ATK High Performance Engines Cylinder Heads

ATK High Performance Vortec Cylinder Heads

Vortec heads are known for cracking in different locations and can be costly to fix. ATK High Performance Vortec cast iron cylinder heads save you the time and trouble of sourcing cores and waiting the long lead times at machine shops. ATK has used thousands of these heads in their combinations; they are proven upgraded castings with upgraded valve springs that allow for the use of a hydraulic roller or hydraulic flat tappet camshaft up to .525 in. lift to be used. Some features: * Cast iron construction * Stainless steel valves * Cast iron valve guides * Viton® valve seal * Steel retainers * Screwed in rocker studs * Straight spark plug style * Accessory bot holes * Assembled

Not Yet Reviewed