CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

The BRODIX ST 5.0 cylinder head was developed to fit the Ford Windsor engine. Out of the box, completely assembled ST 5.0 heads produce a 50 horsepower increase over other stock heads, and the combustion chambers may be milled into the mid 50 cc range. All existing stock 5.0 accessories can be used in the installation of the BRODIX ST 5.0. A modified version, the BRODIX ST 5.0 R, allows the use of 7/16 Ford roller rockers. The exhaust ports are raised .500 higher than stock Windsor heads on both versions. The KC CNC ported ST 5.0 R outflows all other heads in its class.

Package Heads:

• PS CB: VALVE BOWLS BLENDED• PS MI: MATCH INTAKE PORT TO FP 1250• PS Valve Job: COMPETITION VALVE JOB
• Intake Valves: 1.940 X 4.920 o.a.l. - BR 60194D 2.020 X 4.920 o.a.l. - BR 6170DI• Exhaust Valves: 1.600 X 4.940 o.a.l. - BR 6169DI
• Valve Springs: 1.470 HYDRAULIC ROLLER VALVE SPRING -
CC 987, 125 lb CLOSED, 325 lb OPEN, 1.900 INSTALLED HEIGHT, .575 MAXIMUM LIFT• Retainers: 1.430 7° STEEL - CC 743
• Valve Locks: 7°- PI PF-555• Rocker Studs: 7/16 - BR 716L, AR RRS-4I (ST 5.0 R)• Guide Plates: 5/16 - BR 289351 (ST 5.0 R)
• Valve Seals: 11/32 - US VS529V

Facts And Related Components:

• Torque Heads: 100 ft-lb WITH 1/2” STUDS 70 ft-lb WITH 7/16” STUDS• Torque Rocker Stands: 30 ft-lb (ST 5.0)
• Torque Rocker Studs: 40-45 ft-lb (ST 5.0 R, KC ST 5.0 R)• Intake Gaskets: FEL-PRO 1250
• Head Gaskets: FEL-PRO 1011-1 OR FEL-PRO 1011-2• Head Studs: ARP 154-4005 FOR 289-302 ARP 154-4203 FOR 351
• Head Bolts: ARP 154-3605 FOR 289-302 ARP 154-3603 FOR 351• Exhaust Gaskets: FEL-PRO 1487, BRODIX MG 1350
• Accessory Bolt Holes Are Drilled• Spark Plug Starting Points: CHAMPION C63CX OR AUTOLITE 3922
• Spring Pockets: MAY NOT BE CUT ANY LARGER OR DEEPER THAN 1.550• Valve Angle: 20°
• Angle Milling: NOT AVAILABLE• Flat Milling: .0060 in PER cc• Pushrods: STOCK LENGTH 6.250; MAY REQUIRE SPECIAL
LENGTH IF HEADS ARE MILLED• Rocker Arms: FORD STOCK 5.0 STANDARD NON-ADJUSTABLE
ROCKERS (MOTORSPORTS PART # M6564-B351)FOR ST 5.0 ANY FORD ROLLER ROCKERS WITH 7/16”
ROCKER STUDS FOR ST 5.0 R• Stud Girdle: 53/119 - BR 6430• Air Tube: STOCK AIR TUBE CAN BE USED WITH MINOR MODIFICATIONS.

Cylinder Head Specification:

                        INTAKE     CHAMBER  VALVE SIZES        PLUG           EXHAUST          VALVE                       INTAKE 

                          PORT        VOLUME         INT./EXH.          ANGLE          PATTERN    CENTERLINE             MANIFOLD

ST 5.0             171 cc            60 cc           1.940/1.600           Angle           Standard             53/119            Small Block Ford
ST 5.0 R         171 cc            60 cc           1.940/1.600           Angle           Standard             53/119            Small Block Ford
KC ST 5.0 R  185 cc            66 cc           2.020/1.600           Angle           Standard             53/119            Small Block Ford

 Cylinder Head Recommendations:

                     CUBIC INCH     COMPRESSION                    CAMSHAFT                                RPM                  APPLICATION

ST 5.0             289 - 347              9.5 - 10.5              Hydraulic / Hydraulic Roller          2000 - 6000          Street / Pro Street
ST 5.0 R         289 - 347              9.5 - 10.5              Hydraulic / Hydraulic Roller          2000 - 6000          Street / Pro Street
KC ST 5.0 R  289 - 408        10.5 Maximum         Hydraulic / Hydraulic Roller           2000 - 6500          Street / Pro Street           

                              VALVE SIZE      0.200                  0.300                  0.400                    0.500                    0.600                  0.700  

ST 5.0                1.940 INTAKE       130                      186                      225                       237                       241
                            1.600 EXHAUST  100                      132                      156                       172                       184
ST 5.0 R            1.940 INTAKE       130                      186                      225                       237                       241
                            1.600 EXHAUST  100                      132                      156                       172                       184
KC ST 5.0 R     2.020 INTAKE      145                       208                      245                       272                       277                     281
(CNC Ported)  1.600 EXHAUST  119                       150                      179                       198                       209                     216

BASIC EASY ORDER NUMBERS

ST 5.0 R Pkg 1051006 Int Vol 171 Cha 55 Val 1.94/1.6 Spr 1.47 ST Ret MAKE OFFER PER 2

ST 5.0 R Pkg 1051007 Int Vol 171 Cha 55 Val 2.02/1.6 Spr 1.47 ST Ret MAKE OFFER PER 2

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CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

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