AFR cylinder head logo

AFR Cylinder Heads
AFR Small Block Chevy 180cc and 195cc Eiminator
SBC Performance Street Head

with current pricing

AFR SBC 180-195cc Aluminum Performance 23° Cylinder Heads

click here to enlarge AFR Cylinder Head Image
afr cylinder head

*--click here to see cylinder head listings and pricing--
*--180cc and 195cc cylinder head come in both a straight and angle plug version " 65cc or 75cc combustion chamber--
*--both models feature perimeter valve cover bolt pattern-center bolt valve cover pattern is a machining option see AFR SBC Cylinder Head Options--
*--both models have raised exhaust port and bolt pattern .100 (3/32”) over GM L98 Heads, rarely affecting header or chassis fitment and 2 center intake bolts at 72º angle--
*--180cc head is equipped with a 2.02/1.600 8mm LW valve for an ideal operating range of idle to 5500 rpm--
*--195cc head is equipped with a 2.05/1.600 8mm LW valve for an ideal operating range of 2000 rpm to 6500 rpm--
*--195cc head w/comp pkg is prepped with a competition CNC port, 2.08/1.600 8mm LW valve " upgraded valve springs for plenty of RPM on any SBC--
*--see basic parts list 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--


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 SBC Cylinder Head Options to add a few items you may need--
NOTE: all part #'s listed below that are followed by an asterisk(*) are street emmision legal, having provisions for an EGR and air pump holes.

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SBC 180cc go to
SBC 195cc
go to
SBC 195 comp/pkg
go to
Flow Charts
go to
SBC Head Options
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afr sbc cylinder headAFR SBC 180cc Cylinder Head with Street Porting Package
AFR’s new 180cc Small BLock Chevy head is perfect for 327 and 350 engines operating from idle to 5500 rpm-emission street legal from 1969-1994 with heat riser-
  see basic parts list for parts included in head assembly and some suggestions on manifolds and gaskets--- 
NOTE: If you are going over 6200RPM, or using a lift greater than .600, AFR strongly suggests that you upgrade your springs to AFR upgrade part #8605-1.270 O.D.-see    SBC Cyl Head Options for spring upgrades, CC Ultra Pro Magnum rocker arms, 7/16 studs and titanium retainers-
cc plug part # valve/dia. runner
cc
spring retainer seat pressure open pressure max. lift price/pair buy
75
cc
straight 0911NP* 2.020/1.600 180 Bare heads have full cnc port/comp valve job $1387.10
0911* 2.020/1.600 180 1.290 steel 135 350lbs .600 $1597.59
angle 0917NP* 2.020/1.600 180 Bare heads have full cnc port/comp valve job $1387.10
0917* 2.020/1.600 180 1.290 steel 135 350lbs .600 $1597.59
65
cc
straight 0916NP* 2.020/1.600 180 Bare heads have full cnc port/comp valve job $1387.10
0916* 2.020/1.600 180 1.290 steel 135 350lbs .600 $1597.59
angle 0918NP* 2.020/1.600 180 Bare heads have full cnc port/comp valve job $1387.10
0918* 2.020/1.600 180 1.290 steel 135 350lbs .600 $1597.59
NOTE: all part #'s followed by an asterisk(*) are street emmision legal, having provisions for an EGR and air pump holes.
go to
SBC 180cc
SBC 195cc go to
SBC 195 comp/pkg
go to
Flow Charts
go to
SBC Head Options
Top
afr sbc cylinder headAFR SBC 195cc Street Porting Package
AFR’s new 195cc Small BLock Chevy head differs from the 180cc with 2.050 intake valve, more airflow and higher power range from 2000 to 6500rpm--
  see basic parts list for parts included in head assembly and some suggestions on manifolds and gaskets--- -
NOTE: If you are going over 6200RPM, or using a lift greater than .600, AFR strongly suggests that you upgrade your springs to AFR upgrade #8605-1.270 O.D.-see    SBC Cyl Head Options for spring upgrade-
cc plug part # valve/dia. runner
cc
spring retainer seat pressure open pressure max. lift price/pair buy
65
cc
straight 1034NP* 2.050/1.600 195 Bare heads have full cnc port/comp valve job $1387.10
1034* 2.050/1.600 195 1.290 steel 135 350lbs .600 $1597.59
angle 1040NP* 2.050/1.600 195 Bare heads have full cnc port/comp valve job $1387.10
1040* 2.050/1.600 195 1.290 steel 135 350lbs .600 $1597.59
75
cc
straight 1036NP* 2.050/1.600 195 Bare heads have full cnc port/comp valve job $1387.10
1036* 2.050/1.600 195 1.290 steel 135 350lbs .600 $1597.59
angle 1038NP* 2.050/1.600 195 Bare heads have full cnc port/comp valve job $1387.10
1038* 2.050/1.600 195 1.290 steel 135 350lbs .600 $1597.59
NOTE: all part #'s followed by an asterisk(*) are street emmision legal
go to
SBC 180cc
go to
SBC 195cc
SBC 195 comp/pkg go to
Flow Charts
go to
SBC Head Options
Top
afr sbc cylinder headAFR SBC 195cc "Competition Package" Cylinder Head
AFR’s 195cc with the Competition Package differs from the 195cc with Street Porting with more aggressive CNC porting " larger 2.08 intake valves resulting in more cfm thru the entire lift range, and complemented with the high lift valve spring upgrade #8605 makes it good to 7000rpm-
  see basic parts list for parts included in head assembly and some suggestions on manifolds and gaskets--- 
-for 195cc comp/pkg cylinder head flow comparisons see    AFR Flow Charts
cc plug part # valve/dia. runner
cc
spring retainer seat pressure open pressure max. lift price/pair buy
75
cc
angle 1094NP* 2.080/1.600 195 Bare heads have full cnc port/comp valve job $1793.53
1094-716 2.080/1.600 195 1.270 steel 155 430lbs .650 $2046.00
65
cc
1095NP* 2.080/1.600 195 Bare heads have full cnc port/comp valve job $1793.53
1095-716* 2.080/1.600 195 1.270 steel 155 430lbs .650 $2046.00
NOTE: all part #'s followed by an asterisk(*) are street emmision legal.
go to
SBC 180cc
go to
SBC 195cc
go to
SBC 195 comp/pkg
Flow Charts go to
SBC Head Options
Top
AFR 180cc Cylinder Head w/CNC Street Package Porting Flow Chart cfm @28" H2O
valve size .200 .300 .400 .500 .550 .600 ---
2.020 int. 138 198 240 260 --- --- ---
1.600 exh. 110 158 190 207 --- --- ---
AFR 195cc Cylinder Head w/CNC Street Package Porting tested on 4.060 bore-Flow Chart cfm @28" H2O
valve size .200 .300 .400 .500 .550 .600 ---
2.050 int. 148 201 247 275 280 --- ---
1.600 exh. 119 166 197 213 218 --- ---
AFR 195cc Cylinder Head w/CNC Competition Package Porting tested on 4.060 bore-Flow Chart cfm @28" H2O
valve size .200 .300 .400 .500 .550 .600 ---
2.080 int. 151 211 260 293 304 308 ---
1.600 exh. 125 172 207 224 229 233 ---
go to
SBC 180cc
go to
SBC 195cc
go to
SBC 195 comp/pkg
go to
Flow Charts
SBC Head Options Top
the AFR SBC 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
valve spring --#8605 valve spring upgrade trades the 8017 spring (1.290-OD) for the upgraded 8019 (1.270-OD) valve spring for over 6200RPM operation-1.270OD-155lbs seat pressure-430lbs open pressure w/.650 max. lift (check with your cam manufacture for necessary spring pressures) $72.75
valve spring --AFR #8603 valve spring option trades the 8017 spring (1.290-OD) for the valve spring #8016, 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) $87.30
titanium retainer --AFR upgrade #8600-Titanium Retainers installed in place of the steel retainers that are normally supplied $124.16
rocker stud --AFR upgrade #6411-upgrade 3/8 rocker stud to 7/16 ARP 234-7206 for maximum durabilty and strength $41.00
comp cams ultra pro magnum rocker --Comp Cams ULTRA Pro Magnum Roller Rocker -choice of 1.52 ratio or 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 SBC Cylinder Head Basic Package Components are listed below
and a few specifications and suggestions for Supporting Components--
parts incl. w/Heads part # some suggestions
180cc Intake Valve 2.02x4.903 Oal #7251 180cc Int Gasket (1.23x1.990)--AFR#6817 or FP#1256
195cc Intake Valve 2.050x4.903 Oal #7252 195cc Int Gasket (1.28x2.090)--AFR#6810 or FP#1205
195cc Comp pkg Intake Valve 2.080x4.903 Oal #7259 195cc Comp Int Gasket (1.31x2.180)--AFR#6820 or FP#1206
180/195cc Exh Valve 1.600x4.955 Oal #7250 Rocker Stud Torque--------55lbs
180/195cc Hyd Roller Spring-1.290 135/350lbs AFR #8017 Cyl Head Torque ------- 70lbs
195cc Comp Pkg Hyd roller Spring-1.270 155/430lbs AFR #8019 Exh Gasket----------AFR#6834 or FP#1404
Manley 7° Chrome Moly Retainer/valve locks AFR#8514/AFR#9007 Head Bolts -ARP#134-3701(12pt) / 134-3601(6pt)
Viton Valve Seals #6611 Head Stud kit--ARP#234-4301(12pt) / 134-4001(6pt)
Hardened Spring Cup #8042 (Int and Exh) Manifolds------Edel 3701
Intake Valve Seats #9060 Spark Plugs-----AC FR3LS or 41629
Exhaust Valve Seats #9070 Stud Girdle----------AFR#6200
Bronze Valve Guides-(Int and Exh) #9051 valve spring pockets can be cut to 1.625, no deeper
Intake Rocker Stud-3/8 #6410 Valve Spacing/Valve Angle------standard GM L98/23°
Exhaust Rocker Stud-3/8 #6410 Standard Rockers ----No offset necessary
Adjustable Guide Plates-5/16 #6103