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AFR SBF 185 Aluminum Race Heads, FREE FREIGHT - IN STOCK!

Starting at: $1,510.00  $1,510.00
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AFR 185cc Emission Legal
SBF Outlaw Street Cylinder Head

The Ultimate Bolt-On Emission Legal Street/Strip Weapon

If you need the world’s finest street/strip small block Ford head, check out AFR’s all new 185cc intake port emissions legal (CARB EO #250-3) cylinder heads. With 2.020 intake valves, 1.600” exhaust valves, combustion chamber volumes of 58cc or 72cc, and 69cc exhaust ports, AFR’s new 185cc Ford head is designed for 302-351 cid engines operating from 1500 rpm to 6500 rpm. A 3/4” thick head deck makes the AFR head ideal for nitrous or blower applications. Will not accept rail rocker arms. Hardened pushrods required with heads #1420 and #1422. High flow 2.020 valves might require aftermarket pistons notched for valve clearance. Note: 1986 5.0L must have pistons notched for clearance.

Note:

Hydraulic roller cams typically experience valve float at 6000-6200 rpm because of their fast ramp rates. AFR suggests you upgrade your springs to AFR part #8047, 1.290 O.D. with higher spring pressures to reduce chances of valve float associated with rpm’s 6200 or higher.
afr185cc-Ford-Head-Flow-Graph_1.gif

Basic Package Components

100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
Competition 3-angle Valve Job
Intake Valve, 2.020” stud mount, AFR #7204
Exhaust Valve, 1.600” stud mount 58cc, AFR #7219
Exhaust Valve, 1.600” stud mount 72cc, AFR #7220
Intake Valve, 2.020" Pedestal, AFR #7206
Exhaust Valve, 1.600 Pedestal, AFR #7226
1.290” OD Hydraulic Dual Valve Spring with dampner, 135 lbs. on seat, .600” maximum lift (upgrades available), AFR #8017
10º Chrome Moly Retainers, AFR #8510
10º Valve Locks, AFR #9005
3/8” Rocker Studs, AFR #6410
5/16” Guide Plates, AFR #6107
Valve Seals, AFR #6611
Hardened Shims, AFR #8043
Intake Valve Seats, AFR #9058
Exhaust Valve Seats, AFR #9069
Bronze Valve Guides, AFR #9049
Thermactor Air Injector, AFR #6226
Special orders available upon request.
All Accessory Holes are Predrilled & Tapped!

Specifications, Features, and Supporting Components

Head Torque 100 Ft. Lbs. with 1/2” stud
Rocker Stud Torque 55-60 Ft. Lbs.
Rocker Pedestal Torque 25-30 Ft. Lbs.
Intake Port Gasket, 1.280” x 2.100” with 3/8” radius AFR #6832
Exhaust Port Gasket Fel Pro #1415, AFR #6837
Head Gasket 1962-82, Fel Pro #1011-1, AFR #6808
1983-93Fel Pro #1011-2, AFR #6809
Head Bolts & Studs Standard ARP, AFR #6318 & #6317
Head Bolt Washers Manley, AFR #6320
Head Bolt Bushings, 1/2”-7/16” Standard ARP, AFR #6324
Stud Girdle Standard
Suggested Manifold RPM Performer, Vic Jr.
Spark Plug Starting Range Autolite 3924
Combustion Chambers 58cc or 61cc
Spring Pocket can be cut to 1.625, no deeper.
Valve Spacing Standard
Rocker Arms Standard, will not accept rail rocker arms
Valve Angle Standard
Angle Mill (10cc Maximum Mill) .008” per cc
Flat Mill (4cc Maximum Mill) .006” per cc

Note: Milling head deck will affect flow numbers.


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  • Model: AFR 185 1388
  • 81 Units in Stock
  • Manufactured by: Airflow Research

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This product was added to our catalog on Sunday 19 December, 2004.

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