These are CNC ported heads. All work is done in house on our own 5-axis Rottler CNC,
They come with the following:
New Qualcast Stainless Steel Swirl Polished Valves
Intake is 2.02 and Exhaust is 1.59 Valves.
New Qualcast DUAL Springs for up to .650 lift.
New retainers, spring seats and valve seals.
It is also important to review / confirm the fitment notes above to assure the vehicle specifics of the head are correct for your application. If you have any question that this may not be the correct head for your vehicle or need help in locating the correct head, please contact us via phone or email prior to making a purchase.