LS3/L92/LSX Rectangle Port Suit GM LS 4-Bolt Block
The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.
Aeroflow’s LS3 Chevy cylinder heads are designed for high performance street / race engines. Made from A356 aluminium castings. These bare cylinder heads accept 2.165″ (55mm) diameter intake valves and 1.6″ (40.64mm) exhaust valves. We have a 4-bolt design to suit factory 4-Bolt GM blocks or a 6-bolt design to suit standard or LSX blocks. Available in ‘As Cast’ or Full CNC Ported models.
Chamber Volume: 70cc Chamber
Intake port volume: 276cc
Intake valve size: 2.165″ (55mm)
Exhaust valve size: 1.60″ (40.64mm)
Valve spring diameter: suit factory diameter springs
Rocker style: 11° LS3
Spark plug style: Factory
Flow Chart cfm @ H2O
L92, LS3, LSX
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