Proflow Cylinder Heads, SuperMax 210, SB Chev Aluminum, Assembled, 64cc Chamber
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, 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. These heads are capable of producing over 600 HP straight out of the box!
SPECIFICATIONS |
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| Material | A356 Aluminum |
| Intake Port Volume | 210cc |
| Intake seat size | 2.08 |
| Exhaust seat size | 1.6 |
| Intake Port Dimension | 2.200" H x 1.310" W x 3/8 Radius |
| Intake Port Location | Stock |
| Exhaust Port Volume | 80cc |
| Exhaust Port Dimension | 1.420" H x 1.545" W |
| Exhaust Port Location | 0.250" Raised |
| Combustion Chamber Size | 65cc or 72cc |
| Valve Cover Bolt Pattern | Perimeter Bolt |
| Valve Angle | 23° |
| Valve Spring Pocket Diameter | 1.580" O.D |
| Max Valve Spring Pocket Machining | 1.750" O.D |
| Warning | Do not machine spring pad any deeper. |
| Installed Height: | 2.00" |
| Installed Pressure: | 195lbs |
| Open Pressure: | 430lbs @ 500" |
| Maximum Lift: | .750" @ 1.240" |
| Coil Bind: | 1.190" |
| Spring Outside Diameter: | 1.570" |
| Spring Inside Diameter: | 0.790" |
| Spring Free Length: | 2.480" |
| Valve Spring Retainer Outside Diameter: | 1.50" |
| Deck Thickness | .750" |
| Minimum Bore Diameter | 4.000" |
| Flat Mill | .006" per cc 60cc Maximum |
| Angle Mill | .009" per cc 55cc Maximum |
| Note | Angle mills might require.120" Thick intake gasket. |
| Spark Plug Dimensions | 14mm x.750" w/Gasket Seat |
| Not Emissions Compliant | |
| 7/16 Studs Included | Included |
| 5/16 Adjustable Guide Plates | Included |
| Spark Plug Location | Angle Plug option |
| Important | Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads. |
RECOMMENDED COMPONENTS |
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| Exhaust Port Gasket, Fel-Pro #1405 | |
| Head Gasket | 350cid Fel-Pro #1003 |
| Head Gasket | 400cid Fel-Pro #1014 |
| SB Chevy Head Bolt Kit, ARP #134-3701 | |
| SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301 | |


