BRODIX -18c Series Cylinder Heads/18 1188102

Regular price $ 5,654.15

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The BRODIX 18 C cylinder head has an 18° valve angle that works well on dirt late model or
serious drag racing applications. This head has special valve centerlines and dowel location
requiring special components. Interlocking valve seats are installed along with replaceable
phosphorous bronze guides. The combustion chambers may be angle machined down to the
mid 40 cc range without weakening the deck surface. The 18 C has two exhaust bolt patterns
available and a 5° intake face requiring a special intake manifold and components

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO FP 1282 • PS Valve Job: COMPETITION VALVE JOB• Intake Valves: 2.180 X 5.540 o.a.l. - BR 60518D • Exhaust Valves: 1.625 X 5.540 o.a.l. - BR 60154 • 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: SHAFT SYSTEM REQUIRED• Valve Seals: 11/32 - US VS529V.

Facts And Related Components:

• Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: MODIFIED FEL-PRO 1282• Head Gaskets: 350 - FEL-PRO 1003, COMETIC C5399 400 - FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: SPREAD PORT - BRODIX MG 52464 (TRIM TO FIT), COMETIC C5424 • Head Studs: ARP 234-4727 (12 pt WITH 3/8 CENTER STUDS) • Accessory Bolt Holes Are Drilled• Spark Plug Starting Points: NGK R5671A-10 FOR ALCOHOL NGK R5671A-9 FOR RACING GAS• Spring Pockets: 1.550 OUT OF THE BOX, MAY BE CUT TO 1.625 - NO LARGER OR DEEPER• Valve Angle: 18° • Angle Milling: .0065 in PER cc • Flat Milling: .0055 in PER cc • Angle Machining: NOT AVAILABLE • Pushrod Slots: 58/107 • Stud Girdle: NOT AVAILABLE• Rocker Arms: SHAFT SYSTEM WITH 58/107 SPACING, CHECK HEADS FOR INTAKE OFFSET - T&D 2229, JESEL KPS 15409 • Lifters: .180 OFFSET • Pistons: SPECIAL 18°• Pushrods: SPECIAL LENGTH • Intake Face Angle: 5° A-356 Virgin Aluminum; Easily Repaired 5° Intake Flange AvailableCNC Ported 18° Standard or Spread Port Exhaust 58/107 Valve Spacing Flows Over 390 cfm CNC Ported.

Cylinder Head Specifications:

INTAKE PORT CHAMBER VOLUME VALVE SIZES INTAKE/EXHAUST EXHAUST PATTERN VALVE CENTERLINE INTAKE MANIFOLD

18 SP C              185 cc      40 cc       2.180/1.625       Angle       Spread Port        58/107        HV 1813 / HV 1814
18 STD C           185 cc      40 cc       2.180/1.625        Angle      18° Standard       58/107        HV 1813 / HV 1814
WP 18 SP C*      254 cc      56 cc       2.180/1.625       Angle       Spread Port        58/107        HV 1813 / HV 1814
KC 18 SP C        254 cc      56 cc       2.180/1.625       Angle       Spread Port        58/107        HV 1813 / HV 1814
WP 18 SP C AP  266 cc      57 cc       2.180/1.625       
Angle       Spread Port        58/107        HV 1813 / HV 1814

Cylinder Head Recommendations:

                                     CUBIC INCH           COMPRESSION           CAMSHAFT               RPM                     APPLICATION

WP 18 SP C*          358 - 430      13.5 Minimum         Roller        4000 - 7500       Oval Track / Drag Race
KC 18 SP C            358 - 430      13.5 Minimum         Roller        4000 - 7500       Oval Track / Drag Race
WP 18 SP C AP     358 - 430       13.5 Minimum         Roller        4000 - 7500      Oval Track / Drag Race

* The 18 SP C is available in several intake port sizes. Ask a BRODIX representative which size would best fit your application

Flow Chart CFM @ 28" H20

                              VALVE SIZE                0.200               0.300               0.400              0.500              0.600              0.700

 WP 18 SP C         2.180 INTAKE                157                    230                   280                  329                  360                  367
HUT 921.4 A        1.625 EXHAUST             112                    167                   209                  227                  238                  245
(CNC Ported)
KC 18 SP C          2.180 INTAKE                163                    232                   288                  335                   351                 360
(CNC Ported)       1.625 EXHAUST             119                    172                   214                  233                   242                 250
WP 18 SP C AP    2.180 INTAKE                154                    224                   278                  328                   369                 395
(CNC Ported)       1.625 EXHAUST             134                    175                   241                  261                   270                 274

BASIC EASY ORDER NUMBER:

WP 18 SP C Pkg Spread Port Exhaust 1188102 MAKE OFFER PER 2

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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