Chevrolet Performance 19201807 - LSX-L92 Small Bore Head

These cylinder heads that are produced to match the L92/LS3 intake and exhaust ports. They also are designed with the LSX six bolt head pattern.

• L92/LS3 port configuration
• Produces from 356-T6 Aluminum with 5/8" thick deck
• 6 Bolts per cylinder, Aluminum construction
• Runners are in "as cast" condition
• 250cc intake port and 80cc exhaust port
• 70cc Chamber size
• Intake flow = 280 CFM@.600 / Exh flow= 180 CFM@.700
• Assembled with 2.00" Intake and 1.555" Exhaust Valves
• Beehive springs
• 15 Degree valve angle
• 3.890" minimum bore size block
• Uses LS3 / L92 rocker arms
• Requires the LS3 / L92 intake manifold

* Additional bolts with new six head bolt pattern has no effect and will work with current production LS series engine blocks. When using the LSX Block, the additional bolt pattern provides additional clamping pressure for power boosted applications.