Page 130 - 2022-23 Auto Performance Drag Racing
P. 130
Big Block Chevy Magnum Aluminum Cylinder Heads DRAG RACING
Promising big horsepower, Magnum 24° heads are available with 305cc, 315cc, 325cc, 335cc, 345cc,
357cc, and 385cc intake
runners. The 305cc,
315cc, and 325cc heads
are recommended for
396-509 cu. in. street/
strip engines; larger
345cc, 357cc, and 385cc
are ideal for 509-632
cu. in. bracket or “Super” class use. The 335cc, 357cc, and 385cc heads listed have high flow, CNC-ported runners. All heads are sold in pairs, completely assembled with stainless valves, valve springs, retainers, locks, and seals.
Notes: All heads require optional stud girdle for 2° rolled valve angles and 1" longer head bolts on (4) bottom exhaust bolt holes. Longer pushrods may also be required. ^Cylinder heads with CNC-machined combustion chambers. §Includes titanium retain- ers.
Small Block Ford Outlaw Aluminum Cylinder Heads
AFR’s Outlaw cylinder head delivers improved air flow, while maintaining exceptional port veloc- ity to small block Fords. Aluminum heads
are offered in 185cc, 205cc, and 225cc
versions. Outlaw 185cc heads are offered in street, emissions-
legal complete with heat
riser, and a street/strip
version 205cc head
is intended for larger,
331-392 cu. in. engines. The
225cc head is the perfect choice
for the vast majority of 347-427 cu. in. race-only applica- tions. All heads are sold in pairs, completely assembled with stainless valves, valve springs, retainers, locks, and seals.
‡‡ 2.080" valves require aftermarket pistons notched for valve clearance.
Stud Girdles and Adjusting Nuts
Stud Girdles are
manufactured
from premium
aircraft aluminum
and are sold in
pairs. Adjusting nuts must be purchased separately.
Part No.
Description
AFR6200
SB Chevy Eliminator Stud Girdle Bars, Standard
AFR6202
BB Chevy Stud Girdle Bars, 2013-Up V2 Heads
AFR6207
SB Ford Stud Girdle Bars
AFR6209
BB Ford Bullitt Stud Girdle, Pair
AFR6208
SB Chevy Eliminator Stud Girdle Bars, Offset
AFR6214-1
Stud Girdle Adjusting Nut, 7/16" x 2.200" L., SB Chevy/BB Chevy/SB Ford, Each
AFR6215-1
Stud Girdle Adjusting Nut, 7/16" x 2.600" L., BB Chevy Intake, Each
Part No.
Description
Intake Runner
Comb. Chamber
Intake Valve
Exhaust Valve
Valve Spring
AFR2100-1
Partial CNC-Ported Assem.
305cc
121cc
2.250"
1.880"
1.625" Dual
AFR2000
As-Cast Assem.
315cc
121cc
2.250"
1.880"
1.625" Dual
AFR2101
As-Cast Assem.
325cc
115cc
2.300"
1.885"
1.625" Dual
AFR2101-1^
As-Cast Assem.
325cc
115cc
2.300"
1.880"
1.625" Dual
AFR2001
CNC-Ported Assem.
335cc
121cc
2.000"
1.880"
1.625" Dual
AFR2110
As-Cast Assem.
345cc
115cc
2.300"
1.880"
1.625" Dual
AFR2010-TI§
CNC-Ported Assem.
357cc
121cc
2.300"
1.880"
1.625" Dual
AFR2020-TI^§
CNC-Ported Assem.
385cc
121cc
2.350"
1.880"
1.625" Dual
Small Block Chevy Intake Manifold AFR4811 NEW!
Single-plane, aluminum intake manifold, engi- neered for use with small block Chevys fitted with Eliminator 23° cylinder heads, features an iso- lated runner design for improved performance. Manifold includes a stan- dard, 4150 carb flange.
Aluminum Valve Covers
Lightweight aluminum valve covers are offered in
polished
or black
powder
coat
finishes
and are
engraved with the AFR logo.
Sold in pairs, complete with grommets.
Application Polished Part No. Black Part No.
SB Chevy, Tall
AFR6704
AFR6705
SB Ford, Tall
AFR6714
AFR6715
Part No.
Description
Intake Runner
Comb. Chamber
Int. Valve
Exh. Valve
Valve Spring
AFR1422
Outlaw Street- Legal Assem.
185cc
58cc
2.020"
1.600"
1.290" Dual
AFR1388
Outlaw Street/ Strip Assem.
185cc
58cc
2.020"
1.600"
1.290" Dual
AFR1450 ‡‡
Outlaw Street/ Strip Assem.
205cc
58cc
2.080"
1.600"
1.550" Dual
AFR1451 ‡‡
Outlaw Strip Assem.
225cc
58cc
2.080"
1.600"
1.550" Dual
128
Bobby Lundholm
2022-23
AFR1388
AFR6200
AFR6704
AFR6705