AFR's 185cc SB Ford Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head  is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N Stainless Steel valves. They are available bare without any parts for the DIY. Sold as a single piece, 2 are required per engine.
 

Included Components
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
3-angle Valve Job
8mm Bead Lock Intake Valve, 2.020" x 5.000" Overall Valve Length	AFR #7257
8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length	AFR #7254
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available)	AFR #8017
7° Steel Retainers 1.245" O.D x .885" I.D x .655" I.D	AFR #8514
7° Bead Lock Valve Keepers	AFR #9007
ARP 3/8" Rocker Studs	AFR #6409
Adjustable 5/16" Guide Plates	AFR #6103
Viton Valve Seals .675" O.D x .513" I.D	AFR #6614
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D	AFR #8042

 

185cc Street Head Flow Chart
	.200	.300	.400	.500	.550	.600
Int	119	177	225	255	257	260
Exh	105	143	163	166	168	170

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	185cc
Intake Port Dimension	2.010" H x 1.070" W x 5/16 Radius
Intake Port Location	Stock
Exhaust Port Volume	64cc
Exhaust Port Dimension	1.370" H x 1.350" W
Exhaust Port Location	Stock
Combustion Chamber Size	64cc
Valve Angle	20°
Valve Spring Pocket Diameter	1.540" O.D
Max Valve Spring Pocket Machining	1.600" O.D
Deck Thickness	.325"
Minimum Bore Diameter	4.000"
Flat Mill	.006" per cc 54cc Max (from 64cc);
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	AFR #6911
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	AFR #6915
Head Gasket, 302/351W, Fel-Pro #1011-1	AFR #6808
SB Ford 1/2" Bolt Head Bolts, ARP #154-3603	AFR #6318
SB Ford 1/2" Bolt Head Studs, ARP #254-4503	AFR #6317
1/2" Bolt - 7/16" Thread Head Bolts, 289/302W: ARP 254-3708	AFR #6319
Head Bolt Washers, Manley	AFR #6320
Suggested Manifold	AFR #4830
Spark Plug Starting Range	Autolite 3924

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AFR's 185cc SB Ford Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. In addition, these heads utilize a 1.900” Intake valve and are compatible with OEM piston valve relief. This budget friendly head is perfect for your 302 to 363 Cubic Inch engine operating below 6000 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads, such as ARP rockers studs, PAC Racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one-piece 8mm 21 4N Stainless Steel valves. They are available bare and without any parts for the DIY.
 

Included Components
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
3-angle Valve Job
8mm Bead Lock Intake Valve, 1.900" x 5.000" Overall Valve Length	AFR #7246
8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length	AFR #7254
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available)	AFR #8017
7° Steel Retainers 1.245" O.D x .885" I.D x .655" I.D	AFR #8514
7° Bead Lock Valve Keepers	AFR #9007
ARP 3/8" Rocker Studs	AFR #6409
Adjustable 5/16" Guide Plates	AFR #6103
Viton Valve Seals .675" O.D x .513" I.D	AFR #6614
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D	AFR #8042

 

185cc Street Head Flow Chart
	.200	.300	.400	.500	.550	.600
Int	123	175	208	232	242	251
Exh	105	143	163	166	168	170

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	185cc
Intake Port Dimension	2.010" H x 1.070" W x 5/16 Radius
Intake Port Location	Stock
Exhaust Port Volume	64cc
Exhaust Port Dimension	1.370" H x 1.350" W
Exhaust Port Location	Stock
Combustion Chamber Size	64cc
Valve Angle	20°
Valve Spring Pocket Diameter	1.540" O.D
Max Valve Spring Pocket Machining	1.600" O.D
Deck Thickness	.325"
Minimum Bore Diameter	4.000"
Flat Mill	.006" per cc 53cc Max (from 63cc);
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	AFR #6911
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	AFR #6915
Head Gasket, 302/351W, Fel-Pro #1011-1	AFR #6808
SB Ford 1/2" Bolt Head Bolts, ARP #154-3603	AFR #6318
SB Ford 1/2" Bolt Head Studs, ARP #254-4503	AFR #6317
1/2" Bolt - 7/16" Thread Head Bolts, 289/302W: ARP 254-3708	AFR #6319
Head Bolt Washers, Manley	AFR #6320
Suggested Manifold	AFR #4830
Spark Plug Starting Range	Autolite 3924

 

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AFR's 200cc SB Chevy Enforcer Cylinder heads feature our permanent mold “As-Cast” technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 350 to 400 cubic inch operating below 6000 RPM.

They come fully assembled with the identical components found in our higher-end CNC ported cylinder heads; such as ARP rockers studs, racing springs, Viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring cups and our one piece 8mm 21 4N stainless steel valves.

They are available in straight or angle plug and bare without any parts for the DIY racer. Sold as a single piece; 2 are required per engine. Please see footnotes for additional information.

 

Included Components
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
Multi-Angle Valve Job
SBC/SBF 8mm Stainless Steel 2.050 x 4.900 O.A.L. Race Intake Valve	AFR #7252
SBC/SBF 8mm Stainless Steel 1.600 X 4.950 O.A.L. Race Exhaust Valve	AFR #7250
Melling Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available)	AFR #8017
7° Chrome Moly Retainers 1.245" O.D x .885" I.D x .655" I.D	AFR #8514
7° Bead Lock Valve Keepers	AFR #9007
ARP 3/8" Rocker Studs	AFR #6409
Adjustable 5/16" Guide Plates	AFR #6103
8mm LS Enforcer Viton Valve Seals .620" O.D x .490" I.D	AFR #6615
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D	AFR #8042

200cc As Cast Flow Chart
	.200	.300	.400	.500	.550	.600
Int	138	194	233	260	265	N/A
Exh	108	142	170	195	200	N/A

Test conducted at 28" of water (pressure) on Superflow 600
Bore Size: 4.060", 3/4" radius plate exhaust, 1 3/4" curved pipe

 

Specifications & Features:
Material	A356 Aluminum or international equivalent
Intake Port Volume	198 - 200c
Intake Port Dimension	2.080" H x 1.270" x 5/16 Radius
Intake Port Location	Stock
Exhaust Port Volume	74cc
Exhaust Port Dimension	1.450" H x 1.550" W
Exhaust Port Location	Stock
Combustion Chamber Size	69cc
Valve Cover Bolt Pattern	Perimeter Bolt
Valve Angle	23°
Valve Spring Pocket Diameter	1.500" O.D
Max Valve Spring Pocket Machining	1.580" O.D
Warning: Do not machine spring pad any deeper.
Deck Thickness	.470"
Minimum Bore Diameter	4.000"
Minimum Head Gasket Bore	4.100"
Flat Mill	.006" per cc 56cc Maximum
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 Gasket	AFR #6900
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	AFR #6905
Head Gasket, 350cid Fel-Pro #1003	AFR #6800
Head Gasket, 400cid Fel-Pro #1014	AFR #6802
SB Chevy Head Bolt Kit, ARP #134-3701	AFR #6310
SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301	AFR #6305
Head Bolt Washers, Manley	AFR #6320
Suggested Manifold	AFR #4810
Suggested Manifold	AFR #4812
Spark Plug Starting Range	AFR #6218 (Autolite 3924)

 

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AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head  is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine.  Please see footnotes for additional information. 

Included Components
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
3-angle Valve Job
8mm Bead Lock Intake Valve, 2.020” x 4.900" Overall Valve Length	AFR #7207
8mm Bead Lock Exhaust Valve, 1.600” x 4.900" Overall Valve Length	AFR #7228
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500	AFR #8017
7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D	AFR #8514
7° Bead Lock Valve Keepers	AFR #9007
Viton Valve Seals .620" O.D x .490" I.D	AFR #6615
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D	AFR #8042

210cc Street Head Flow Chart
	.200	.300	.400	.500	.550	.600
Int	148	209	253	265	268	268
Exh	105	150	180	199	204	207

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	210cc
Intake Port Dimension	3.190"H x 1.015"W x5/16 top 3/8" bottom
Intake Port Location	Stock
Exhaust Port Volume	82cc
Exhaust Port Dimension	1.400" H x 1.660" W
Exhaust Port Location	Stock
Combustion Chamber Size	64cc
Valve Angle	15°
Valve Spring Pocket Diameter	1.500" O.D
Max Valve Spring Pocket Machining	1.500" O.D
Warning:Do not machine spring pad any deeper.
Deck Thickness	0.425"
Minimum Bore Diameter	3.900"
Flat Mill	.006" per cc 58cc Maximum
Spark Plug Dimensions	14mm x .750" w/Tapered 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:
Head Gasket	Factory GM LS2
Intake Port Gasket	GM or FAST
Exhaust Port Gasket	GM#12558573
Head Bolts (97-03)	AFR #6330
Head Studs (97-03)	AFR #6331
Head Bolts (04+)	AFR #6334
Head Studs (04+)	AFR #6335
Head Bolt Washers, Manley	AFR #6320
Suggested Manifold	FAST 90mm, 92mm, or 102mm
Spark Plug Starting Range	NGK TR55

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AFR's 210 LS1 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head  is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine.  Please see footnotes for additional information. 

Included Components
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
3-angle Valve Job
8mm Bead Lock Intake Valve 2.000” x 4.900” O.A.L.	AFR #7236
8mm Bead Lock Exhaust Valve, 1.570” x 4.915" Overall Valve Length	AFR #7235
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500	AFR #8017
7° Chrome Moly Retainers 1.245” O.D x .885” I.D x .655” I.D	AFR #8514
7° Bead Lock Valve Keepers	AFR #9007
Viton Valve Seals .620" O.D x .490" I.D	AFR #6615
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D	AFR #8042

210cc Street Head Flow Chart
	.200	.300	.400	.500	.550	.600
Int	136	199	246	272	276	265
Exh	93	140	180	204	211	215

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	210cc
Intake Port Dimension	3.190"H x 1.015"W x5/16 top 3/8" bottom
Intake Port Location	Stock
Exhaust Port Volume	82cc
Exhaust Port Dimension	1.400" H x 1.660" W
Exhaust Port Location	Stock
Combustion Chamber Size	64cc
Valve Angle	15°
Valve Spring Pocket Diameter	1.500" O.D
Max Valve Spring Pocket Machining	1.500" O.D
Warning:Do not machine spring pad any deeper.
Deck Thickness	0.425"
Minimum Bore Diameter	3.780""
Flat Mill	.006" per cc 58cc Maximum
Spark Plug Dimensions	14mm x .750" w/Tapered 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:
Head Gasket	Factory GM LS2
Intake Port Gasket	GM or FAST
Exhaust Port Gasket	GM#12558573
Head Bolts (97-03)	AFR #6330
Head Studs (97-03)	AFR #6331
Head Bolts (04+)	AFR #6334
Head Studs (04+)	AFR #6335
Head Bolt Washers, Manley	AFR #6320
Suggested Manifold	FAST 90mm, 92mm, or 102mm
Spark Plug Starting Range	NGK TR55

 

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AFR's 238 LS3 Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance.  The AFR 238cc LS3 Enforcer is the first Enforcer casting with 100% AFR design.  With a smaller valve and port, this head outflows your OE LS3 casting by up to 20CFM at low lifts, offering greater performance potential. This budget friendly head is perfect for your OEM engine operating below 6300 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as PAC Racing springs, viton valve seals, machined bead valve locks (not stamped), hardened spring seats, and our one piece 8mm 21-4N/21-8N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine.  Please see footnotes for additional information.

Basic Package Components
100% As Cast Intake, Exhaust, and Combustion Chambers
Competition 5-angle Valve Job
8mm Bead Lock Intake Valve, 2.080" x 5.200" Overall Valve Length	AFR #7241
8mm Bead Lock Exhaust Valve, 1.600" x 5.205" Overall Valve Length	AFR #7212
PAC Racing Spring 1.290" OD Hydraulic Roller Dual Valve Spring, 140 lbs. on seat, .600 maximum lift, Max RPM 6300-6500	AFR #8017
7° Steel Retainers 1.245" O.D x .880" I.D x .655" I.D	AFR #8514
7° Bead Lock Valve Keepers	AFR #9007
Viton Valve Seals .600" O.D x .495" I.D	AFR #6615
Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D	AFR #8042
Rocker Rail Stand	AFR #6040

238cc LS3 As Cast Flow Chart
	.200	.300	.400	.500	.550	.600	.650
Int	157	229	276	307	315	308	308
Exh	112	152	182	204	209	215	217

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

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AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head  is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine.
 

Included Components
3-angle Valve Job
As Cast Combustion Chambers
As Cast Exhaust Ports
As Cast Intake Ports
11/32" Intake Valve, 2.250" x 5.500" O.A.L	AFR #7620
11/32” Nail Head Exhaust Valve, 1.880” x 5.450” O.A.L.	AFR #7630
PAC Racing #1940 1.550” OD Hydraulic Roller Dual Valve Spring 175 lbs. on seat, .725” maximum lift, Max RPM 6500-6700	AFR #8002
10º Steel Retainers 1.500” O.D x 1.120” I.D x .705” I.D	AFR #8511
10° 11/32" Valve Locks with lashcap recess	AFR #9005
ARP 7/16" Rocker Exhaust Studs	AFR #6406
ARP 7/16" Rocker Intake Studs	AFR #6405
3/8” Guide Plates	AFR #6110
11/32" Viton Valve Seals	AFR #6613
Hardened Valve Spring I.D Locator 1.550” O.D x .705” I.D	AFR #8048

 

335cc BBC Enforcer Flow Chart
	.200	.300	.400	.500	.600	.700
Int	140	207	265	296	336	355
Exh	119	172	211	239	249	255

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	335cc
Intake Port Dimension	2.510"H x 1.820"W x 3/8" Radius
Intake Port Location	Stock
Exhaust Port Volume	140cc
Exhaust Port Dimension	1.690"H x 1.900" W
Exhaust Port Location	.357" Raised
Combustion Chamber Size(As Cast)	122cc
Valve Angle	24°/4° Int, 15°/4° Exh
Valve Spring Pocket Diameter	1.750"
Max Valve Spring Pocket Machining	1.750"
Warning::Do not machine spring pad any deeper.
Deck Thickness	0.45"
Minimum Bore Diameter	4.25"
Flat Mill	.006" per cc/ Maximum 114cc As Cast
Angle Mill	.009" per cc/Maximum 108cc As Cast
Note:Angle mills might require a .120" Thick intake gasket.
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	AFR #6856
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	AFR #6858
Head Gasket, Fel-Pro #1047 (Gen V and VI)	AFR #6849
Head Gasket, Fel-Pro #1017-1 (Gen IV)	AFR #6850
Head Bolts, ARP 135-3703 (Gen IV)	AFR #6306
Head Bolts, ARP 135-3707 (Gen V)	AFR #6308
Head Studs, ARP 235-4713	AFR #6307
Head Bolt Washers, Manley	AFR #6320
Suggested Manifold	Victor Jr or Super Victor
Spark Plug Starting Range	Autolite 3924

 

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• SBC/SBF Enforcer Viton Rubber Valve Stem Seal
• Seal is colored brown
• .675" O.D x .513" I.D

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• LS1 Enforcer Viton Rubber Valve Stem Seal
• .520" x 8mm

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AFR’s NEW Enforcer Series Top End Kits are perfect for customers looking for the ultimate bolt-on power upgrade for their small block chevy engine. We have created a package that leaves the guesswork behind, using premium AFR components you can trust. Our SBC Enforcer series kit is available in straight or angled spark plug styles using our Enforcer Series 200cc cylinder heads and paired with our low-profile Enforcer dual plane intake manifold. Order one of these AFR top end kits today and put your engine on track for some serious horsepower.

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AFR’s NEW Enforcer Series Top End Kits are perfect for Small Block Ford owners looking for a sizely performance upgrade. We have created a package that leaves the guesswork behind, using premium AFR components you can trust. Our SBF Enforcer series kit uses our Enforcer Series 185cc cylinder heads and our low-profile single plane intake manifold designed for 8.2 deck blocks. Order one of these AFR top end kits today and put your engine on track for some serious horsepower.

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