Four LSX street head configurations are offered: The LSX-LS7 head, the LSX-LS3 head, the LSX-LS9 head and the LSX-L92 Small Bore head. The LSX-L92 head features smaller combustion chambers that are compatible with smaller-bore LS1 and LS6 engines. The street heads accommodate valve springs with up to 1.37" diameter bases, but can be machined for larger springs.

19419196 Chevrolet Cylinder Head

• Fully CNC Ported
• 6-bolt per cylinder bolt pattern
• LS7 style rectangle port design
• 12° valve angle
• Minimum 4.100" bore
• 70cc "as-cast" combustion chambers
• Uses LS7 rocker arms/LS7 bolts
• 397 cfm@0.700" intake, 230 cfm@0.700" exhaust