NKA Stealth Race Head Bare or Assembled

Product Description

These "STEALTH" heads are among the best in the country and are the secret behind the power of many of the top clones in the nation. These heads are completely Blue Printed and built to the max of the rule book, Valve Seats, Valve Pockets are all massaged to give you the best performance you can get within the rule book. The heads include a CNC'd 3 Angle Valve Job, Bowl Work, and other work done to gain maximum performance.

These heads come bare or assembled and are ready to bolt on.

Assembled heads come with Shorter and Lighter Valves, your choice of TRJ Karting Race Series, WMS Tuck n' Run or Dyno Cam Valve Springs with the spring height already set.

Please allow up to 2-3 days for your head to ship.

Seats and guides are removed. The Head is then heat cycled in a 4500w oven for 6 hours, ice chilled then heat cycled for another 6 hours, reducing seat warpage during engine use. Appropriate machine work is performed, then the heads are hand finish. New Guides are installed squared to the seat, new proprietary valve seats are installed then cut on a Newen CNC Valve Seat machine. Heads are then ready for assembly.

Does not include rocker arms or related hardware