Max Power MAX.21 RP9.S GT-R 9 Port Rally GT TUNED Ceramic (New2017) 

This is New  MAX.21 RP9.S .21  engine specially for GT Rally car.

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.

9 Ports ABC Piston Sleeve

The sleeve has 9 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 
Power: 2.90HP R.P.M. 40.100 Rpm
Bore : 16,26 mm 
Stroke : 16,80 mm 
Ports : 9 
Crankshaft :  14,0 mm Turbo Tuned
carburettor :  9mm metal + reducer 
Bougie : Turbo 
Main Bearing : Ceramic