PIC9563 BOOST .21 5TR

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The new 2012 spec Boost engine comes with a multi exhaust system to ensure top of the line performance throughout the engine’s upper RPM band. With a 5 port design the engine performs exceptionally well at the bottom end – a characteristic crucial to handle today’s track designs with short sharp blasts followed by jumps.

The Boost is supplied with a 14mm “turbo” silicone-filled crankshaft to improve fuel flow, “knife edged” aerodynamic connecting rod, hard chromed brass lapped liner with 5 ports, lightened piston CNC machined from high percentage silicone alloy billet, large size finned turbo combustion chamber insert for a better temperature dissipation, ultra light weight cooling head, 14mm Swiss quality main bearing, front dust protection rubber sealed bearing and a composite slide carburetor with 6.0mm and 7.0mm venturi inserts.


• 5 Ports hard chromed liner
• Piston CNC machined from billet
• 14mm turbo shaft with silicone insert
• Knife edged aerodynamic connecting rod
• Separate large size finned turbo combustion chamber insert
• 14mm Swiss quality main bearing
• Front dust protection rubber sealed bearing
• Super lightweight cooling head
• Composite slide carburetor
• 6.0mm and 7.0mm venturi inserts

Technical datas:

• Displacement: 3,49cc
• Bore: 16,26mm
• Stroke: 16,80mm
• Output: 2,6hp @ 33,000rpm
• Weight: 355gr