Proflow Cylinder Heads, LS1 SuperMax 235, Holden Commodore, Chevrolet, Aluminium, Bare 63cc Chamber, 235cc Intake Runner 15deg, Pair - PFEAHCLS1-235-BARE

LS1 AirMax 210, Aluminium Cylinder Heads 15deg, Holden Chev, Bare

Proflow does not sacrifice quality for a low price—you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your mild or high performance hot rod.

Proflow's AirMax LS1 Cylinder Heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your OEM engine operating below 6300 RPM.