WP GB 2000 Series Cylinder Head Lightened
Product Discontinued
BRODIXPART NUMBER: 158-1138100

WP GB 2000 Series Cylinder Head Lightened

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

WP GB 2000 Series Cylinder Heads
  • 286cc Intake Ports
  • 76cc Combustion Chambers
  • 100% CNC Ported
    • WP GB 2000 Series Cylinder Head
    • Lightened
    • 286cc Intake Ports
    • 76cc Combustion Chambers
    • 2.200'' Intake / 1.580'' Exhaust Valves
    • 1.550'' Dia. Springs - 240# Seat Pressure
    • Titanium Retainers
    • Angle Plug
    • Assembled, Sold Individually

      Lightened = Machined to reduce overall weight of this cylinder head.

      Cylinder Head Specifications
    • Intake Port Volume: 286cc
    • Combustion Chamber Volume: 76cc
    • Valves: 2.200' dia. x 6.090' o.a.l. Titanium Intake / 1.580' dia. x 6.090' o.a.l. Steel Exhaust ( 11/32' Stem Diameter )
    • Valve Springs: 1.550' Diameter - Open Pressure: 550 lbs.; Closed Pressure: 240 lbs.; Installed Height: 1.950'; Max Lift: .700'
    • Spring Retainers: 1.550' 10° Titanium
    • Rocker Studs: Shaft System Required
    • Guide Plates: N/A
    • 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-MG2200, Cometic p/n 245-C5423
    • Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or Cometic p/n 245-C5399 (350ci) / 245-C5403 (400ci)
    • Exhaust Gasket: Brodix p/n 158-MG52464 (Trim to fit), Cometic p/n 245-C5422 (Spread Port)
    • Head Studs: Brodix BR HSRP/GB CI Block
    • Spark Plug Specs: 14mm Thread, .750' (3/4') Reach, Gasket Seat
    • Valve Angle: 13.5°
    • Angle Milling: N/A
    • Flat Milling: .0060' per cc
    • Pushrod Slots: Left Bare and Uncut
    • Stud Girdle: N/A
    • Rocker Arms: Shaft System with 85/125 Spacing - T&D 2221, Jesel KPS 20592 (Check heads for intake offset)
    • Lifters: .180' Offset
    • Pistons: Special 13.5° with -12 spark plug angle
    • Pushrods: Special Length
    • Intake Face Angle: 5°
    • Exhaust Pattern: Spread Port with Stahl Bolt Pattern Header Flange
    • Valve Centerline: 85/125
    • Spring Pockets: 1.550' Out of the Box, May be cut to 1.625' - No larger or deeper
    • Accessory Bolt Holes are Drilled
    • Recommended Intake Manifold: Edelbrock 2955 with Brodix Spacers and Valley Plate
    Part TypeCylinder Head
    BrandBRODIX
    Part CategoryPerformance Parts
    Part FitmentSemi Universal
    Vendor Part Number1138100
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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