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  O.S. Engines .12XZ Touring Car Engine Speed Spec III OSM11685

OSM11685 O.S. Engines .12XZ Touring Car Engine Speed Spec III


 
List Price: $699.99
Our Price: $449.99
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Product Code: OSM11685
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Description
Technical Specs
 
This is the O.S. Engines 12XZ Speed Spec III Glow Powered Touring Car Engine.

Features:
  • Tapered surface on piston with a depression that works with the head button to maximize combustion and power
  • Redesigned 12F2 (B) slide valve carburetor delivers sharp acceleration and instant throttle response with easier more reliable tuning
  • Outer head sits 0.24" (6mm) lower over the crankcase decreasing the engine's weight, lowering the CG and aiding in cooling
  • Redesigned head button for better performance and improved acceleration
  • Slightly thicker cylinder liner with redesigned ports for better air/ fuel flow that boosts mid-speed torque and extends fuel mileage
  • DLC coating on crankshaft with pressed in Tungsten weights and ceramic rear ball bearing

Includes:
One O.S. Engines 12XZ Speed Spec III Glow Powered Touring Car Engine with a 12F2(B) Slide Valve Carburetor, RP6 Glow Plug, Exhaust Seal Ring, Dust Cap Set, 5.5mm Red Carb Reducer and an Instruction Manual

Requires:
Fuel: 10-30% nitro content, 20% recommended for break-in
Exhaust System: Depending on vehicle
Air cleaner assembly, glow starter and track equipment

Note: Because of the expressed racing nature of this engine, it is NOT covered by the O.S. 2 Year Warranty per page 8 of manual.

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