Not legal for sale or use on pollution controlled motor vehicles. Race-proven features and affordable pricing make this Dart Pro 1 355-T6 aluminum cylinder head one of the biggest values in racing. The head features 23 degree valve angles interlocking hardened valve seats and 11/32 in. bronze valve guides. In addition the fully assembled head includes stainless steel valves valve springs retainers locks seals studs and guideplates. It has straight spark plugs and accepts all early and late model accessory brackets. Sold each.

Specifications:
* Intake runner: 230cc
* Combustion chamber: 72cc
* Angled spark plugs
* Intake valve: 2.08 in.
* Exhaust valve: 1.60 in.
* Valve spring diameter: 1.550 in. dual valve springs