Frankenstein M311 Aluminum Cylinder Head - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - GM LS-Series Motul Etched foil design distributes heat

Etched foil design distributes heat evenly

Base fuel pressure adjustable from 3-15 PSI (1) ORB-10 inlet port and (1) ORB-8 return port

3 in Radius

A Visor Strip and Tear-Off Posts are included

Skyjacker has something for any truck or SUV

Frankenstein M311 Aluminum Cylinder Head - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - GM LS-Series Motul Etched foil design distributes heatProduct Description: Cylinder Head M311 Bare 2. 165 1. 600 in Valves 273 cc Intake 71 cc Chamber Aluminum LS3 GM LS Series A designer and manufacturer of top quality high performance cylinder heads and intake manifolds for GM's popular LS series engines as well as other performance powerplants, Frankenstein Engine Dynamics specializes in taking a high output engine to the next level. They also offer premium camshafts and valvetrain components designed