Headway Performance - Remanufacturing of cylinder heads. Includes company profile and capability overview. - http://www.headwayperformance.net
Jinninge Enterprise Co., Ltd. - Manufacturer of motorbike cam shafts, automobile camshafts, shift fork, gasoline and diesel engine parts, shift gear drums and rocker arms. From Taiwan. - http://www.camshaft.com.tw/
Moonrise Industries - Manufacturer of cylinder heads for European truck and diesel engines. Includes product overview and company profile. [English, French, German] - http://www.cylinderheadindia.com/
Mechadyne International - Developer of valvetrain systems for internal combustion engines. Includes product overview and company profile. - http://www.mechadyne-int.com/
Nextech Engineering - Manufacturer and exporter of intake and exhaust valves. Include product overview, capabilities and company profile. - http://www.nextechengg.com
Louthan Competition - Rebuilds engine cylinder heads for stock or racing vehicles. Includes pricing schedules, technical information and photo gallery. - http://www.performancecylinderheads.com/
VEGE - Remanufacturer of cylinder heads. Includes company profile with international sale offices and facilities. - http://www.vege.nl
Tetik - Manufacturer of valves, guides and seat inserts for internal combustion engines. Includes company profile and product overview. - http://www.tetik.com
Spesso - Manufacturer of flat gaskets and joints for OEM and aftermarket applications. Includes product overview and catalogue.[English, French, Italian, Spanish, German] - http://www.spesso.com
Sino Spark Plugs - Manufacturer of spark plugs. Includes company profile and product overview. - http://www.sinosparkplugs.com
Sanmati Exports - Manufacturer and exporter of valves, guides, tappet and valve seats. Includes company profile and product overview. - http://www.sanmatiexports.com
Precision Engine Parts - Manufacturer of bronze valve guides and valve train components. Includes company profile. - http://www.precisionengineparts.com/
Performance Springs Pty Ltd - Manufacturer of engine valve springs and retainers. From Australia. - http://www.performancesprings.com.au/
Oygarsan Tappet Ltd. - Manufactures valve tappets for oem. From Turkey. - http://oygarsan.com/
Newman Cams - Manufacturer of automotive camshaft systems for motorcycles, automotive and industrial engines. Includes product catalogue and company information. - http://www.newman-cams.com
National Cylinder Head Exchange - Remanufacturer of cylinder heads for all vehicles and marine applications. - http://www.nationalcylinderhead.com
Märkisches Werk Halver - Manufacturer of cylinder head components for two stroke and four stroke engines. Includes product overview and company profile. - http://www.mwh.de/
L.E. Jones Company - Manufacturer of valve seat inserts for the diesel and automotive industry. Includes technical information and company profile. - http://www.lejones.com/
Hoga Industry - Production and sale of valves, guides and seats. Includes company profile and product overview. - http://www.jcmc.com.tw/
G&S Valves Ltd. - Manufacturer of valves for engine development, up to ongoing scheduled contracts for larger companies. - http://www.gsvalves.co.uk/
Durovalves - Manufacturer of valves, pins and related equipment as per requirement. Includes company profile and product overview. [India] - http://www.durovalves.com
Crane Cams - Manufacturer of camshafts and valvetrain components. Includes product overview, company profile and list of retailers. - http://www.cranecams.com/
Cal Valves - Remanufacturer of engine valves for diesel, industrial and automotive engines. Includes product overview, catalogue and company profile. - http://www.calvalves.com
American Custom Cam - Manufacturer of custom camshaft grinding for all types of applications. Includes company profile and capabilities. - http://www.americancustomcam.com
Ameera Exports - Manufacturer of valves, rockers and related equipment. Includes company profile, product and application overview. - http://www.ameeraexports.com
Airflow Research (AFR) - Manufacturer and designer of cylinder heads, with flow dynamics simulation capability. Includes company profile and product overview. - http://www.airflowresearch.com/