AFR Cylinder Heads

Custom Piston Worksheet & Order Form (pdf)

Home > Cylinder Heads > Air Flow Research Cylinder Heads > Chevrolet - Small Block > Chevrolet - Small Block 23° - Enforcer Series >

AFR Cylinder Heads_Chevrolet Small Block_23°_195cc_Enforcer Series_Straight Plug_64cc_Assembled_Single Head

Photo may not be actual product

Price $595.00

Product Code: AFR-1001

Description

Technical Specs

The all new AFR Enforcer 195cc Cylinder heads for Small Block Chevrolet, are a permanent mold casting and feature an as‐cast surface on the intake runners, exhaust runners and combustion chambers. This budget friendly offering is available as a bare head or can be ordered fully assembled with the same great components found in AFR higher end cylinder heads; including ARP rockers studs, PAC Racing springs, AFR adjustable guide plates and stainless steel valves. Sold as a single head, 2 are required per engine.

A356 Aluminum
195cc CNC Ported Intake Runners
8mm Bronze Valve guides
3 angle valve job
Precision CNC machining
Multiple spring options

Assembled heads feature:

8mm Bead Lock Valves
PAC Racing Valve Springs
3/8 ARP Rocker Studs
Adjustable guide plates

www.P65Warnings.ca.gov

Description
Item Code	AFR-1002
Vendor	Air Flow Research
Product Type	Cylinder Heads
Product Model	Enforcer Series
Engine Family	Chevrolet 23°
Weight	23

Included Components

Combustion Chamber	As Cast
Intake Ports	As Cast
Exhaust Ports	As Cast
Valve Job	3 Angle
Intake Valves	8mm Bead Lock Intake Valve - 2.020 x 5.000 Overall Length
Exhaust Valves	8mm Bead Lock Intake Valve - 1.600 x 5.030 Overall Length
Valve Springs	PAC Racing Spring - 1.290 OD - Hydraulic Roller Dual Valve Spring - 140 lbs on seat - .600 maximum lift - 6,300 to 6,500 Max RPM
Retainers	7° Manley Chrome Moly - 1.245 OD x .885 ID x .655 ID
Keepers	7° Bead Lock
Rocker Studs	3/8 ARP
Guide Plates	5/16 Adjustable
Valve Seals	.675 OD x .513 ID
Spring Seat Cups	1.380 OD x .570 ID - Hardened
Intake Valve Seat	Ductile Iron - 2.200 OD x 1.750 ID x .375 Deep
Exhaust Valve Seat	Ductile Iron - 1.696 OD x 1.325 ID x .305 Deep
Valve Guides	8 mm Bronze - .502 OD x 2.100 Overall Length

Recommended Components

Intake Gasket	AFR 6900
Note	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 Gasket	AFR 6905
Head Gasket	Fel-Pro 1003 (350ci) AFR _ Fel-Pro 1014 (400ci)
Head Bolts	ARP 134-3701
Head Studs	ARP 234-4301
Head Bolt Washers	Manley
Stud Girdle
Intake Manifold
Spark Plug Starting Range	Autolite 3924

Specifications and Features

Material	A356 Aluminum
Intake Port Volume	195cc
Intake Port Dimension	2.080 Height x 1.270 Width - 5/16 Radius
Intake Port Location	Stock
Exhaust Port Volume	76cc
Exhaust Port Dimension	1.380 Height x 1.420 Width
Exhaust Port Location	Stock
Combustion Chamber Volume	64cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	23°
Valve Spring Pocket Diameter	1.580 OD
Max Valve Spring Pocket Machining	1.600 OD
Note	Warning: Do not increase spring pad depth
Deck Thickness	.450
Minimum Bore Diameter	4.000
Flat Mill	.006 per cc 56cc Maximum
Angle Mill
Note
Minimum Cross Sectional Area
Spark Plug Dimensions	14mm x .750 w/Gasket Seat
CARB EO Number

Flow Chart
Flow Data: cfm @ 28 inches of Water

Lift	.200	.300	.400	.500	.550	.600
Intake	133	188	226	250	251	251
Exhaust	104	138	158	186	191	197

Browse for more products in the same category as this item:

Cylinder Heads > Air Flow Research Cylinder Heads > Chevrolet - Small Block > Chevrolet - Small Block 23° - Enforcer Series