195CC SBC LT4 COMPETITION CYLINDER HEAD

Part # 1039-716

$3,014.44

SOLD AS A PAIR

Option 1:



Option 2:

195cc SBC LT4 Competition Cylinder Head

AFR`s 195cc "Competition" heads are the preferred choice for a more aggressive street or street/strip build. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for displacements up to 400 cubic inches, operating up to 6500-6800 RPM. Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250-2.

Included Components
100% CNC Ported Combustion Chambers
100% CNC Ported Exhaust Ports
100% CNC Ported Intake Ports
Competition 5-angle Valve Job

 
8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length
8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length
PAC Racing Spring 1.270" OD Hydraulic Dual Valve Spring,
155 lbs. on seat, .650" maximum lift, Max RPM 7000-7200
7° Manley Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D
7° Bead Lock Valve Keepers
ARP 7/16" 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

 

195cc Competition Head Flow Chart
  .200 .300 .400 .500 .550 .600
Int 151 211 260 293 304 308
Exh 125 172 207 224 229 233

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


Specifications & Features:
Material
A356 Aluminum
Intake Port Volume
195cc
Intake Port Dimension
2.185" H x 1.265" W 5/16 Radius
Intake Port Location
Stock
Exhaust Port Volume
64cc
Exhaust Port Dimension
1.460" H x 1.565" W
Exhaust Port Location
.100" Raised
Combustion Chamber Size
65cc or 75cc
Valve Cover Bolt Pattern
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
1.920 sq. in.
Spark Plug Dimensions
14mm x .750" w/Gasket Seat
 
Recommended Components:
Intake Gasket
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, Fel-Pro #1404
Head Gasket, LT1 Fel-Pro #1074
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 LT4 or Edelbrock LT4
Spark Plug Starting Range
Autolite 3924


Item# Description
1039-716

195cc SBC LT4 Competition Cylinder Head



$3,014.44

ADD TO CART

Sku Description Qty
7259-8
(Set of 8) AFR 7259 - SBC/SBF 8mm Intake Valve 2.080 x 4.900 OAL
1
7250-8
(Set of 8) AFR 7250 - SBC/SBF 8mm Exhaust Valve 1.600 x 4.950 OAL
1
8019-16
(Set of 16) AFR 8019 - 1.270" OD Hydraulic Roller
1
8514-16
(Set of 16) AFR 8514 - 7 Degree Steel Retainer 1.245 OD x .880 ID x .655 ID
1
9007-16
(Set of 16) AFR 9007 - 7 Degree Valve Lock 8mm
1
6405-16
(Set of 16) AFR 6405 - ARP 7/16" Rocker Studs for SBC/SBF/LSx
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
8042-16
(Set of 16) AFR 8042 - OD Spring Cup 1.380 OD x 1.300 ID x .570 ID
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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