Gm Ls 276 cc Alumin Heads Bare 70 cc, 2.165"/1.60" Valve 6 bolt Morse Cable; Part Number: AF620-04S

Part Number: AF620-04S

D x 5-1/4" (133mm) Top O

They can be easily drilled for 7/16" diameter high performance torque converter applications and are SFI 29

Made from extruded aluminum

high temperature resist fiberglass sleeve that is jacketed with anon-permeable

Gm Ls 276 cc Alumin Heads Bare 70 cc, 2.165"/1.60" Valve 6 bolt Morse Cable; Part Number: AF620-04SPart Number: AF95 0408 the series of aluminium cylinder heads are taking affordable Aeroflow performance street and strip cylinder heads to the next level. These heads utilize ultra smooth a356 t6 aluminium castings, new as cast runner and chamber designs produce excellent flow numbers. This combined with a 5 angle competition valve job, diamond honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best