190CC SBC VORTEC CYLINDER HEAD

Part # 912

$2,122.08

SOLD AS A PAIR

Option 1:



190cc SBC Vortec Cylinder Head

AFR's 190cc Vortec Street heads are the preferred choice over reworked 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 from 350-383 cubic inches, operating up to 6000 RPM. Not compatible with self-aligning rocker arms.
 

Included Components
100% CNC Ported Combustion Chambers
90% 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
8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring,
140 lbs on seat, .600" maximum lift, Max RPM 6300-6500, less than 235* duration, upgraded spring #8019 recommended for higher RPM & larger cams
7° Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D
7° Bead Lock Valve Keepers
ARP 3/8" Rocker Studs
Adjustable 5/16" Guide Plates
Viton Valve Seals .600" O.D x .495" I.D
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D
Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep
Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep
8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L

 

190cc Street Head Flow Chart
  .200 .300 .400 .500 .550
Int 135 213 253 276 279
Exh 110 158 190 207 211

Test conducted at 28" of water (pressure) on Superflow 1020
Bore Size: 4.060", intake 3/4" radius plate exhaust, 1 3/4" curved pipe


Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
190cc
Intake Port Dimension
2.320" H x 1.297" W x 3/8° 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
Valve Cover Bolt Pattern
Center & 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
2.070 sq. in.
Spark Plug Dimensions
14mm x .750" w/Gasket Seat
CARB Status: THESE PRODUCTS ARE ILLEGAL TO OPERATE ON ANY PUBLIC HIGHWAY. THIS MEANS ANY PUBLIC PAVED OR UNPAVED ROADWAY OR IN A PUBLIC PARK. THESE PRODUCTS ARE ONLY LEGAL IF USED ON A DEDICATED RACING VEHICLE. VIOLATION ARE SUBJECT TO A MAXIMUM PENALTY OF $37,500 PER VIOLATION PER VEHICLE, REVOCATION OF REGISTRATION BY DMV, LOSS OF USE ON PUBLIC RIGHT OF WAYS AND PROOF OF CORRECTION OF THE TAMPERING.


Recommended Components:
Intake Port Gasket
GM Vortec or Fel-Pro #12895 (.120 Thick)
Important: Do not use your AFR gasket as a template to port match your intake manifold as one AFR gasket is used for many AFR runner volumes.
Exhaust Port Gasket
Head Gasket, 350cid Fel-Pro #1003
SB Chevy Head Bolt Kit, ARP #134-3701
SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301
Head Bolt Washers, Manley
AFR Stud Girdle
Suggested Manifold
GM or Aftermarket Vortec
Spark Plug Starting Range
Autolite 3924


Item# Description
912

190cc SBC Vortec Cylinder Head



$2,122.08

ADD TO CART

Sku Description Qty
7250-8
(Set of 8) AFR 7250 - SBC/SBF 8mm Exhaust Valve 1.600 x 4.950 OAL
1
8017-16
(Set of 16) AFR 8017 - 1.290" OD Hydraulic Roller
1
9007-16
(Set of 16) AFR 9007 - 7 Degree Valve Lock 8mm
1
6103-8
(Set of 8) AFR 6103 - SBC/SBF Adjustable Guide Plate
1
6612-16
(Set of 16) AFR 6612-16 - SBC, SBF, LS1 Valve Seal
1
9060
AFR 9060 - SBC/LSx Intake Seat 2.200 OD
8
9070
AFR 9070 - SBC Exhaust Seat 1.675 OD
8
9051-16
(Set of 16) AFR 9051 - LSX/SBF/SBC Bronze Guide
1

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