Frankenstein M311 Cylinder Head - Assembled - 2.165/1.600 in Valve - 273 cc Intake - 71 cc Chamber - LS3 - GM LS-Series Titanium Hose and Wire Sleeve All Pro Heads

All Pro Heads

Fits all B&M Magnum Grip Shifters

Exclusive "Swept Wing" design is more efficient than traight-blade fans and reduces amperage draw

2-1/4 in Thick

2-5/8 in Gauges

Frankenstein M311 Cylinder Head - Assembled - 2.165/1.600 in Valve - 273 cc Intake - 71 cc Chamber - LS3 - GM LS-Series Titanium Hose and Wire Sleeve All Pro HeadsProduct Description: Cylinder Head M311 Assembled 2. 165 1. 600 in Valve 273 cc Intake 71 cc Chamber Aluminum LS3 GM LS Series Sold Individually 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