Hasi Tuned Preassure Camber Set

Product Code: HT-003


Kit to be installed between the tank pressure intake and that of the muffler. It is used to optimize the pressure in the tank, and to avoid "holes" after refueling. In addition to cooling the air that will enter the tank.

 

Hasi Tuned Rear Back Plate (1 pcs.) for O.S. Engine

Product Code: HT-004


After many tests, Hasi engines is proud to present its newest development. The new backplate reduce friction, improves the flushing inside the crankcase and with that improves the torque in the bottom to mid range rpm. The used shape is unique and shows the great effort in the development of every single detail.

 

Hasi Tuned High Performance Venturi

Product Codes: 
HT-010-1: 8,0mm Venturi
HT-010-2: 8,5mm Venturi

HT-010-3: 9,0mm Venturi
HT-010-KIT: Kit Venturi , 8,00, 8,50 and 9,00 mm


After many tests, Hasi engines is proud to present its newest development. The new .21 Venturi improve the rpm in bottom and middle rpm range and engine run to max performance in very fresh and free way.
This venturi can fit on Os Engine, Max Power and Novarossi based engine.

 

Hasi Tuned Front Ball Bearing for On-Road Engine (7x19x6 mm)

Product Codes: HT-016



Front Steel Engine Ball Bearing, hand made selected.
Compatible with the .21 OS, Novarossi and Max Power engine Line with same size.

 

Hasi Tuned Rear Ball Bearing for On-Road Engine (14x25.4x6 mm)

Product Codes: HT-017



Rear Steel Engine Ball Bearing, hand made selected.
Compatible with the .21 OS, Novarossi and Max Power engine Line with same size.

 

Hasi Tuned Rear CERAMIC Ball Bearing for On-Road Engine (14x25.4x6 mm)

Product Codes: HT-018



Rear Ceramic Engine Ball Bearing, hand made selected.
Compatible with the .21 OS, Novarossi and Max Power engine Line with same size.

 

Hasi Tuned 3.5CC  Lineer Shims (3)

Product Codes: 

  • HT-024: Lineer Shims 0.10mm
  • HT-025: Lineer Shims 0.15mm
  • HT-026: Lineer Shims 0.20mm


Allow to modify the Lineer Timing in order to optimize the mid/high rpm regime.
For each shim added to Lineer it's required to remove the same amount from the underhead plug.
Compatible with the .21 OS, Novarossi and Max Power engine Line.

 

Hasi Tuned Low Center of Gravity Cooling Head (42 g.) for OS and Picco Engines

Product Code: HT-036

Made with Special Alluminium with high dissipation capacity, this special cooling head guarantee a same cooling down of your engine than with the original one, but you save 12 g.
Original Cooling Head is 54 g, Hasi Cooling Head is ONLY 42 g.

 

Hasi Tuned Low Center of Gravity Cooling Head (42 g.) for Max Power Engines

Product Code: HT-037

Made with Special Alluminium with high dissipation capacity, this special cooling head guarantee a same cooling down of your engine than with the original one, but you save 12 g.
Original Cooling Head is 54 g, Hasi Cooling Head is ONLY 42 g.
FOR MAX POWER .21 ON ROAD ENGINE ONLY

 

Hasi Tuned Carburetor Rubber Band (Black 20 pcs.)

Product Code: HT-044

This rubber band makes the return of the carburetor quicker and still maintains a smooth action. It can be used as a failsafe in case of radio interference or loss of receiver battery. The return strength can be adjusted by the number of bands used.

 

Hasi Tuned Rear Back Plate (1 pcs.) for O.S. Engine V-FUEL Type

Product Code: HT-041

Designed to increase Mid to High Range Power.
It also increases fuel efficiency and quicker return to idling.
Can be used with its relevant off-road and on-road engines.

 

Hasi Tuned Front Ball Bearing for On-Road Engine Metal Shield SWISS (7x19x6 mm)

Product Codes: HT-054



Front Steel Engine Ball Bearing, hand made selected METAL SHIELD.
Compatible with the .21 OS, Novarossi and Max Power engine Line with same size.

 

Hasi Tuned Extra Strong Copnrod for OS .21XZ-R Speed, 21VZ-B V-SPEC, SPEED 21V-SPEC R2101

Product Code: HT-23755024

For all OS On Road Engines based .
Special conrod at high resistance.