BRODIX - 15 Series Cylinder Heads/15 1258001

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The CNC ported 15 is one of the latest in a long line of heads designed by BRODIX
for the dirt late model market. This new creation features a 15 degree valve angle,
specially raised and shaped intake and exhaust ports, and a newly designed chamber
and spark plug angle that works well with any type of fuel. These new 15 degree heads
are available 100% CNC ported in several different configurations.

Package Heads:

• PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO BRODIX MG 1550 • PS Valve Job: COMPETITION VALVE JOB
• Intake Valves: 2.180 X 5.850 o.a.l. • Exhaust Valves: 1.625 X 5.850 o.a.l. • 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: BRODIX MG 1550
• Head Gaskets: 350 - FEL-PRO 1003, COMETIC C5399 400 - FEL-PRO 1004, COMETIC C5403
• Exhaust Gaskets: SPREAD PORT - BRODIX MG 52464, COMETIC C5424 STANDARD - BRODIX MG 1506
• Head Studs: BRODIX SK HS 15C/18C AP (BRODIX ALUMINUM BLOCK) • 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, NO LARGER OR DEEPER • Valve Angle: 15°
• 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 2239, JESEL KPS 306114, CROWER 7417F • Lifters: .180 OFFSET • Pistons: SPECIAL 15°
• Pushrods: SPECIAL LENGTH • Intake Face Angle: 5°

Cylinder Head Specifications:

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

WP 15 SP 267 cc                  51 cc                                           2.180/1.625                                       Angle                       Spread Port                            58/107                      HV 1500 / HV 1501
WP 15 STD 267 cc               51 cc                                           2.180/1.625                                       Angle                      18° Standard                           58/107                      HV 1500 / HV 1501

C ylinder head recommendations

                               CUBIC INCH           COMPRESSION        CAMSHAFT                 RPM                     APPLICATION

WP 15 SP                  358 - 430                  13.5 Minimum                Roller                  4000 - 7500           Oval Track / Drag Race
WP 15 STD                358 - 430                  13.5 Minimum                Roller                  4000 - 7500           Oval Track / Drag Race

                              VALVE SIZE                                      0.200        0.300       0.400       0.500       0.600       0.700      0.800

WP 15 SP            2.180 INTAKE                                         156           225          275          327          358          362
(CNC Ported)      1.625 EXHAUST                                      111           164          223          245          254          259
WP 15 STD          2.180 INTAKE                                        156           225          275          327          358          362
(CNC Ported)      1.625 EXHAUST                                      111           164          223          245          254          259

BASIC EASY ORDER NUMBER:

• WP 15 STD Bare Standard Exhaust 1258001 MAKE OFFER PER 2

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