Frankenstein M311 Aluminum Cylinder Head - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - GM LS-Series Oval Track Catalog Youth Helmets & Accessories this bolt-on

this bolt-on

The Pickup Is

29 in W x 20

but because they've been designed to work as a team to produce these results

Adds up to 3

Frankenstein M311 Aluminum Cylinder Head - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - GM LS-Series Oval Track Catalog Youth Helmets & Accessories this bolt-onProduct 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