CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The small block B1 BA is usable for many applications such as Pro Street, oval track, and drag racing. Standard
exhaust headers, intake manifolds, and valve covers may be used. A relocated spark plug, along with improved port and combustion chamber design, provides excellent performance gains over any other Mopar compatible heads. If using an R Block that oils through the pushrods, small block Chevrolet rockers may be used. Special guide plates may have to be fabricated to use the Chevrolet rockers. If using a standard 340 or 360 block, standard adjustable Chrysler rocker arms may be used with special B1 stands. Some stock manifolds may require milling. The B1 BA MC has unmachined pushrod slots, requires a shaft mounted rocker system, and uses an intake manifold that works with W-5 or W-7 cylinder heads. The exhaust face is also left blank so that a W-5, W-7, or stock exhaust pattern can be drilled.
The B1 BS is available in two different versions, out-of-the-box and 100% CNC ported. These versions offer a 90-120 hp gain over their cast iron competitors. The out-of-the-box version has bowls blended, intake ports matched, and a multi-angle valve job. The 100% CNC ported version is completely ported and contoured to assure maximum airflow and velocity. The B1 BS is absolutely the best buy for Mopar racers who would like to replace their cast iron heads and add horsepower. Some special parts such as rockers, head studs, and longer pushrods must be used. The B1 MO is designed for the serious Chrysler B big block racers and is easily capable of flowing over 400 cfm. The B1 MO requires some special parts such as pistons, rocker system, intake manifold, and valve covers. This head uses standard headers and a B block. A moved centerline (MC) version is also available. All heads in the B1 Series utilize a thick deck that is compatible with nitrous.

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO FP 1213 (B1 BA) MATCH INTAKE PORT TO FP 1214 (B1 BS) MATCH INTAKE PORT TO FP 1276 (B1 MO OR MC) • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.080 X 5.065 o.a.l. - BR 60029 (B1 BA) 2.140 X 5.290 o.a.l. - BR 81050 (B1 BA MC) 2.200 X 5.290 o.a.l. - BR 81049 (B1 BS) 2.300 X 5.380 o.a.l. - BR 86002 (B1 MO) 2.400 X 5.500 o.a.l. - BX 2400-550T (B1 MO MC) • Exhaust Valves: 1.600 X 5.065 o.a.l. - BR 60030 (B1 BA) 1.600 X 5.300 o.a.l. - BR 81051 (B1 BA MC) 1.810 X 5.300 o.a.l. - BR 81081 (B1 BS) 1.780 X 5.400 o.a.l. - BR 86003 (B1 MO OR MC) • Valve Springs: 1.550 ROLLER VALVE SPRING - GA 1000, 240 lb CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT, .700 MAXIMUM LIFT (B1 BA, B1 BS) 1.625 ROLLER VALVE SPRING - MA 221424, 260 lb CLOSED, 790 lb OPEN, 2.100 INSTALLED HEIGHT, .800 MAXIMUM LIFT (SPRING UPGRADE - B1 BS, B1 MO OR MC) • Retainers: 1.550 10° STEEL - CC 752 1.625 10° TITANIUM - MA 23640 (B1 BS, B1 MO) • Valve Locks: 10° JUMBO - CC 611 • Rocker Studs: STOCK ROCKERS (B1 BA RS, B1 BA) SHAFT SYSTEM REQUIRED (B1 BA MC, B1 MOSHAFT SYSTEM REQUIRED (B1 BA MC, B1 MO OR MC) B1 BS ROCKER SYSTEM (B1 BS) • Valve Seals: 11/32 - US VS529V

Facts And Related Components:

• Torque Heads: 70 ft-lb WITH 7/16" STUDS 100 ft-lb WITH 1/2” STUDS • Torque Rocker Studs: 30 ft-lb • Intake Gaskets: FEL-PRO 1213 (B1 BA) FEL-PRO 1214 (B1 BS) FEL-PRO 1276 (B1 MO OR MC) • Head Gaskets: FEL PRO 1008 (B1 BA) FEL-PRO 1009 (B1 BS, B1 MO OR MC) • Exhaust Gaskets: FEL-PRO 1413 (B1 BA) FEL-PRO 1414 (B1 BS, B1 MO) • Head Studs: ARP 144-4204 (B1 BA) ARP 145-4012 (B1 BS) ARP 145-4007 (B1 MO OR MC) • Accessory Bolt Holes Are Not Drilled (B1 BA), Are Drilled (B1 BS) • Spark Plug Starting Points: NGK R5671A-9 FOR ALCOHOL NGK R5671A-8 FOR RACING GAS • Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.550 (B1 BA), 1.625 (B1 BS, B1 MO OR MC) • Valve Angle: 18° (B1 BA), 15° (B1 BS, B1 MO OR MC) • Angle Milling: NOT AVAILABLE (B1 BA), .0065 in PER cc (B1 BS), .0070 in PER cc (B1 MO OR MC) • Flat Milling: .0055 in PER cc • Angle Machining: NOT AVAILABLE • Dowel Shift: NOT AVAILABLE • Pushrod Slots: STANDARD (B1 BA, B1 BS, B1 MO) NOT MACHINED (B1 BA MC)
• Pistons: STANDARD CLOSED CHAMBER (B1 BA) SPECIAL 18° (B1 BA MC) STANDARD CLOSED CHAMBER (B1 BS) SPECIAL 15° (B1 MO OR MC) • Rocker Arms: SPECIAL ROCKER STAND KIT FOR STOCK ROCKERS (B1 BA) SHAFT SYSTEM - T&D 8019, JESEL KPS 11663 (B1 BA) T&D 8017, JESEL KPS 23998, (B1 BA MC) T&D 8010, JESEL KPS SP1100 (B1 MO) T&D 8025 (B1 MO MC) B1 BS ROCKER SYSTEM (B1 BS)• Lifters: STANDARD • Pushrods: SPECIAL LENGTH

Cylinder Head Specifications:

                          INT.            CHA.         VAL.SIZES      VALVE        EXHAUST              VALVE                           INTAKE 

                        PORT           VOL.           INT./EXH.         ANG.         PATTERN        CENTERLINE                  MANIFOLD

B1 BA           195 cc          65 cc         2.080/1.600          18°          Standard-A          Standard-A         Small Block Chrysler
B1 BA MC    239 cc          67 cc         2.150/1.600          18°          Drill to Fit                   60/100              W-5 or W-7 Chrysler
B1 BS           230 cc          65 cc         2.200/1.810          15°          Standard-B           Standard-B          Big Block Chrysler
STS B1 BS  243 cc          80 cc         2.200/1.810          15°          Standard-B           Standard-B          Big Block Chrysler
B1 MO          300 cc          68 cc         2.300/1.780          15°          Standard-B               Special                    B1 Manifold
B1 MO MC   300 cc          68 cc         2.400/1.780          15°          Standard-B               Special                    B1 Manifold

Cylinder Head Recommendations:

                    CUBIC INCH COMPRESSION          CAMSHAFT                 RPM                                APPLICATION

B1 BA           340 - 400      11.5 Minimum      Flat Tappet / Roller     3500 - 7000        Oval Track / Drag Race / Pro Street
B1 BA MC    380 - 440      12.5 Minimum                   Roller                3500 - 7000        Oval Track / Drag Race / Pro Street
B1 BS           400 - 480      13.1 Minimum                   Roller                4000 - 7500         Pro Street / Drag Race
STS B1 BS  400 - 480      13.1 Minimum                   Roller                4000 - 7500         Pro Street / Drag Race
B1 MO          450 - 540      13.1 Minimum                   Roller                4000 - 7500         Pro Street / Drag Race
B1 MO MC   500 - 580      13.1 Minimum                   Roller                4000 - 7500         Pro Street / Drag Race

Flow Chart CFM @ 28" H20:

                                     VALVE SIZE        0.200            0.300            0.400          0.500           0.600             0.700            0.800

B1 BA                         2.080 INTAKE       129               180                221              249              263                267               269
                                     1.600 EXHAUST  119                160               182              190               195                196               198
B1 BA (Ported)         2.080 INTAKE      145                203               250               286              300                302               303
                                     1.600 EXHAUST  121               169               195               208               214                216               217
B1 BA MC (Ported)  2.140 INTAKE      147                216               272              309               332                341               347
                                     1.600 EXHAUST 120                170               198               210               215                219               220
B1 BS                         2.200 INTAKE      145                204               249               284               294                295              295
                                     1.810 EXHAUST 123                155               184               206               222                228               233
STS B1 BS                2.200 INTAKE      145                214               267               305               337                341              348
(CNC Ported)           1.810 EXHAUST  126                171               211               238               255                269               279
B1 MO                        2.300 INTAKE      151                220               277               325               364                382               396
                                    1.780 EXHAUST  116                174               216               227               227                227               227

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