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.

SPECIFICATIONS

Material Aluminum A356.2 T6
Combustion Chamber Volume 63cc
Intake Runner Volume 210cc
Intake Port Size H x W 3.19" x 1.015"
Intake Port Height Compared to OE Standard
Exhaust Runner Volume 82cc
Exhaust Port Size H x W 1.40" x 1.66"
Exhaust Port Height Compared to OE Standard
Intake Valve Size 2.020"
Exhaust Valve Size 1.600"
Valve Stem Diameter 8.00mm
Valve Length 4.88
Valve Angle 11 Degree
Valve Guide Seal Diameter 0.5"
Valve Guide Material Manganese Bronze
Valve Spring Pocket ID 1.50"
Deck Thickness 0.425"

More From This Category

AFR Cylinder Head, 12° LS3 Enforcer As Cast 238cc Int Runner, 72cc Chamber, Assembled

AFR Cylinder Head, 12° LS3 Enforcer As Cast 238cc Int Runner, 72cc Chamber, Assembled

$1,661.15

AFR Cylinder Head, 15° LS Cathedral Port 205cc As Cast FOR PORTERS ONLY, No porting, Valve Job,

AFR Cylinder Head, 15° LS Cathedral Port 205cc As Cast FOR PORTERS ONLY, No porting, Valve Job,

$3,386.30