Other products by AFR
Item #: 2010-TI
Reg. Price: USD $3,599.00
Our Price: USD $3,591.00
Quantity:
 

Description 

357cc Rectangle Port "Magnum" BBC 24°

AFR’s Magnum Series

AFR's 357cc heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race applications or radical "Pro Street" builds with displacements up to 605 cubic inches.

Note:

1" longer head bolts needed on four bottom exhaust bolt holes.

AFR 357cc BBC CNC Aluminum Cylinder Head Flow Chart

357 BBC Cylinder Head Flow Chart

Included Components
5-angle valve job
100% CNC Ported Chambers, Exhaust, and Intake
AFR #762611/32" Intake Valve, 2.300" x5.500" O.A.L
AFR #763111/32" Tulip Exhaust Valve, 1.880" x 5.450" O.A.L
AFR #8031PAC Racing Spring #1224 1.625 O.D. Solid Roller, 275lbs on seat, .850 Maximum Lift, Max RPM 7400-7600
AFR #8518Manley 10° Steel Retainers 1.500" O.D x 1.168" I.D x .844" I.D
AFR #900510° 11/32" Valve Locks with lashcap recess
AFR #6406ARP 7/16" Rocker Exhaust Studs
AFR #6407ARP 7/16" Rocker Intake Studs
AFR #6109Adjustable 3/8" Guide Plates
AFR #661111/32" Viton Valve Seals
AFR #8046Hardened Spring Cup 1.740" O.D / 1.650" I.D
AFR #9062Intake Valve Seats 2.450" O.D x 2.000" I.D x .375" Deep
AFR #9064Exhaust Valve Seats 2.000" O.D x 1.580" I.D x .375" Deep
AFR #904511/32" Intake Bronze Valve Guides .531" O.D x 2.10" O.A.L
AFR #904611/32" Exhaust Bronze Valve Guides .531" O.D x 2.25" O.A.L

Specifications & Features:
A356 AluminumMaterial
357ccIntake Port Volume
2.515"H x 1.780"W x 11/32 RadiusIntake Port Dimension
StockIntake Port Location
135ccExhaust Port Volume
1.780"H x 2.025" WExhaust Port Dimension
.375" RaisedExhaust Port Location
121ccCombustion Chamber Size(Full CNC)
Perimeter BoltValve Cover Bolt Pattern
24°/4° Int, 15°/4° ExhValve Angle
1.725" O.DValve Spring Pocket Diameter
1.750" O.DMax Valve Spring Pocket Machining
.750"Deck Thickness
4.250"Minimum Bore Diameter
.006" per cc/ Maximum 114ccFlat Mill
.009" per cc/Maximum 104cc Angle Mill
Note:Angle mills might require a .120" Thick intake gasket.
3.435 sq. in. Minimum Cross Sectional Area
14mm x .750" w/Gasket SeatSpark Plug Dimensions

Recommended Components:
AFR #6854 (.120" Thick)Intake Port Gasket
AFR #6856 (.060" Thick)Intake Port Gasket
Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads.
AFR #6858Exhaust Port Gasket
AFR #6849Head Gasket, Fel-Pro #1047 (Mark V and VI)
AFR #6850Head Gasket,, Fel-Pro #1017-1 (Mark IV)
AFR #6306Head Bolts, ARP 135-3703 (Mark IV)
AFR #6308Head Bolts, ARP 135-3707 (Mark V)
AFR #6307Head Studs, ARP 235-4713
AFR #6320Head Bolt Washers, Manley
AFR #6202Stud Girdle, (AFR Specific)
Victor JrSuggested Manifold
Super VictorSuggested Manifold
Autolite 3932Spark Plug Starting Range

 

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