In stock and ready to ship, NOW! Our FED 11* LS3 based heads are ideal for ANY L92/LS3/LSA/LS9 application.
FED .660″ Dual spring kit with Ti retainers.
Manley Performance Products, Inc. 2.165″/1.600″ int/exh valves.
Rocker stands for factory rockers, CNC port, CNC valve job, hand blend, surfaced, and assembled.
Int: 374cfm @ .700″ // 279cfm @ .400″
Exh: 262cfm @ .700″ // 174cfm @ .400″
Minimum bore size: 4.070″