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AFR Cylinder Heads
AFR Small Block Chevy Vortec 190cc
SBC Performance Street Head

with current pricing

AFR SBC 190cc Vortec Aluminum Performance 23° Cylinder Heads

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afr cylinder head

*--click here to see cylinder head listings and pricing--
*--AFR Vortec Emissions Legal 190cc intake port small block Chevy cylinder heads come with straight plugs--
*--standard with lightweight 8mm 2.020 intake-1.600 exhaust and a 65cc combustion chamber--
*--23° valve angle, and standard valve spacing make this the perfect street head for 350 cid engines from 1996-2000--
*-- No special parts are required-dual valve cover bolt pattern is standard-exhaust port and bolt pattern are raised .100 (3/32”) over GM L98 Heads but rarely affects header or chassis fitment--
*--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 @

If you need assistance in selecting the best AFR cylinder head for your application, you may want to e-mail 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

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SBC 190cc Vortec go to
Flow Charts
go to
SBC Head Options
afr sbc LT1 cylinder headAFR SBC 190cc Vortec Cylinder Head
AFR’s new 190cc Vortec Small BLock Chevy head is perfect for 350cid engines from 1996-2000-ideal operating range of idle to 5500 rpm--
  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 upgrade part #8605 which uses AFR upgraded spring part#8019-1.270 O.D.-see    SBC Cyl Head Options for spring upgrade-
cc plug part # valve/dia. runner
spring retainer seat pressure open pressure max. lift price/pair buy
straight 0912NP* 2.020/1.600 190 Bare heads have full cnc port/comp valve job $1387.00
0912* 2.020/1.600 190 1.290 steel 135 350lbs .600 $1668.00
NOTE: all part #'s followed by an asterisk(*) are street emmision legal, having provisions for an EGR and air pump holes.
go to
SBC Vortec 190cc
Flow Charts go to
SBC Head Options
AFR 180cc LT1 Cylinder Head w/CNC Street Package Porting Flow Chart cfm @28" H2O
valve size .200 .300 .400 .500 .550 .600 ---
2.020 int. 135 213 253 276 279 --- ---
1.600 exh. 110 158 190 207 211 --- ---
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SBC LT1 180cc
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 $72.25
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
Intake Valve 2.02x4.903 Oal #7251 Cyl Head torque w/moly----70lbs
Exhaust Valve 1.600x4.955 Oal #7250 Rocker Stud Torque--------55lbs
190cc Vortec Hyd Roller Spring-1.290 135/350lbs AFR #8017 Int Gasket---- --GM Vortec
Manley 7° Chrome Moly Retainer 8514 Exh Gasket----------AFR#6834 or FP#1404
Bead Lock 7° valve keepers AFR#9007 Head Bolts -ARP#134-3701(12pt) / 134-3601(6pt)
Adjustable Guide Plates-5/16 #6103 Head Stud kit--ARP#234-4301(12pt) / 134-4001(6pt)
Viton Valve Seals #6612 Valve Angle--------- 23°
Hardened Spring Cup #8042 (Int and Exh) Manifolds------GM Vortec or Edel
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------standard GM L98
Exhaust Rocker Stud-3/8 #6410 Standard Rockers ----No offset necessary