SH Engines (#PT2004XB) PRO 21 Buggy Engine
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This is SH. 21 off road competition rear exhaust engine
Cublic cpapcity: 3.497 cc
Bore: 16.27 mm
Stroke: 16.75 mm
Power: 2.5 ps
Weight: 345 g
It's four-leaves ( a cylindrical shape with 4 millings ) Four more millings improves the cooling of the glowplug.
Bulted with a special alloy to safe the compression under very hot temperatures.
Developped trought 3D briwsersus made in aluminium alloy with the inner ports obtained by casting procedures.
14mm diameter shaft perfectly check and balanced. It is tested by a roughness control of the pin.
The sleeve is realized with a special brass alloy, rectified and lapped. It has 8 lights.
Casted, rectified and super-checked.
Is made with a new alloy of very high quality ultra-sound checked and it is completely realized on CNC working center. The bushing is made with a new characteristics at high temperature and P.R.M.
Developped for high speed P.R.M.
Slide carburetor in aluminum alloy with induction diameter of 7.0mm double needle adjustment.