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Brodix Cylinder Heads 2021024 - Brodix Cylinder Heads BB-2 Xtra Cylinder Heads for Big Block Chevy

  • Cylinder Head, BB-2 Xtra, Aluminum, Assembled, 119cc Chamber, 365cc Intake Runner, Chevy, Big Block, Each
  • Application Specific
  • Estimated Ship Date: Today
 
BrandBrodix Cylinder Heads
Manufacturer's Part Number2021024
Part TypeCylinder Heads
Product LineBrodix Cylinder Heads BB-2 Xtra Cylinder Heads for Big Block Chevy
Summit Racing Part NumberBRO-2021024
 
Cylinder Head StyleAssembled
Cylinder Head MaterialAluminum
Cylinder Head FinishNatural
Combustion Chamber Volume (cc)119
CNC-Machined Combustion ChamberNo
Intake Runner Volume (cc)365cc
CNC-Machined Intake RunnerNo
CNC-Machined Exhaust RunnerNo
Intake Port ShapeRectangular
Intake Port LocationStandard
Exhaust Port ShapeRound
Exhaust Port LocationRaised
Intake Valves IncludedYes
Intake Valve Diameter (in)2.300 in.
Exhaust Valves IncludedYes
Exhaust Valve Diameter (in)1.880 in.
Valve Springs IncludedYes
Maximum Valve Lift (in)0.700 in.
Outside Diameter of Outer Spring (in)1.550 in.
Damper Spring IncludedYes
Number of Springs Per ValveDual
Retainers IncludedYes
Retainer MaterialSteel
Locks IncludedYes
Lock Style10 degree
Valve Stem Seals IncludedYes
Valve Stem Seal StyleTeflon®
Rocker Arm Studs IncludedYes
Rocker Arm Nut Thread Size7/16-20 in.
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Guideplates IncludedYes
Guideplate Pushrod Size3/8 in.
Valve Cover Mounting StylePerimeter bolt
Accessory Bolt Holes DrilledYes
Intake Valve Angle26
Exhaust Valve Angle26
Valve Guides IncludedYes
Valve Guide MaterialPhosphorous bronze
Valve Seats MachinedYes
Valve Seat Machine Style5-angle
Valve Seat MaterialDuctile iron
Steam Holes DrilledNo
Oiling StyleThrough pushrod
Machined for O-RingNo
Heat CrossoverNo
QuantitySold individually.
NotesValve cover rails are raised for better sealing.
CalculatorCompression Calculator
 

These BB-2 Xtra cylinder heads from Brodix Cylinder Heads flow over 375 cfm with only the bowls blended and the intake ports matched to the gaskets. The intake ports have been contoured and matched for use in today's 540 cu. in. or larger bracket-racing big block Chevy engines. These cylinder heads will accept all standard pistons, intake manifolds, and rocker arms, and the valve cover rails are raised to prevent leakage. They're available in both as-cast and CNC-ported versions.

Warranty

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