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Brodix 2148100

STS PB 2005 Series Cylinder Head CNC Ported

158-2148100

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Ships 12/15/16 if Ordered Today
Brodix 2148100 STS PB 2005 Series Cylinder Head CNC Ported $3,348.46
STS PB 2005 Series Cylinder Head
  • CNC Ported
  • 490cc Oval Intake Ports
  • 84cc Combustion Chambers
  • 2.520'' Intake / 1.860'' Exhaust Stainless Valves
  • 1.645'' Dia. Springs - 330# Seat Pressure
  • Titanium Retainers
  • Assembled, 1/pkg.

  • Brodix 2148100 Details

    STS PB 2005 Series Cylinder Heads

  • 490cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure
  • 100% CNC Ported
  • Cylinder Head Specifications
  • Intake Port Volume: 490cc - Oval Port
  • Combustion Chamber Volume: 84cc
  • Valves: 2.520'' dia. x 6.920'' o.a.l. Stainless Steel Intake (55° Valve Job) / 1.860'' dia. x 6.600'' o.a.l. Stainless Steel Exhaust (55° Valve Job) ( 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
  • 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 MG 2015 (p/n 158-MG2015)
  • 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: Brodix MG 2005 (p/n 158-MG2005)
  • Head Studs: Available Exclusively from Brodix - Brodix BR HS/PB 2005 CI BLK (12pt) for Cast Iron Block; Brodix SK HS PB 2005 (12pt) for Aluminum Block
  • Spark Plug Specs: 14mm Thread, .750'' (3/4'') Reach, Gasket Seat
  • Valve Angle: 14.5° and 4° Intake, 6° and 4° Exhaust
  • Angle Milling: N/A
  • Flat Milling: .0055'' per cc
  • Pushrod Slots: Standard
  • Pushrods: Check pushrod clearance with head installed on the engine block before final assembly
  • Rocker Arms: Shaft Mounted System - T&D 3051, Jesel KPS 23799
  • Lifters: Standard
  • Pistons: 14.5° x 6° Valve Piston
  • Spring Pockets: May not be cut any larger or deeper than 1.750''
  • Accessory Bolt Holes are Drilled
  • Recommended Intake Manifold: Brodix PM 1807 (p/n 158-PM1807) / PM 1817 (p/n 158-PM1817) / PM 1907 (p/n 158-PM1907) / PM 1917 (p/n 158-PM1917)

  • Specifications:

    Manufacturer's Part Number:
    2148100

    Flows Over 535cfm Out-of-the-Box!
    14.5°/4° Intake & 6°/4° Exhaust Valve Angles

    The Brodix PB 2005 cylinder head was designed by legendary engine builder Sonny Leonard. If you are looking for raw horsepower in a cylinder head, here is your answer! The PB 2005 is simply the best of the best. This head is offered in two versions, out-of-the-box and 100% completely CNC ported. The out-of-the-box version flows an unbelievable 535 cfm with just intake port matching, blended bowl and complete valve job. The STS-series is completely CNC-ported, the STS PB 2005 series flows over 560 cfm; this is unmatched by any other 4.840'' bore spacing head. Valve sizes include 2.520'' intake valves and 1.860'' exhaust valves, both with a 55° seat angle. All of this horsepower would go to waste without the strong castings Brodix provides. As usual, the PB 2005 offers the standard qualities of solid phosphorous guides, gorilla valve seats, extra thick deck, and the best aluminum in the business.
    PB 2005 series heads require special pistons, valve covers, head studs, shaft mounted rocker arms, and intake manifold.
    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 copper valve seats installed. Sold Individually, 1/pkg. Made in the USA!

      VALVE SPRING   Specs
      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''
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