Tomei TITANIUM VALVE SPRING RETAINER SET For SUBARU EJ 163203 CRANKSHAFT The bore bearing surface finish

The bore bearing surface finish method helps promote effective oil flow and to maintain adequate lubrication for both the bearings and other moving parts

Forged pistons along with reinforced head gaskets are required to make the most of the performance of TOMEI Turbo CONRODS STOCK ENGINE:RECOMMENDED/TOMEI H-BEAM CONRODS

■SHORT M8 / M10

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Tomei TITANIUM VALVE SPRING RETAINER SET For SUBARU EJ 163203 CRANKSHAFT The bore bearing surface finishSPECIAL SURFACE TREATMENT, IMPROVED DURABILITY & LIFE. CONTROL & STABLIZE VALVE JUMPS & VALVE BOUNCES!! An indispensable part for any high powered, high speed engine. The combination of high lift camshafts and these oversized valves will greatly increase the flow rate for fuel mixture to enter the combustion chamber. When upgrading the Valves to cope with the new high lift camshafts it is also a requirement to upgrade the Valve Springs to suit the new