AFR 1451/1456 SBF 220/58 OR 72CC .710 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE

Regular price $ 2,190.62

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

Our largest and highest flowing head for the small block ford is the best in-line head money can buy. Featuring 220cc intake runners, this package is recommended for race applications and radical "Pro-Street" builds. Available with 58cc or 72cc combustions chambers, you can further customize your setup with our various components upgrades and available machining options.

SBF 220cc Aluminum Cylinder Heads
Part # Rocker Type Combustion Chamber
1451 Stud Mount 58cc
1456 Stud Mount 72cc

Click part # to add product to your cart

220cc Street Head Flow Chart
  .200 .300 .400 .500 .600 .700 .800
Int 149 205 264 296 318 334 338
Exh 126 173 220 246 251 255 258

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.155", 3/4" radius plate exhaust, 1 7/8" curved pipe

Included Components
100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
Competition 5-angle Valve Job
8mm Bead Lock Intake Valve 2.100" x 5.000" O.A.L.
7256
8mm Bead Lock Exhaust Valve 1.570" x 5.030" O.A.L.
7248
PAC Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400
8000
Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D
8511
10° Bead Lock Keepers with lashcap recess
9009
ARP 7/16" Rocker Studs
6405
Adjustable 5/16" Guide Plates
6103
Viton Valve Seals .600" O.D x .495" I.D
6612
Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D
8048
Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep
9059
Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep
9069
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L
9051
Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
220cc
Intake Port Dimension
2.265" H x 1.325" W x 3/8 Radius
Intake Port Location
Stock
Exhaust Port Volume
70cc
Exhaust Port Dimension
1.445" H x 1.595" W
Exhaust Port Location
Raised .375"
Combustion Chamber Size
58cc or 72cc
Valve Cover Bolt Pattern
Perimeter Bolt
Valve Angle
20°
Valve Spring Pocket Diameter
1.580" O.D
Max Valve Spring Pocket Machining
1.580" O.D
Deck Thickness
.750"
Minimum Bore Diameter
4.000"
Flat Mill
.006" per cc 55cc Max (from 58cc); 69cc Max (from 72cc);
Angle Mill
.009" per 52cc Max (from 58cc); 66cc Max (from 72cc);
Minimum Cross Sectional Area
2.345 sq. in.
Spark Plug Dimensions
14mm x .750" w/Gasket Seat
Head Bolt Diameter
1/2"

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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Warning: May cause cancer and reproductive harm.