Tomei complete Phase 2 Cylinder Heads are built from brand new OEM castings and machined to Tomei advanced specs, perfect for any application. After machining, each cylinder head is fitted with Tomei 1mm oversized valves and Oval Wire Core valve springs. These are paired with Titanium retainers and finished off with Tomeis 270-11.50mm camshafts.
This cylinder head features a combustion chamber volume of approximately 43.9cc and includes Phosphor Bronze valve guides. If you are looking for the ultimate in 4G63 EVO cylinder heads, Tomei's the solution for you.Specifications:
- Base Engine: 4G63 (EVO 9)
- Combustion Chamber Volume: 43.9cc (approx)
- Valves: 1mm Oversized
- Valve Springs: Oval Wire Core
- Valve Spring Retainers: Titanium
- Valve Spring Sheets: SPCC
- Valve Guides: Phosphor Bronze
- Valve Seat Rings: Standard
- Camshafts: Intake/Exhaust 270-11.50mm
- Solid Pivot: Adjusted with Shims
Mr. Seiichi Suzuki initially forged Tomei is a tuning factory for race cars back in 1968. From that day on, Tomei achieved excellent results in various motor sports categories. Tomei was then recognized for its technology, performance and reliability that we had cultivated into our own design products and had a large support base from motor sports end users and tuners.
With the new market trends and demands, motoring enthusiasts wanted better performance to suit the new modern lifestyle. This trend helped set the stage where originality can play an active part in the motor sports scene and personal motoring lifestyle.