Greenline Motorsports - Engine Parts (Camshaft and Valvetrain Parts) for Subaru Impreza WRX STi (Non JDM) GDB (EJ205 EJ257)

Due to size/weight restrictions,
oversized items cannot be shipped by EMS.

Item discontinued. Stock no longer available.

Product Catalogue

Subaru

Impreza WRX STi (Non JDM) GDB (EJ205 EJ257)

Engine Parts

Camshaft and Valvetrain Parts

TOMEI


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	TOMEI Bery Ring Set 162010 (Camshaft and Valvetrain Parts)	ITEM DETAILS
	Beryllium(BeCu) seat ring set. The function of which valve seat is maintaining air tightness with the valve and resistance against wear. In high rotation and high load engine applications, the cooling performance of a valve seat becomes very important as it relates to engine output. When engine is high rotation and high load, it is impossible to achieve high output from the engine if cooling performance of the cylinder is low and knock limit does not become high, since the temperature of the circumference of a cylinder head rises unusually. Read more... In racing engines that temperature needed to be carefully controlled, how much you can cool the circumference of the seat ring becomes an important issue, and the technique of using high heat conduction metal, such as copper for seat ring, has been taken. Copper has one of the highest thermal conductivities through all metal that enables receiving heat from cylinder and cool it down quickly by transmit the heat to the cylinder head (Degree of heat conduction: 1.silver, 2.copper, 3.gold, 4.aluminium, ... 10. cast iron - STD). We select beryllium copper alloy (BeCu) that can secure mechanical intensity most in the copper alloy, which has ideal fatigue resistance and wear resistance while securing a preeminent cylinder cooling performance.	$ 351.40

	TOMEI Exhaust Valve Guide 161301 (Camshaft and Valvetrain Parts)	ITEM DETAILS
	Phosphor bronze (PBB).	$ 20.03

	TOMEI Inlet Valve Guide 161300 (Camshaft and Valvetrain Parts)	ITEM DETAILS
	Phosphor bronze (PBB).	$ 19.70

	TOMEI Oversized Valves 163411 (Camshaft and Valvetrain Parts)	ITEM DETAILS
	1mm oversized valve set. Requires seat cutting for fitting.	$ 334.02

	TOMEI Titanium Valve Spring Retainers 163203 (Camshaft and Valvetrain Parts)	ITEM DETAILS
		$ 308.33

	TOMEI Valve Guide Set 163300 (Camshaft and Valvetrain Parts)	ITEM DETAILS
	Phosphor bronze (PBB).	$ 164.55

	TOMEI Valve Springs 163057 (Old: 163027) (Camshaft and Valvetrain Parts)	ITEM DETAILS
		$ 146.42

	TOMEI Oversized Valves (Old Version) 163403 (Camshaft and Valvetrain Parts)	ITEM DETAILS
	1mm oversized valve set. Requires seat cutting for fitting.	DISCONTINUED

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