CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
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.
| 195cc Aluminum SBC Competition Cylinder Heads | ||
|---|---|---|
| Part # | Plug Type | Combustion Chamber |
| 1039 | GM LT4 | 65cc |
| 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 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe
| 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 |
7259
|
| 8mm Bead Lock Exhaust Valve, 1.600" x 4.950" Overall Valve Length |
7250
|
| PAC Racing Spring 1.270" OD Hydraulic Dual Valve Spring, 155 lbs. on seat, .650" maximum lift, Max RPM 7000-7200 |
8019
|
| 7° Manley Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D |
8514
|
| 7° Bead Lock Valve Keepers |
9007
|
| ARP 7/16" Rocker Studs |
6405
|
| Adjustable 5/16" Guide Plates |
6103
|
| Viton Valve Seals .600" O.D x .495" I.D |
6612
|
| Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D |
8042
|
| Ductile Iron Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep |
9060
|
| Ductile Iron Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep |
9070
|
| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
9051
|
| Recommended Components: | |
| Intake Gasket |
6860
|
| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit AFR heads. | |
| Exhaust Port Gasket, Fel-Pro #1404 |
6834
|
| Head Gasket, LT1 Fel-Pro #1074 |
6803
|
| SB Chevy Head Bolt Kit, ARP #134-3701 |
6310
|
| SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301 |
6305
|
| Head Bolt Washers, Manley |
6320
|
| AFR Stud Girdle |
6200
|
| Suggested Manifold |
GM LT4 or Edelbrock LT4
|
| Spark Plug Starting Range |
Autolite 3924
|
| 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
|
| Carb EO# |
D-250-2
|
SHIPS IN THE LOWER 48 STATES FREE!
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER
Warning: May cause cancer and reproductive harm.
