CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

Economical out-of-the-box horsepower is what comes to mind with this new series of Dragon Slayer heads from Brodix. The new Dragon Slayer 225 comes standard with CNC Ported 68 cc combustion chambers allowing this port to flow over 300 cfm .600 cam lift. The best thing about this head is that all standard components such as rockers, lifters and intake manifold may be used.

FACTS AND RELATED COMPONENTS:

Package small block Chevy compatible heads.

DS 225™ NEW

• As-Cast 225 cc Intake Port
• 2.080 / 1.600 Valve Sizes
• CNC Ported Chambers
• Uses Standard Rockers and Components
• Flows Over 300 cfm at .600 Lift
• Best As-Cast Head in Its League
• 23° Small Block Chevy Compatible

PS CB: VALVE BOWLS BLENDED
• PS MI: MATCH INTAKE PORT TO FP 1206
• PS Valve Job: COMPETITION VALVE JOB
• Intake Valves: 2.080 X 4.965 o.a.l. - BR 81019
• Exhaust Valves: 1.600 X 4.965 o.a.l. - BR 81021
• Valve Springs: 1.550 FLAT TAPPET VALVE SPRING -BT 120121,
140 lb CLOSED, 400 lb OPEN, 1.950
INSTALLED HEIGHT, .600 MAXIMUM LIFT
1.550 ROLLER VALVE SPRING - GA 1000, 240 lb
CLOSED, 550 lb OPEN, 1.950 INSTALLED HEIGHT,
.700 MAXIMUM LIFT
• Retainers: 1.550 10° STEEL - CC 752
• Valve Locks: 10° JUMBO - CC 611
• Rocker Studs: 7/16 - BR 716L, AR RRS-4I
• Guide Plates: 5/16 - CC 4808
• Valve Seals: 11/32 - US VS529V

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: Fel -Pro 1406, Cometic C5415T&D

• 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: STANDARD
• Stud Girdle: BR 6435
• Rocker Arms: STANDARD

ECONOMY OR JESEL SHAFT SYSTEM -
T&D 2256, JESEL KPS 01001
• Lifters: STANDARD

CYLINDER HEAD SPECIFICATIONS:

       INTAKE CHAMBER VALVE SIZES PLUG       EXHAUST        VALVE                                      INTAKE

        PORT     VOLUME        INT./EXH.   ANGLE      PATTERN  CENTERLINE                             MANIFOLD

DS  225 cc       68 cc      2.080/1.600        Angle        Standard        Standard        HV 1000 / HV 1002 / SE 100 / SE 102 

CYLINDER HEAD RECOMMENDATIONS:    

CUBIC INCH      COMPRESSION                CAMSHAFT                      RPM                                     APPLICATION

   350 - 406           11.5 Minimum            Flat Tappet / Roller          3500 - 7500           Oval Track / Drag Race / Pro Street

VALVE SIZE        0.200                   0.300                   0.400                   0.500                   0.600                   0.650                 0.700

2.080 INTAKE       142                       212                      260                       287                      302                      302                     304

1.600 EXHAUST  115                       154                      183                       199                       204                      207                    210

BASIC EASY ORDER NUMBERS:

  DS 225 Bare 1320000 225 68 cc                 MAKE OFFER PER 2              

• DS 225 Pkg .700 LIFT 1321001 225 68 cc MAKE OFFER PER 2

• DS 225 Pkg .600 LIFT 1321002 225 64 cc MAKE OFFER PER 2

• DS 225 Pkg .700 LIFT 1321003 225 64 cc MAKE OFFER PER 2

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