BRODIX BR SERIES LS COMPATIBLE/12 DEGREE CYLINDER HEADS 1170000 - 1178101

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

BR SERIES LS COMPATIBLE/12 DEGREE CYLINDER HEADS
BRODIX delivers the industry's most durable
replacement for the LS style cylinder heads
with the introduction of the BR series. The
BR 7 is an out-of-the-box version that comes
standard with 71 cc combustion chambers,
bowls blended, and intake ports matched.
The STS BR 7 is a 100% CNC ported version
that flows over 375 cfm. The BR 7 and the
STS BR 7 both utilize a 12° valve angle and
2.204 / 1.614 valve combination. The
STS BR 7 273 flows over 415 cfm with a
71 cc combustion chamber and 2.250 / 1.614
valves. The BR 7 series heads accept all
standard LS components and share all of the
legendary BRODIX features including: easily
repairable A-356 virgin aluminum alloy and
the strongest deck surface in the business.
• Torque Heads: 11 mm STUDS - 85 ft-lb WITH OIL
8 mm STUDS - 26 ft-lb WITH OIL
• Torque Rocker Studs: 22 ft-lb
• Intake Gaskets: GM 19172113, FEL-PRO 1208-3 (.060) - (BR 7, STS BR 7)
GM 19172113 TRIM TO FIT, FEL-PRO 1208-3 TRIM TO FIT -
(STS BR 7 273)
• Head Gaskets: GM 12582179, FEL-PRO 1185-041 (4.175 BORE)
• Exhaust Gaskets: FEL-PRO 1440
• Head Studs: ARP 234-4317
• Accessory Bolt Holes Are Drilled
• Spark Plug Starting Points: 14mm 3/4 REACH SEALS WITH WASHER
NGK R5671A-7 FOR PUMP GAS
NGK R5671A-8 FOR RACING GAS
• Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.350
• Valve Angle: 12°
• Flat Milling: .0060 in PER cc
• Dowel Shift: STANDARD
• Pushrod Slots: STANDARD
• Pistons: STANDARD
• Rocker Arms: STANDARD
• Lifters: STANDARD
• Pushrods: MEASURE FOR PROPER LENGTH
STS BR 7
• 100% LS Compatible
• 264 cc Rectangular Intake Port Flows
Over 375 cfm
• Exhaust Port Flows 240 cfm
• 71 cc Combustion Chambers
• 2.204 / 1.614 Valve Sizes
• 100% CNC Ported
• 4.125 Minimum Bore
BR 7
• 100% LS Compatible
• 262 cc Rectangular Intake Port Flows
Over 360 cfm
• Exhaust Port Flows 221 cfm
• 71 cc CNC Ported Combustion Chambers
• 2.204 / 1.614 Valve Sizes
• Most Powerful Out-of-the-Box Head in Its Class
• 4.125 Minimum Bore

Package Heads:
• PS CB: VALVE BOWLS BLENDED
• PS MI: MATCH INTAKE PORTS
• PS Valve Job: COMPETITION VALVE JOB
• Intake Valves: 2.204 X 5.200 o.a.l. X 8 mm STEM, BEAD LOCK - BR 70204
(BR 7, STS BR 7)
2.250 X 5.200 o.a.l. X 8 mm STEM, BEAD LOCK
(STS BR 7 273)
• Exhaust Valves: 1.614 X 5.230 o.a.l. X 8 mm STEM, BEAD LOCK - BR 70614
• Valve Springs: 1.295 HYDRAULIC ROLLER SPRING - MA 221436,
155 lb CLOSED, 405 lb OPEN, 1.810 INSTALLED
HEIGHT, .600 MAXIMUM LIFT
• Retainers: 1.290 7° STEEL - MA 23621
• Valve Locks: 7° MACHINED BEAD LOCK - MA 13098
Rocker Studs: NOT AVAILABLE
• Valve Seals: 8 mm - US VS805V
Facts And Related Components:
Torque Heads: 11 mm STUDS - 85 ft-lb WITH OIL
8 mm STUDS - 26 ft-lb WITH OIL
• Torque Rocker Studs: 22 ft-lb
• Intake Gaskets: GM 19172113, FEL-PRO 1208-3 (.060) - (BR 7, STS BR 7)
GM 19172113 TRIM TO FIT, FEL-PRO 1208-3 TRIM TO FIT -
(STS BR 7 273)
• Head Gaskets: GM 12582179, FEL-PRO 1185-041 (4.175 BORE)
• Exhaust Gaskets: FEL-PRO 1440
• Head Studs: ARP 234-4317
• Accessory Bolt Holes Are Drilled
• Spark Plug Starting Points: 14mm 3/4 REACH SEALS WITH WASHER
NGK R5671A-7 FOR PUMP GAS
NGK R5671A-8 FOR RACING GAS
• Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.350
• Valve Angle: 12°
• Flat Milling: .0060 in PER cc
• Dowel Shift: STANDARD
• Pushrod Slots: STANDARD
• Pistons: STANDARD
• Rocker Arms: STANDARD
• Lifters: STANDARD
• Pushrods: MEASURE FOR PROPER LENGTH

STS BR 7 273
• Flows Over 415 cfm
• 2.250 / 1.614 Valve Sizes
• 50° Valve Job (Intake)
• 45° Valve Job (Exhaust)
• 273 cc Intake Port
• Uses Standard LS 7 Components
• 12° Valve Angle

                        Intake    Chamber    VALVE  SIZES           VALVE      EXHAUST  VALVE             INTAKE
                        PORT   Volume      INTAKE/EXHAUST    ANGLE     PATTERN   CENTERLINE  MANIFOLD
BR 7                  262 cc             71 cc              2.204 / 1.614              12°             Standard              Standard             Standard
STS BR 7         264 cc             71 cc              2.204 / 1.614              12°             Standard              Standard             Standard
STS BR 7 273 273 cc             71 cc              2.250 / 1.614              12°             Standard              Standard             Standard

FLOW CHART AT 28" H20                      

VALVE SIZE      0.200  0.300  0.400  0.500  0.600  0.650  0.700

BR 7                  2.204 INTAKE      150                  144                  294                  334                  360                 364
                           1.614 EXHAUST  113                  158                  188                  208                  216                 221
STS BR 7         2.204 INTAKE      159                  240                  303                  343                  369                 376                364
(CNC Ported) 1.614 EXHAUST  116                  169                  208                  224                  233                 235                240
STS BR 7 273 2.250 INTAKE      147                  233                  286                  344                  381                 409                416
(CNC Ported) 1.614 EXHAUST  116                  169                  208                  224                  233                 235                240

                                     Easy order #     Port Vol  Cham Vol.  Int/Exh Valve   Spring Diam  Ret. ST/TI                 Price

• BR 7 Bare                   1170000              262             71                                                                                 MAKE OFFER PER 2
• BR 7 Pkg                    1171000              262             71              2.204/1.614           1.295              ST            MAKE OFFER PER 2

• STS BR 7 Bare          1178000              264             71                                                                                     MAKE OFFER PER 2

• STS BR 7 Pkg           1178100              264             71             2.204/1.614            1.295              ST               MAKE OFFER PER 2
• STS BR 7 273 Bare  1178001              273             72                                                                                      MAKE OFFER PER 2
• STS BR 7 273 Pkg   1178101              273             72             2.250/1.1614          1.350              ST              MAKE OFFER PER 2

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• We handle the complete BRODIX line.

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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