Page 259 - 2021-22 Auto Performance_Circle Track
P. 259
Dragon Slayer Series
SB Chevy 23° Cylinder Heads
Dragon Slayer series aluminum cyl- inder heads deliver over 300 CFM
Intake Exhaust Comb. Plug Intake Exhaust Max. Part No. Description Runner Pattern Chamber Type Valve Valve Lift
IK Series SB Chevy Cylinder Heads
11 SP X SB Chevy Cylinder Heads
Part No.
Description
Intake Runner
Exhaust Pattern
Comb. Plug Chamber Type
Intake Valve
Exhaust Valve
BRO1110002
Bare,
11 SP X/ASCS
215cc
SP
67cc
Angle
2.080"
1.600"
BRO1320000
Bare
225cc
Std.
68cc
Angle
N/A
N/A
N/A
BRO1321000
Assembled
225cc
Std.
68cc
Angle
2.080"
1.600"
.600"
BRO1321001
Assembled
225cc
Std.
68cc
Angle
2.080"
1.600"
.700"
BRO1321003
Assembled
225cc
Std.
64cc
Angle
2.080"
1.600"
.700"
Cylinder Head Accessories and Replacement Components
Part No.
Description
BROBH.54511/32PLI 11/32" Valve Guide, .545" O.D., .340" I.D., 3.000" Long
BROBH.56511/32P 11/32" Valve Guide, .565" O.D., .340" I.D., 2.420" Long
BROBR60001 1.600" Exhaust Valve, 11/32" x 4.940" Long (Stock), Steel
BROBR60029 2.080"IntakeValve,11/32" x5.065"Long(+.100"),Steel
BROBR60030 1.600" Exhaust Valve, 11/32" x 5.065" Long (+.100"), Steel
BROBR60044 1.600" Exhaust Valve, 11/32" x 5.440" Long (+.100"), Steel
BROBR60130 1.600” Exhaust Valve, 11/32” x 5.115” O.A.L. (+.150”), Steel
BROBR60415 2.150" Intake Valve, 11/32" x 5.440" Long (+.100), Steel
BROBR60154 1.625" Exhaust Valve, 11/32" x 5.540" Long (+.200), Steel
BROBR81019 2.080" Intake Valve, 11/32" x 4.965" Long (Stock), Steel
BROBR81021 1.600" Exhaust Valve, 11/32" x 4.965" Long (Stock), Steel
BROBR60130 1.600” Exhaust Valve, 11/32” x 5.115” O.A.L. (+.150”), Steel
BROBR81022 1.600” Exhaust Valve, 11/32” x 5.015” O.A.L. (+.050”), Steel
BROMG1800 SB Chevy Intake Gasket, 18° with 10° Intake Face, 1.400" x 2.280"
BROP1.6503/8LID Exhaust Valve Seat, 1.650" O.D., 1.385" I.D., .375" Deep, Ductile Iron
BROP2-1315/16LID Intake Valve Seat, 2.131" O.D., 1.845" I.D., .312" Deep, Ductile Iron
BROP2.2505/16 Intake Valve Seat, 2.250" O.D., 1.810" I.D., .312" Deep, Ductile Iron
BROSH.54511/32PL 11/32" Valve Guide, .545" O.D., .340" I.D., 2.250" Long, Phosphorous
BROSH.5455/16P 11/32" Valve Guide, .545" O.D., .309" I.D., 2.000" Long, Phosphorous
BROSH545-11/32P 11/32" Valve Guide, .545" O.D., .345" I.D., 2.000" Long, Phosphorous
BROSH565-11/32P 11/32" Valve Guide, .565" O.D., .340" I.D., 2.000" Long, Phosphorous
BROBH.5453/8P 11/32” Valve Guide, 545” O.D., .372” I.D., 2.375” Long, Phosphorous
BROSH.54511/32P 11/32” Valve Guide, .545” O.D., 340” I.D., 2.000” Long, Phosphorous
BROSHC.54511/32M 11/32" Valve Guide, .545" O.D., .340" I.D., 2.000" Long, Manganese
BROBH.5453/8P 11/32” Valve Guide, 545” O.D., .372” I.D., 2.375” Long, Phosphorous
BROBR5160 5/16” Pushrod Guide Plate, Each
BROCOC3250 18X Exhaust Gasket
BROHK2081550S SB Chevy Parts Kit, 2.080”/1.600” Valves
BROMG1900 SB Chevy Valve Cover Gaskets, Brodix Canted Valve, Each
BROUSVS485V 11/32" Valve Stem Seal, .485" Guide Dia.
BROUSVS529V 11/32" Valve Stem Seal, .531" Guide Dia.
Intake Exhaust Comb. Plug Part No. Description Runner Pattern Chamber Type
*1.250" dia. valve spring. † 1.470" dia. valve spring.
Track 1 SB Chevy Cylinder Heads
-
Intake Valve
Exhaust Valve
BRO1020000
Bare
200cc
Std.
64cc
Straight
N/A
N/A
BRO1021000*
Assembled
200cc
Std.
64cc
Straight
2.020"
1.600"
BRO1021001†
Assembled
200cc
Std.
64cc
Straight
2.020"
1.600"
BRO1021002*
Assembled
180cc
Std.
70cc
Straight
2.020"
1.600"
BRO1021004*
Assembled
180cc
Std.
64cc
Straight
2.020"
1.600"
BRO1021005†
Assembled
180cc
Std.
64cc
Straight
2.020"
1.600"
SB Chevy Intake Manifolds
BROBM1000
Part No.
Description
Chamber Type Valve
Valve
Intake Runner
Exhaust Pattern
Comb. Plug Int. Exh.
-
BROHV1000
Note: All intake manifold dimensions are measured from the bottom of the end rail to the top of the carburetor base.
BRO1001001
Assembled, Track 1
221cc
Std.
67cc
Angle
2.080"
1.600"
BROSPSTST1STD227-SSPE*
Assembled, Track 1
227cc
Std.
64cc
Angle
2.080”
1.600"
BRO1008104
Assembled, KC Track 1
227cc
Std.
68cc
Angle
2.080"
1.600"
* Spec. cylinder head for SSPE (Southern Super Parts Engine Series) Asphalt Late Models.
CIRCLE 2021-22 257 TRACK
