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BB-2 XTRA Series Cylinder Heads365cc Intake Port Volume Unassembled, Bare Head
- BB-2 XTRA Series Cylinder Head
- 365cc Intake Ports
- 119cc Combustion Chambers
- 2.300'' Intake / 1.880'' Exhaust Valve Sizes
- Bare, 1/pkg.
This head is sold as an unassembled bare casting. It is finished machined and includes valve guides and valve seats installed. This head does NOT include rocker studs, valves, springs, retainers or locks.
Cylinder Head Specifications - Intake Port Volume: 365cc - Rectangle Port
- Combustion Chamber Volume: 119cc
- Valve Sizes: 2.300' Intake / 1.880' Exhaust ( 11/32' Stem Diameter )
- 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-MG2001, Fel-Pro p/n 375-1252-3, Cometic p/n 245-C5428
- Head Gasket: 4.310' Bore - Fel-Pro p/n 375-1027, Cometic p/n 245-C5432; 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: 26° and 4° Intake, 17° 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: Standard w/BB-2 X, BB-2 XTRA, BP BB-2 XTRA; Check Piston Valve Notches w/BB-3
- Exhaust Pattern: Raised .600'
- Valve Centerline: Standard w/BB-2 X, BB-2 XTRA, BP BB-2 XTRA; Exhaust Valve Moved .300' w/BB-3
- Spring Pockets: May not be cut any larger or deeper than 1.625'
- Accessory Bolt Holes are Drilled
- Recommended Intake Manifold: Brodix HV 2000 (p/n 158-HV2000) / HV 2001 (p/n 158-HV2001)
Part TypeCylinder Head
BrandBRODIX
Package Height15.0
Package Width15.0
Package Length20.0
Weight40.0 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Exhaust Valves IncludedNo
Locks IncludedNo
Retainers IncludedNo
Guideplates IncludedNo
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Seats MachinedYes
Intake Valve Angle26
Valve Seat MaterialDuctile iron
Heat CrossoverNo
Valve Springs IncludedNo
Valve Seat Machine Style5-angle
Damper Spring IncludedNo
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedNo
QuantitySold individually
Valve Stem Seals IncludedNo
Intake Valve Diameter2.3 in (58.42 mm)
Accessory Bolt Holes DrilledYes
Exhaust Port LocationRaised
Valve Guide MaterialPhosphorous bronze
Combustion Chamber Volume (Cc)119
Machined For O-RingNo
Exhaust Valve Angle26
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cylinder Head StyleBare
Part FitmentSemi Universal
Valve Cover Mounting StylePerimeter bolt
Intake Runner Volume (Cc)365
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.88 in (47.752 mm)
Vendor Part Number2020002
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
