Max Power MAX.21 GT-R5 5 Port GT TUNED Ceramic (New2017) 

This is New  MAX.21 GT-R5 .21  engine specially for GT Rally car Shaft, Roar/Efra Approved.

This engine is Full tuned by Massimo Fantini!

FEATURES

Crankcase

The new crankshaft gives the engine a better balancing. This will reduce the vibration produced by the rotating and the alternating masses.

Cooling head

This a new. It is drilled and milled out to reduce the mass of the cooling head. 

Rear Ball Bearing

Is e ceramic swiss quality.

5 Ports ABC Piston Sleeve

The sleeve has 5 transfer ports and an exhaust with booster ports.
The special shape and positioning of the ports, covered by a patent, improve the internal fluid-dynamics to obtain the maximum possible performance.

Crankshaft TURBO

The TUNED crankshaft gives the engine a better balancing. This will reduce the vibration produced by the rotating and the alternating masses.

Rear Cover

The rear cover presents a round shape to optimize the filling and reducing the dead spaces. the steel plate is to reduce friction and to expand the lifespan of the conrod.

Technical Data

C.Capacity : 3,49 cc 
Bore : 16,26 mm 
Stroke : 16,80 mm 
Ports : 5
Crankshaft :  14,0 mm Turbo Tuned
carburettor :  new metal + reducer 
Bougie : Turbo 
Main Bearing : Ceramic