this is a gsr head with complete supertech valvetrain

has supertech aluminum retainers, 70lb dual springs and flat valves

it was just resurfaced from the machine shop and is ready to slap on


its only complete with the head with valvetrain, cam caps and oil rails and its bolts

have pics please send me a text at 7816062829 for pics

asking 600obo pluss shipping!! the head is still clean! and only have a few hundred miles on it