Tomei COMPLETE HEAD 4G638CH For EVO 8 GSR 6SPEED PHASE 1 4G63

Description

Base Engine Type: 4G63
combustion chamber volume: about 43.9Cc
valve: 1 mm oversize
valve spring: oval wire high lift corresponding
valve spring retainer: Titanium
valve spring seat: SPCC  valve guide: phosphor bronze
valve seat ring: STD
camshaft: IN / EX solid 270-11.50
solid pivot: shim adjustable
solid pivot shim: solid pivot-only