BRODIX -11 SERIES SMALL BLOCK CHEVY CYLINDER HEADS/23 1118101

Regular price $ 3,304.59

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The -11X may be purchased with a standard or spread exhaust por t. This head is the best flowing 23° head out of the box that BRODIX offers. BRODIX recommends this head be installed on a 400 cu in or larger engine. The -11X requires a special stud girdle and longer pushrods. Piston valve notches must be checked for clearance. A valve length of .150 longer than stock is required. The BRODIX deck surface is the strongest in the industry allowing use of nitrous and blowers. Hardened valve seats are standard allowing use with unleaded fuels. Phosphorous bronze valve guides assure proper valve guide wear. When thinking of small block Chevy compatible heads - think BRODIX.

The -11X may not have the spring pockets cut any larger or deeper than 1.550.

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO FP 1206 • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.080 X 5.065 o.a.l. - BR 60029 2.100 X 5.065 o.a.l. - BR 60028 (KC 11 SP X) • Exhaust Valves: 1.600 X 5.065 o.a.l. - BR 60030 • Valve Springs: 1.550 ROLLER VALVE SPRING - GA 1000, 240 lb CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT, .700 MAXIMUM LIFT • Retainers: 1.550 10° TITANIUM - MA 2398BR Valve Locks: 10° JUMBO - CC 611 • Rocker Studs: 7/16 - BR 716L, AR RRS-4I • Guide Plates: 5/16 - BR 5160 • Valve Seals: 11/32 - US VS529V

Facts And Related Components:

Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: FEL-PRO 1206, COMETIC C5414 • Head Gaskets: 350 - FEL-PRO 1003, COMETIC C5399 400 - FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: STANDARD - FEL-PRO 1406, COMETIC C5415 SPREAD PORT - BRODIX MG 1500 • Head Bolts: ARP 134-3601, MANLEY 42313 • Head Bolt Washers: MANLEY 42102 • Head Studs: ARP 234-4301(12 pt) • Accessory Bolt Holes Are Drilled • 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 • Valve Angle: 23° • Angle Milling: .0078 in PER cc • Flat Milling: .0060 in PER cc • Angle Machining: NOT AVAILABLE • Dowel Shift: NOT AVAILABLE • Pushrod Slots: 40/60 • Stud Girdle: 40/60 - BR 6440 • Rocker Arms: STANDARD Lifters: STANDARD

Cylinder Head Specifications: 

INTAKE PORT  CHAMBER VOLUME  VALVE SIZES INT./EXH.  PLUG ANGLE  EXHAUST PATTERN  VALVE CENTERLINE  INTAKE MANIFOLD

11 STD X 225cc      67 cc    2.080/1.600     Angle     Standard       40/60      HV 1000 / HV 1002 / SE 100 / SE 102

11 SP X 225cc         67 cc    2.080/1.600     Angle    Spread Port    40/60     HV 1000 / HV 1002 / SE 100 / SE 102

KC 11 SP X 231cc  67 cc     2.100/1.600     Angle    Spread Port    40/60     HV 1000 / HV 1002 / SE 100 / SE 102


Cylinder Head Recommendations:

                   CUBIC INCH            COMPRESSION          CAMSHAFT                   RPM                                  APPLICATION

11 STD X             406 - 430          12.5 Minimum            Roller             4000 - 7500           Oval Track / Drag Race

11 SP X                406 - 430          12.5 Minimum            Roller             4000 - 7500           Oval Track / Drag Race

KC 11 SP X          406 - 430          12.5 Minimum           Roller              4000 - 7500          Oval Track / Drag Race

Flow Chart CFM @ 28" H20

                              VALVE SIZE                                0.200          0.300           0.400         0.500          0.600           0.650           0.700

11 STD X           2.080 INTAKE                 133           191          235          272          283          284          285

                          1.600 EXHAUST              90          126          158         184          200          204         208

11 SP X              2.080 INTAKE                 133           191          235          272          283          284          285

                          1.600 EXHAUST             103          137         166         188          201         206          211

KC 11 SP X       2.100 INTAKE                  146          203          253          293          314          314           316

(CNC Ported)    1.600 EXHAUST               113          149           177         198          228           233          236

BASIC EASY ORDER NUMBER:

KC 11 SP X Pkg Spread Port Exhaust 1118101 MAKE OFFER PER 2

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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Warning: May cause cancer and reproductive harm.