Dart Pro 1 Aluminum Cylinder Head - Assembled - 64cc Chamber - 227cc Intake Runner - SB Chevy 327, 350, 400 - Angle Plug - 2.08", 1.60" Valves 20194MLK 1972-1972 GMC K15/K1500 Pickup

1972-1972 GMC K15/K1500 Pickup

Load Controller II

The helmet can be used with or without ear cups

1/2-20 in Right Hand Thread

Hummer H2 2009-2003

Dart Pro 1 Aluminum Cylinder Head - Assembled - 64cc Chamber - 227cc Intake Runner - SB Chevy 327, 350, 400 - Angle Plug - 2.08", 1.60" Valves 20194MLK 1972-1972 GMC K15/K1500 PickupEngine and Performance Recommendations for this cylinder head: Ultimate 23" Head, Maximum competition, Heads Up & Super Classes over 7000 rpm, 400+ c. i. PRO 1 aluminum cylinder heads for small block V8's deliver advanced airflow technology at an unbeatable price! There's a PRO 1 head for virtually every small block engine. We offer a choice of four intake runner sizes (180cc, 200cc, 215cc, and 230cc), two chamber volumes (64cc and 72cc), five valve