Chevy Sbc 350 Straight Plug Hyd Roller Cylinder Head Top End Engine Combo Kit.

350 CHEVY HEADS BEST AND WORST

Chevy sbc 350 straight plug hyd roller cylinder head top end engine combo kit head bolts / studs our 23 degree heads utilize standard head bolts or studs. X 750 reach, 5/8 hex, gasket seat sparkplugs like NGK R5671A-7, Autolite 3924, Champion RC12YC, etc. Intake Basic Operating RPM Range.