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222
NZD $72,328.56 222 items

Subtotal: NZD $72,328.56

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222
NZD $72,328.56 222 items

Subtotal: NZD $72,328.56

View cartCheckout

Proflow Cylinder Heads, SuperMax 360 , Aluminium, Assembled 120cc Chamber, Straight Plug, 360cc Intake Runner, BB Chevrolet, Pair

NZD $3,701.10

4 in stock

Proflow Cylinder Heads, SuperMax 360, Aluminium, BB Chevrolet, Assembled

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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.

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This BBC cylinder head is recommended for agressive street or street/strip applications with displacements up to 540 cubic inches, operating at or below 6800 RPM. 1.625 O.D. Solid Roller, 275lbs on seat, .850 Maximum Lift.

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Specifications & Features:MaterialA356.2 AluminumIntake Port Volume360ccIntake seat size2.3Exhaust seat size1.88Intake Port Dimension2.515″H x 1.780″W x 11/32 RadiusIntake Port LocationStockExhaust Port Volume135ccExhaust Port Dimension1.780″H x 2.025″ WExhaust Port Location.375″ RaisedCombustion Chamber Size121ccValve Cover Bolt PatternPerimeter BoltValve Angle24°/4° Int, 15°/4° ExhValve Spring Pocket Diameter1.725″ O.DMax Valve Spring Pocket Machining1.750″ O.DDeck Thickness.750″Minimum Bore Diameter4.250″Flat Mill.006″ per cc/ Maximum 114ccAngle Mill.009″ per cc/Maximum 104ccNote:Angle mills might require a .120″ Thick intake gasket.Minimum Cross Sectional Area3.435 sq. in.Spark Plug Dimensions14mm x .750″ w/Gasket SeatIntake Valve Seat Machine Style:5-angle
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11/32″ Intake Valve, 2.300″ x5.500″ O.A.L
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11/32″ Tulip Exhaust Valve, 1.880″ x 5.450″ O.A.L
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 Racing Spring #1224 1.625 O.D. Solid Roller, 275lbs on seat, .850 Maximum Lift, Max RPM 7400-7600
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10° Titanium Retainers 1.490″ O.D x 1.180″ I.D x .765″ I.D
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10° 11/32″ Valve Locks with lashcap recess
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ARP 7/16″ Rocker Exhaust Studs
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ARP 7/16″ Rocker Intake Studs
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3/8″ Guide Plates
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11/32″ Viton Valve Seals
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Hardened Spring Cup 1.740″ O.D / 1.650″ I.D
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Intake Valve Seats 2.450″ O.D x 2.000″ I.D x .375″ Deep
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Exhaust Valve Seats 2.000″ O.D x 1.580″ I.D x .375″ Deep
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11/32″ Intake Bronze Valve Guides .502″ O.D x 2.10″ O.A.L
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11/32″ Exhaust Bronze Valve Guides .502″ O.D x 2.25″ O.A.L
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Recommended Components:Intake Port Gasket (.120″ Thick)Intake Port Gasket (.060″ Thick)Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit the heads.Exhaust Port Gasket
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Head Gasket, Fel-Pro #1047 (Mark V and VI)
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Head Gasket,, Fel-Pro #1017-1 (Mark IV)
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Head Bolts, ARP 135-3703 (Mark IV)
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Head Bolts, ARP 135-3707 (Mark V)
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Head Studs, ARP 235-4713
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Head Bolt Washers, Manley
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Stud Girdle
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7/16 Stud Mount Rocker Arms – 1.7 Ratio (For Optimized Geometry)
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1.7 Shaft Mount Rocker Arms T&D
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Suggested ManifoldVictor JrSuggested ManifoldSuper VictorSpark Plug Starting RangePump Gas 3924 / Race Gas 3922

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