeve: Five Port, Chrome Plated Brass
  • Piston: SNS Machined High-Silicon Aluminum Alloy
  • Connecting Rod: Knife Edged, Double Bushed 7075 T6 Aluminum Alloy
  • Carburetor: Revised 2010, 2 Needle, Adjustable Venturi, Heat Isolation Sleeve.
  • Cooling Head: Lightweight, CNC Machined, Super Low CG Wrap Around Case Design

Note: This engine includes a Werks TLP5BT #5 Turbo Glow Plug. The glow plugs recommended for this engine are the Werks Racing TLP5BT #5 and TLP6BT #6. Pipe recommendation is Werks Racing 2013 (WRX6658C) for Truggy use and Werks Racing 2058 (WRX6659C) for Buggy use.

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