Proflow Cylinder Heads, LS1 SuperMax 235, Holden Commodore, Chevrolet, Aluminium, Bare 63cc Chamber, 235cc Intake Runner 15deg, Pair
Proflow Cylinder Heads, LS1 SuperMax 235, Holden Commodore, Chevrolet, Aluminium, Bare 63cc Chamber, 235cc Intake Runner 15deg, Pair
LS1 AirMax 210, Aluminium Cylinder Heads 15deg, Holden Chev, Bare
Proflow does not sacrifice quality for a low priceyou 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.
SPECIFICATIONS |
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| Material | Aluminum A356.2 T6 |
| Combustion Chamber Volume | 62cc |
| Intake Runner Volume | 235cc |
| Intake Port Size | 2.325" H x 1.10" W |
| Intake Port Height | Standard |
| Exhaust Runner Volume | 93cc |
| Exhaust Port Size | 1.428" H x 1.708" W |
| Exhaust Port Height | Standard |
| Intake Valve Size | 2.020" |
| Exhaust Valve Size | 1.600" |
| Valve Stem Diameter | 8.00mm |
| Valve Length | 4.9 / 5.20 |
| Valve Angle | 15 Degree |
| Valve Guide Seal Diameter | 0.502" |
| Valve Guide Material | Manganese Bronze |
| Valve Spring Pocket ID | 1.365" |
| Base of Guide | 0.560" |
| Deck Thickness | 0.375" |