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Brodix 2038119

Brodix BP BB-3 XTRA 380 Series Cylinder Head CNC Ported

158-2038119

Free Shipping Ships directly from the manufacturer on 09/27/19
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$2,340.49
Brodix BP BB-3 XTRA 380 Series Cylinder Head CNC Ported $2,340.49
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BP BB-3 XTRA 380 Series Cylinder Head
  • CNC Ported
  • 380cc Rectangle Intake Ports
  • 115cc Combustion Chambers
  • 2.350'' Intake / 1.880'' Exhaust Valves
  • 1.645'' Dia. Springs - 330# Seat Pressure
  • Titanium Retainers
  • Assembled, 1/pkg.
  • Brodix 2038119 Details

    BP BB-3 XTRA 380 Series Cylinder Heads

  • 380cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure
  • Cylinder Head Specifications
  • Intake Port Volume: 380cc - Rectangle Port
  • Combustion Chamber Volume: 115cc
  • Valves: 2.350'' dia. x 5.568'' o.a.l. Intake / 1.880'' dia. x 5.494'' o.a.l. Exhaust ( 11/32'' Stem Diameter )
  • Valve Springs: 1.645'' Diameter - Open Pressure: 945 lbs.; Closed Pressure: 330 lbs.; Installed Height: 2.100''; Max Lift: .875''
  • Spring Retainers: 1.645'' 10° Titanium
  • Rocker Studs: 7/16''
  • Guide Plates: 3/8''
  • Valve Seals: 11/32''
  • Spark Plug Configuration: Angled

    Facts and Related Components
  • Torque Heads: 70 ft-lb.
  • Torque Rocker Studs: 40-45 ft-lb.
  • Intake Gasket: Brodix p/n 158-MG2001, Fel-Pro p/n 375-1252-3, Cometic p/n 245-C5428
  • Head Gasket: 4.540'' Bore - Fel-Pro p/n 375-1017, Cometic p/n 245-C5433; 4.600'' Bore - Fel-Pro p/n 375-1057, Cometic p/n 245-C5434
  • Exhaust Gasket: Fel-Pro p/n 375-1411 or Cometic p/n 245-C5429
  • Head Bolts: ARP p/n 070-135-3606, Manley p/n 660-42192
  • Head Studs: ARP p/n 070-235-4702 (12-point)
  • Spark Plug Specs: 14mm Thread, .750'' (3/4'') Reach, Gasket Seat
  • Valve Angle: 24° and 4° Intake, 15° and 4° Exhaust
  • Angle Milling: .0066'' per cc
  • Flat Milling: .0050'' per cc
  • Pushrod Slots: Standard
  • Pushrods: Check pushrod clearance with head installed on the engine block before final assembly
  • Stud Girdle: Standard, Brodix p/n 158-1230
  • Rocker Arms: Standard
  • Lifters: Standard
  • Pistons: 2° Valve Rolled Piston
  • Exhaust Pattern: Raised .600''
  • Spring Pockets: May not be cut any larger or deeper than 1.625''
  • Accessory Bolt Holes are Drilled
  • Recommended Intake Manifold: Brodix SA 2013 (p/n 158-SA2013) / SA 2022 (p/n 158-SA2022) / BM 2017* (p/n 158-BM2017) / BM 2027* (p/n 158-BM2027) - *Note: Oval Port Intake Manifold Must Be Port Matched to Fit Rectangular Port Heads

  • Specifications:

    Manufacturer's Part Number:
    2038119

    Innovatie Design and Performance That Accepts Most Standard BB-Chevy Components!
    24°/4° Intake & 15°/4° Exhaust Valve Angles

    Brodix built the BB-3 XTRA Series to take the conventional big block to the next level. These cylinder heads feature a valve angle that is rolled two-degrees. The BB-3 XTRA Series is available in a Rectangular-shaped or Oval-shaped intake port configuration, and both are offered in an out-of-the box version or completely CNC ported. The out-of-the-box versions features a CNC'd intake port match and bowls are blended while the intake ports, exhaust ports and combustion chambers remain as casted.
    The Rectangle Port BB-3 XTRA 345 series and BB-3 XTRA 363 series, both with CNC ported 119cc combustion chambers, CNC bowls blended and ports matched, easily flow over 390 cfm. The Rectangular Port BP BB-3 XTRA series are 100% CNC ported and available in two port volumes, 366cc and 380cc. The 380cc version flows over 440 cfm.
    The Oval Port BP BB-3 XTRA O series are also 100% CNC ported and available in three port volumes: 332cc, 351cc, and 365cc. This wide range of port volumes allows the oval port to compliment virtually any engine combination available. Port shape, port velocity, and the latest technology have propelled these cylinder heads to the top of their class.
    While creating the 100% CNC Ported BP series BB-3 XTRA, the professionals at Brodix invested many long hours on the flow bench and at the track developing a completely ported cylinder head. The bottom line is that Brodix builds you the most accurate, best flowing out-of-the-box cylinder heads available at the best price. These cylinder heads accept standard BB-Chevy intake manifolds, and rocker arms. The exhaust ports are raised .600'' higher than stock (check all clearances for off the shelf headers). Valve cover rails are now raised to assure no oil leakage. Every casting is poured from A-356 virgin aluminum and tested before Brodix utilizes their in-house processes such as finish machining and heat treating to assure that you receive the best products for your hard-earned money. Other features include a thick deck surface that is compatible with nitrous, drilled and tapped holes on the ends for standard drive accessories, phosphorous bronze valve guides and hardened valve seats installed for unleaded fuel. Sold Individually, 1/pkg. !

      VALVE SPRING   Specs
      1.550'' Diameter Valve Spring for Mechanical Flat Tappet & Hydraulic Roller Lifter Cam
  • Spring Pressure Open: 550 lbs.
  • Spring Pressure Closed: 240 lbs.
  • Installed Height: 1.950''
  • Max Lift: .700''
  •   1.625'' Diameter Valve Spring for Mechanical Roller Lifter Cam
  • Spring Pressure Open: 745 lbs.
  • Spring Pressure Closed: 255 lbs.
  • Installed Height: 2.050''
  • Max Lift: .800''
  •   1.645'' Diameter Valve Spring for Mechanical Roller Lifter Cam
  • Spring Pressure Open: 945 lbs.
  • Spring Pressure Closed: 330 lbs.
  • Installed Height: 2.100''
  • Max Lift: .875''
  • Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.