Piston ring for gasoline engine (3 piece oil control ring)
-Used on Mitsubishi Motors’ 3B20 660cc engine -Manufactured at Nagano Plant -New spacer design improves oil lubrication and prevents deposits
Piston ring for diesel engine
Friction actually feeling model
Cylinder liner - New ALH150 (Spiny outer surface)
-Centrifugal casting method creates spiny outer surface with mushroom-shaped projections. Achieves high adhesion properties with aluminum, excellent heat-transfer performances and weight savings -Height of the surface projections are reduced than existing AL13 cylinder liners to increase heat-transfer efficiency
Cylinder liner - AL13 (Spiny outer surface)

Cylinder liner (O.D. machined)

Spiny tube
Special surface shaped spin-cast products
-Centrifugal casting method to create special spiny surface is applied to the inner side of the brake drum: 35 percent reduction in weight
Carbon scraper ring
-For heavy truck engine
Valve seat
-Oxidizing valve seat improves its wear resistance by 70 percent
Sintered alloy products
-Manufactured at Gifu Plant, Gifu Pref.
Electric double layer capacitor products
-Manufactured by TOC Capacitor, a joint venture with Okaya Electric Industries.
Seal ring
-Smallest diameter: 8mm
Rubber products
Resin products
Aluminum wheel
Cut model of Toyota's V6 engine
Piston rings for gasoline engine
Installed vehicles: Toyota "Crown" 3.5L engine
Piston rings for diesel engine
Installed vehicles: Toyota "Avensis" (Europe)
Cylinder liners for gasoline engine
Installed vehicles: Nissan "Juke" MR16DDT Direct Injection Gasoline with turbo, Toyota "Crown" 3.5L engine
Cylinder liners for diesel engine
Valve seat for gasoline engine
Installed vehicles: Toyota "Crown" 3.5L engine
Valve seat for diesel engine
Shock absorber parts
Vacuum pump parts
Electronic control throttle parts
Special surface shaped spin-cast products
Casting size capacity: φ20mm~200mm
Rubber Products (Radiator packing)
Resin products (Front grille)
Aluminum brake drum (Under development)