AFR 0916/0911 SBC 180/65 OR 75CC .600 LIFT ASSEMBLED YOUR CHOICE OF CHAMBER SIZE

Regular price $ 4,119.08

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

AFR’s 180cc “Street” heads are a cost effective performance choice over re-worked factory heads. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for street, towing, or street/strip engines with displacements up to 383 cubic inches, operating up to 6000 RPM. Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250-2. Component upgrade and machining options are available to customize AFR Heads to your specific build. To ensure trouble free operation of AFR cylinder heads & parts please view the footnotes on pg. 50 for additional information.
180cc Aluminum SBC Cylinder Heads
Part # Plug Type Combustion Chamber
0911 Straight 75cc
0916 Straight 65cc
0917 Angle 75cc
0918 Angle 65cc
0919* Angle 65cc

*For 1987-1995 with 72° bolt angle, Perimeter Bolt Valve Cover Only
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180cc Street Head Flow Chart
  .200 .300 .400 .500
Int 138 198 240 260
Exh 110 158 190 207

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" 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, 2.020" x 4.900" Overall Valve Length
7251
8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length
7250
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring,
140 lbs on seat, .600" maximum lift, Max RPM 6300-6500
8017
7° Manley Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D
8514
7° Bead Lock Valve Keepers
9007
ARP 3/8" Rocker Studs
6409
Adjustable 5/16" Guide Plates
6103
Viton Valve Seals .600" O.D x .495" I.D
6612
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D
8042
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep
9060
Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep
9070
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L
9051
Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
180cc
Intake Port Dimension
2.050" H x 1.250" W x 5/16° Radius
Intake Port Location
Stock
Exhaust Port Volume
64cc
Exhaust Port Dimension
1.450" H x 1.550" W
Exhaust Port Location
.100" Raised
Combustion Chamber Size
65cc or 75cc
Valve Cover Bolt Pattern
Perimeter Bolt
Valve Angle
23°
Valve Spring Pocket Diameter
1.460" O.D
Max Valve Spring Pocket Machining
1.750" O.D
Warning: Do not machine spring pad any deeper.
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.
Minimum Cross Sectional Area
1.810 sq. in.
Spark Plug Dimensions
14mm x .750" w/Gasket Seat
Carb EO#
D-250-2

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Warning: May cause cancer and reproductive harm.