Your cylinder head is built to closer than original equipment machining tolerances. It is ported and polished, built with titanium retainers and machined to a mirror smooth surface for use with a metal gasket. A competition multi angle valve job is completed and then assembled with stainless steel 1mm oversize valves, and new bronze valve guides. This is a must for highly modified engines, which enhances breathing in the 8500 to 10,500 rpm area.Please contact us for more information and core exchange.
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