SINUS is one of the world’s most senior and experienced manufacturers of valves for internal combustion engines.

SINUS valves are manufactured under strict quality and management standards in order to maintain our reputation for excellence and to keep providing our worldwide patronage with premium quality, highly durable and longer lasting engine valves.

Alongside to our existing wide range of aftermarket and OEM grade valves, SINUS offers a variety of engineering services such as custom valves design, analysis and upgrade of existing valves definitions, and more.

Capacity, knowledge, professionalism, flexibility, durability, advanced technology and engineering, research and development and above all, reliability, are just some of the qualities that enable us to redefine the term quality and set new boundaries in the engine valves field.

SnakeSkin Superfinish SINUS presents a superior yet affordable solution for substantial reducion of the valve’s friciton coefficient.  Learn More >

High Performance Engine Valves Series SINUS sets new boundaries by presenting specially designed valves series for H.P racing engines. Proceed to SINUS H.P mini-website >

Special Coatings & Treatments SINUS coating development team improves valve properties by developing signature coatings and treatments.  M.L.S.P Coating  Chromium Nitride (CrN)  Titanium Nitride (TiN)  Zirconium Nitride (ZrN)  Mirror Polish Finish

In order to assure our engine valves top quality level, a strict management system and production standards are lead and maintained by our highly skilled quality control staff.

SINUS Ltd was certified by the standards institute of Israel to produce valves under the ISO 9001:2000 European standard.This valves production standard and certifying institute are recognized by the IQNET Network whom members are the most esteemed standards institutes in Europe.