MHS 4.6L / 5.4L 4V Stage 6 N/A Camshafts

These Camshafts are designed for all out N/A power. Built bottom end with 11:1 - 13:1 Compression, Ported Cylinder Heads and Ported Short Runner or Sullivan Intake needed. Upgraded Valves with single radius groove highly suggested due to RPM range. 4.30 - 4.56 gears and 4200 - 4600 stall recommended. Shift points will be anywhere from 7800 - 8200 depending on what cylinder heads and intake manifold are used. Very Rough idle. These are the largest N/A camshafts we advertise. If you feel you need something larger, or something more race specific, please contact us and we can spec you out something. Please include as many details as possible.