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 16% EU Inner Head W/ O-Ring
Product Codes: HT-055
Intended for fuels with 16%EU Nitro use.
To be used with the original gaskets (0.1 + 0.15) OR 0,1 sleeve shim + 0.15 underhead shim.
Hasi Tuned 25% Inner Head W/ O-Ring
Product Codes: HT-056
Intended for fuels with 25% Nitro use.
To be used with the original gaskets (0.1 + 0.15) OR 0,1 sleeve shim + 0.15 underhead shim.
Hasi Tuned Low Profile Cooling Head
Product Codes: HT-057
Low Profile Head by HASI TUNED, this head in addition to lowering the centre of gravity, due to a saving of 3.8 grams compared to the original, has been specially produced for engines with AAC liner, as it guarantees a faster and easier warm-up of the engine.
Hasi Tuned .21 On-Road Top Needle
Product Codes: HT-069
Introducing the new Hasi Tuned high-speed needle – engineered for those who demand top performance from break-in to race day.
Enjoy a wider and more precise tuning range, making carburetion faster, easier, and more stable under all conditions.
- More control. No guesswork.
- High-grade stainless steel construction
- Precision-machined for optimal fuel atomization inside the carburetor, ensuring better efficiency and improved throttle response at high RPM.
- Full compatibility, direct fit for all OS 21M2 series carburetors.
Available as an optional upgrade for all OS-based engines.
Hasi Tuned Ins-Box Clear
Product Codes: HT-083
Hasi Tuned proudly presents the new EFRA-homologated INS-BOX, designed for racers who demand top performance in official competitions.
Compact, lightweight, and highly efficient, these new INS-BOX units are engineered to deliver maximum reliability and performance on track.
- EFRA homologated – competition ready
- Compact size & lightweight design
- Low-profile foam filter included
- Outstanding air filtration
- Maximum engine protection
Hasi Tuned Ins-Box Black
Product Codes: HT-084
Hasi Tuned proudly presents the new EFRA-homologated INS-BOX, designed for racers who demand top performance in official competitions.
Compact, lightweight, and highly efficient, these new INS-BOX units are engineered to deliver maximum reliability and performance on track.
- EFRA homologated – competition ready
- Compact size & lightweight design
- Low-profile foam filter included
- Outstanding air filtration
- Maximum engine protection
Hasi Tuned Low Profile Air Filters (3)
Product Codes: HT-085
The INS-Box air filter replacements are specifically engineered for the latest-generation INS-Box models, ensuring perfect compatibility and consistent performance over time.
Thanks to their low-profile design, they fit seamlessly even in limited spaces while maintaining outstanding filtration efficiency.
Key Features:
- Full compatibility with latest-generation INS-Box units
- Low-profile design for reduced overall dimensions
- High-efficiency filtering material
- Effective protection against dust, debris, and airborne particles
- Durable and long-lasting structure
Filtration Performance:
- Manufactured using premium-grade filtering materials, these replacements provide:
- High particle retention capability
- Excellent balance between airflow and filtration efficiency
- Minimal pressure drop to maintain optimal system performance
- Optimized filtering surface for extended service life
Designed to deliver maximum protection without compromising airflow, these air filter replacements ensure reliability, efficiency, and long-term performance for your INS-Box system.
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.
DISCONTINUED