Proflow Cylinder Heads SuperMax 225, Bare, Aluminium, Ford 302-351 Cleveland, 3V, 73cc Chamber, 225cc Intake Runner, 630HP Out of Box, Pair - PFEAHF21573-3V-BARE
Proflow Cylinder Heads SuperMax 225, Bare, Aluminium, Ford 302-351 Cleveland, 3V, 73cc Chamber, 225cc Intake Runner, 630HP Out of Box, Pair - PFEAHF21573-3V-BARE is not in stock at Fast Lane Spares and will ship direct from supplier
Description
Description
Part Number: PFEAHF21573-3V-BARE
Proflow Cylinder Heads, SuperMax 225, SB Ford 302, 351C, 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, 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. Note: Additional clearancing may be required if using hyraulic roller camshaft.
SPECIFICATIONS
Material:
356 Alloy, T6
Chamber Volume:
72cc
Complete Assembly options available in all chamber sizes
Intake Runner Volume:
231CC
Intake Port location:
raised.125 3V design
Minimum Cross Section:
2.53 square inches MCSA
Exhaust Runner Volume:
125cc - high velocity
Exhaust Port Location:
Raised.080 (near stock location)
Valve sizes:
Intake 2.10 (45 degree seat, custom 5 angles) Exhaust 1.650 (45 degree seat )
Valve Guide Angles:
Canted Valve angles Intake 10 x 4 degrees Exhaust: 9.5 x 3.0 degrees
Valve Guides:
Manganese Bronze.502 x 11/32 stems
Valve Seat Inserts:
Intake: 2.250 x 1.880 x 3/8 (Durabond 7000) Exhaust: 1.680 x 1.430 x 3/8
Spark Plugs:
relocated for efficient fast burn ¾ reach, 5/8 hex, washer seat (NGKBCP7ES)
Spring Pads:
1.570 od/.560 id
Valve Spring Height:
1.960 (with stock length valve)
Pushrods:
5/16 or 3/8 (check required length)
Rocker Arm Studs:
7/16 unc
Rocker Arm Type:
7/16 stud mounted roller rockers (1.73 ratio) or Yella Terra Planuim #6321 OR T&D shaft
Ext Water Port:
Heads have 3/4 npt tapped hole on each end which need to be plugged if not used
Head Bolts:
Accept oem length bolts or studs
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