top of page

About Sinus

SINUS is one of the world’s leading manufacture of internal combustion engines valves.


SINUS is a Lachman-Group company and a leading manufacturer of internal combustion engine valves.
The company was incorporated in 1949 and based in Kibbutz Massada in northern Israel. 

SINUS engine valves are manufactured utilizing the most advanced technology available and the entire production, from the reception of raw materials and up to the shipment, is done in-house. 

SINUS is composed of the following departments:
Upsetting and forging, thermal treatment, machining, turning and grinding with special-purpose machines, Friction welding including a machine for checking and inspecting for 100% quality bi-metal, satellite welding (PTA plasma transfer arc,) chrome plating department, surface treatment department including designated physical vapor deposition (PVD) coating machinery, QA and QC department, and packaging department.


Our Process

 we cater for any valve requirement for passenger cars, trucks,

defense, industrial engines tractors, etc.


SINUS is composed of the following departments:


  • Upsetting and forging

  • Thermal treatment

  • Machining (turning and grinding with a special-purpose machine,)

  • Friction welding, including a machine for checking and inspecting for 100% quality (bi-metal)

  • Stellite welding

  • PVD (Physical Vapor Deposition) coating, and hard  chrome plating.  


Our Proccess

-Special Product-

Snake Skin

'Super Finish'

SINUS presents a superior yet affordable solution

For substantial reduction of the valve’s friction coefficient


-Special Product-

High Performance Engine Valves Series

SINUS sets new boundaries by presenting specially

Designed valves series for HP racing engines

Special Coatings  & Treatment

SINUS coating development team improves valve properties by

Developing signature coatings and treatment

  • M.L.S.P Coating

  • Chromium Nitride (CrN)

  • Titanium Nitride (TiN)

  • Tanium carbon nitride (TiCN)

  • Mirror polish finish

Quality & Certificate

Quality & Certificate

SINUS valves raw materials are imported from leading factories in Europe and the United States, from which we purchase only the finest steels for the production of our valves. 

SINUS is certified as an ISO 9001:2000 complying factory, certification that was granted and annually supervised by the Israeli Standards Institute (SII). The SII certification is also recognized by the IQNET Network whom members are the most esteemed standards institutes in Europe. 

In order to maintain superior product quality and the ability to provide our customers with innovating solutions in the field of engine valves, SINUS quality control department has lead strict production protocols that are backed-up by a strong management system. 



Presently, SINUS manufactures thousands of part numbers at small, medium and large batches, for the following engines categories:

  • Low, Heavy and Extreme Duty Trucks

  • Buses 

  • Agricultural, Tractors and other earth moving machines.

  • Locomotives 

  • Generators and industrial engines 

  • Passenger vehicles

  • Marine applications

  • High performance racing engines

  • Jeeps and SUV’s

  • Pickups and other light commercial vehicles

  • Marine applications

  • High performance racing engines

  • Natural Gas Engines  

  • Pickups and other light commercial vehicles

  • Natural Gas Engines  

  • Military, combat and tactical vehicles


Find out if we have the vaulve that you are looking for

service care



SINUS carries an esteemed reputation among a worldwide range of customers, due to the proven ability to analyze valves breakdowns and present a modified version that will feature improved properties and rise above its genuine. 

SINUS is honored to serve a wide range of satisfied customers from around the globe. We are providing our professional and friendly services to engine parts wholesalers, distributors, governmental establishments, defense forces, racing teams, engine development companies and many more. 

SINUS annual production capacity at present is approximately 2,000,000 units.
Production time from receipt of an order and its conformation by the factory is approximately 30-120 working days. SINUS is set for immediate response when customers present a crisis based request. In such cases, production time is 2-3 weeks.

bottom of page