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WP GB 2000 Series Cylinder Heads286cc Intake Ports 76cc Combustion Chambers 100% CNC Ported
- WP GB 2000 Series Cylinder Head
- 286cc Intake Ports
- 76cc Combustion Chambers
- 2.200'' Intake TI / 1.580'' Exhaust ST Valves
- 1.550'' Dia. Springs - 240# Seat Pressure
- Titanium Retainers
- Angle Plug
- Assembled, Sold Individually
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: AngledFacts 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
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Rocker Arm Nut Thread Size (In.)7/16"-20
Exhaust Valves IncludedYes
Locks IncludedYes
Retainers IncludedYes
Lock Style10 degree
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedYes
Intake Valve Angle13.5
Maximum Valve Lift0.7 in (17.78 mm)
Valve Seat MaterialDuctile iron
Heat CrossoverNo
Number Of Springs Per ValveDual
Valve Springs IncludedYes
Spark Plug StyleAngled
Valve Seat Machine Style3-angle
Damper Spring IncludedYes
Valve Guides IncludedYes
Cnc-Machined Intake RunnerYes
Intake Valves IncludedYes
QuantitySold individually
Valve Stem Seals IncludedYes
Intake Valve Diameter2.2 in (55.88 mm)
Accessory Bolt Holes DrilledYes
Exhaust Port LocationSpread
Valve Guide MaterialPhosphorous bronze
Outside Diameter Of Outer Spring1.55 in (39.4 mm)
Combustion Chamber Volume (Cc)76
Machined For O-RingNo
Exhaust Valve Angle13.5
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleAssembled
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Retainer MaterialTitanium
Intake Runner Volume (Cc)286
Cnc-Machined Exhaust RunnerYes
Cnc-Machined Combustion ChamberYes
Exhaust Valve Diameter1.58 in (40.132 mm)
Vendor Part Number1138101
Package Qty1
Package TypeEA
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