Dart Pro 1 Aluminum Cylinder Head (Bare) - SB Chevy - 230cc Intake Runner, 64cc Comb. Chamber, Angle Plug Helmet Visor Screw Kit Must use factory firing order

Must use factory firing order

Ideal for many motorsports applications

They are both forged from aerospace alloy and heat-treated prior to thread rolling and machining

7L HEMI 1-3/4 SHORTY HEADERS (CERAMIC)Why follow when you can lead

but adds a clever new adjustable tether system

Dart Pro 1 Aluminum Cylinder Head (Bare) - SB Chevy - 230cc Intake Runner, 64cc Comb. Chamber, Angle Plug Helmet Visor Screw Kit Must use factory firing orderAffordable Pro 1 cylinder head has outstanding air flow with no additional port work. Intake runner volumes of 200cc, 215cc, 227cc and 230cc are available to fit the needs of any small block Chevy. Bare castings have a multi angle performance valve job and bronze valve guides. Valve train components for bare heads may be added by purchasing the corresponding parts kit. Part numbers ending with "P" are Platinum Series, which include "Speed Flow"