Car Culture HQ
Automotive Wiki

Engine

Ported Head

A cylinder head with intake and exhaust ports reshaped for higher airflow.

Definition

Porting must balance velocity and volume for the intended rpm range.

Often combined with larger valves and upgraded springs.

Related terms

  • PistonA cylindrical component that moves up and down inside the cylinder, transferring
  • CrankshaftThe main rotating shaft that converts reciprocating piston motion into rotationa
  • CamshaftA shaft with lobes that open and close intake and exhaust valves at precise timi
  • Cylinder HeadThe top section of the engine housing valves, ports, and often the combustion ch
  • Engine BlockThe main structural casting that houses cylinders, crankshaft bearings, and ofte
  • ValvetrainThe assembly of valves, springs, retainers, rockers, and camshaft that controls

Category: Engine · Updated August 31, 2026