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AFR Cylinder Heads
Small Block Ford 205cc runner Race Cylinder Heads
with current pricing

AFR 205cc Aluminum Performance 20° Cylinder Heads-

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afr cylinder head

*--click here to see cylinder head listings and pricing--
*--The new 205cc flows an incredible 21 CFM more at peak flow while still averaging 7 CFM more at .200 to .500 lift over our previous best 205cc runner--
*--If you’re looking for the most powerful standard type small block Ford street/strip head, AFR’s 205 head is your answer--
*--With lightweight 8mm 2.080 intake valves and 1.600 exhaust valves,58 and 72cc chambers, this head moves tremendous volumes of air through conservative runner volumes--
*--Exhaust port and bolt pattern are raised .125 higher than stock, the new 205cc is the ultimate choice for 331 through 392 engines operating from 3500 RPM to 8000 RPM--
*--Exhaust port is drilled for standard 2” spacing that fit factory headers and also drilled for 3” spacing to accept larger O.D. headers--
*--see basic parts list for the included parts in the head assembly and some suggestions on manifolds and gaskets--
*--A 3/4” thick head deck makes the AFR head ideal for nitrous or blower applications--great tech help @ www.airflowresearch.com--
Note:High flow 2.080 valves might require aftermarket pistons notched for valve clearance--Will not accept rail type rocker arms--Hardened push rods required on all applications--

If you need assistance in selecting the best AFR cylinder head for your application, you may want to e-mail support@dfperformance.com a description of your combination or call 856-767-4095 or 856-767-7740, and we'll see if we can help out.

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FREE ground SHIPPING inside the continental USA on purchases over $2900.00--allow about 2-3 weeks for Cylinder Head orders to ship--
check out AFR SBF Cylinder Head Options to add a few items you may need--

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SBF 205cc runner go to
Flow Charts
go to
SBF Head Options
Top
afr cylinder headAFR SBF 205cc Cylinder Head
Note the dual exhaust bolt pattern (pictured at left) with standard 2” spacing and 3” spacing for larger O.D. headers, included on the 195cc Comp package, 205cc and the 220cc cylinder head
ideal for the 331-392cid track engines operating from 3500rpm to 8000rpm--
  see basic parts list for the parts included in the head assembly and some suggestions on manifolds and gaskets--- 
see    SBF Cyl Head Options for valve spring,titanium retainer,valve upgrades or CC rocker arms-
cc stud mount
or pedestal
part # v/dia. runner
cc
spring retainer seat pressure open pressure max. lift price/pair buy
58
cc
7/16 stud 1454 2.08/1.600 205 Bare heads have full cnc port/comp valve job-58cc $1870.16
1450 2.08/1.600 205 1.550 steel 225 600lbs .710 $2045.13
72
cc
7/16 stud 1459 2.08/1.600 205 Bare heads have full cnc port/comp valve job-72cc $1870.16
1458 2.08/1.600 205 1.550 steel 225 600lbs .710 $2045.13
go to
SBF 205cc
Flow Charts go to
SBF Head Options
Top
AFR 205cc Renegade Street Head-tested on 4.06 bore Cylinder Head Flow Chart cfm @28" H2O
valve size .200 .300 .400 .500 .600 .700 .800
2.08 int. 149 205 264 296 295 316 334
1.600 exh. 126 173 220 246 251 255 258
go to
SBF 205cc
go to
Flow Charts
SBF Head Options Top
the AFR SBF Cylinder Head Options listed below
may only be ordered along with a complete set of AFR Cylinder Heads--
--keep in mind, free shipping for purchases totaling $2900.00 or more for USA zipcodes--
Item description price buy
titanium valves --AFR upgrade #7513-inconel exhaust valves replace the stainless valves that are normally supplied with the heads-used in high heat situations such as forced induction or nitrous $170.72
titanium retainer --AFR upgrade #8508--10° Titanium Retainers and 10° Valve Locks installed in place of the 7° steel retainers and 7° valve locks that are normally supplied $190.12
valve spring --AFR upgrade #8027--(for Mechanical roller cams only) valve spring pn#8000 is replaced by the heavier pn#8001 Pacaloy spring w/250lbs seat pressure and 760lbs open pressure (@.800 lift) with a max lift of .800 $161.00
valve spring --AFR pn#8051 valve spring option--(for Hi-RPM Hydraulic roller cams)--mechanical roller valve spring pn#8000 is replaced by the lighter hydaulic roller valve spring pn#8002 w/170lbs seat pressure and 473lbs open pressure (@.600 lift) with a max lift of .650 (check with your cam manufacture for necessary spring pressures) $55.00
valve spring --AFR #8050 valve spring option for solid flat tappet cams and hyd rollers, (check with your cam manufacture for necessary spring pressures) trades the 8000 spring for the 8016 spring, that is 1.550 diameter, 140 lbs seat and 375 lbs open at .525 lift with a max lift of .600 (check with your cam manufacture for necessary spring pressures) $55.00
comp cams ultra pro magnum rocker --Comp Cams ULTRA Pro Magnum Roller Rocker-choice of 1.6 ratio for 3/8 or 7/16 rocker stud-"Lifetime Guarantee" so strong that the body is guaranteed for life against breakage and unlike alum. rockers, rockers can be rebuilt by replacing the trunion, roller tip, and bearings thru Comp Cams-

the AFR SBF Cylinder Head Basic Package Components are listed below
and a few specifications and suggestions for Supporting Components--NOTE: All AFR 205cc have 1/2" head bolt holes, so if the block you are using has 7/16" threads for the head bolt, you will need a head bolt/stud kit that contains the 1/2"-7/16" reducer bushing-see head bolts just below
parts incl. w/Heads part # some suggestions
Intake Valve 2.08x5.006 Oal #7255 Cyl Head torque w/moly--70lbs(7/16")
Exhaust Valve 1.600x5.024 Oal #7254 Cyl Head torque w/moly--100lbs(1/2")
Mech Roller Spring-1.550 225/600lbs AFR #8000 Rocker stud Torque--------55lbs
Thermactor Air Injector #6226 Int Gasket(1.280x2.10)--FP1262/AFR6832
Manley 10° Chrome Moly Retainer 8511 Exh Gasket----------AFR#6839 or FP#1487
Bead Lock 10° valve keepers AFR#9009 7/16" Head "Bolts"
--ARP#154-3601(6pt) or #154-3701(12pt)--
7/16" Head bolts with 1/2"-7/16" Bushing
--ARP #154-3605(6pt)or #154-3705(12pt)--
Adjustable Guide Plates-5/16 #6103 7/16" Head "Stud" kit
--ARP#154-4001(6pt) or #254-4401(12pt)--
7/16" Head Stud kit with 1/2"-7/16" Bushing
--ARP#154-4005(6pt) or #154-4205(12pt)--
Viton Valve Seals #6612 1/2" Head "Bolts" --ARP#154-3603(6pt)
Rocker Stud-7/16 #6405 1/2" Head "Stud" kit
--ARP#154-4003(6pt) or #154-4203(12pt)
Hardened Spring Cup #8048 (Int and Exh) Manifolds------Vic Jr, Super Victor
Intake Valve Seats #9058 Spark Plugs-----Autolite 3922
Exhaust Valve Seats #9069 Stud Girdle----------AFR#6207
Bronze Valve Guides-(Int and Exh) #9051 valve spring pockets can be cut to 1.625, no deeper