The BP HH SB O 229 is the latest edition to the legendary Head Hunter series of cylinder heads.
This 100% CNC ported head showcases 229 cc oval-shaped intake ports that flow 325 cfm.
Other features include a 2.125/1.600 valve combination, 40/60 valve spacing, and a very thick
nitrous-friendly deck. These heads are available in a variety of intake port sizes.
Package Heads:
PS CB: VALVE BOWLS BLENDED• PS MI: MATCH INTAKE PORT TO MG 1229 • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.125 X 5.065 o.a.l. - BR 60025 • 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: BRODIX MG 1229 • Head Gaskets: 350 - FEL-PRO 1003, COMETIC C5399 400 - FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: FEL-PRO 1406, COMETIC C5415 • 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 6440 • Rocker Arms: STANDARD
Cylinder Head Specifications:
INTAKE PORT CHAMBER VOLUME VALVE SIZES INT./EXH. PLUG ANGLE EXHAUST PATTERN VALVE CENTERLINE INTAKE MANIFOLDBP HH SB O 229 229 cc 68 cc 2.125/1.600 Angle Standard 40/60 HV 1017/HV 1018
Cylinder Head Recommendations:
CUBIC INCH COMPRESSION CAMSHAFT RPM APPLICATION
BP HH SB O 229 383 - 430 12.5 Minimum Roller 4000 - 7500 Oval Track / Drag Race / Pro Street
Flow Chart CFM @ 28" H20VALVE SIZE 0.200 0.300 0.400 0.500 0.600 0.650 0.700
BP HH SB O 229 2.125 INTAKE (50° Valve Job) 139 205 257 300 319 322 325
1.600 EXHAUST (45° Valve Job) 122 166 200 219 227 233 236
BASIC EASY ORDER NUMBER
BP HH SB O 229 Pkg 68 cc Intake Runner 1098100 MAKE OFFER PER 2
BP HH SB O 229 Pkg 64 cc Intake Runner 1098101 MAKE OFFER PER 2
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