Description
EngineQuest Performance Cast Iron Cylinder Head Bare 1.840 1.5 in Valves 170 cc Intake Small Block Chevy BDD1050457 Detroit Truetrac 912A556 28 Spline With Steam HolesSince 1989 Size:Small (55) EAS21974 WM485MD Detroit Truetrac 912A556 28 Spline 1 C7 R7 Valve