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Brodix BB-2Xtra Aluminum Chev BB Head
The BB-2 Xtra head has a 340 cc intake port and flows over 375 cfm with only the bowls blended and the intake ports matched to the gaskets. the 365cc intake port has been contoured and matched for use in today's 540 cu. in. or larger bracket racing engines. Accepts all standard pistons, intake manifolds, and rocker arms. The exhaust ports are raised .600" higher than stock. Valve cover rails are raised to assure no oil leakage.
Part Type: Cylinder Head
Application: Chevrolet Big Block
Cylinder Head Material: Aluminum
Bare or Assembled: Bare
Combustion Chamber Size: 119cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 26
Exhaust Valve Angle: 26
Intake Port Volume: 365cc
CNC Machined Intake Port: No
Intake Port Flow: 379 cfm @ .700" Lift/ 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions:
Suggested Intake Gaskets: Fel-Pro 1252-3 or Equivalent
Exhaust Port Volume:
CNC Machined Exhaust Port: No
Exhaust Port Flow: 236 cfm @ .700" Lift/ 28"
Exhaust Port Location: Raised .600"
Exhaust Port Shape: D-Shaped
Exhaust Port Dimensions:
Suggested Exhaust Gaskets: Fel-Pro 1411 or Equivalent
Spark Plug Style:
Suggested Spark Plug: 14mm x 3/4" reach
Valve Guides: Yes
Valve Guide Spacing:
Valve Stem Diameter: 11/32" (.3415")
Valve Seats: Yes (Ductile Iron)
Valve Job: 5-Angle
Intake Valve Diameter: 2.300"
Intake Valve Included: No
Exhaust Valve Diameter: 1.880"
Exhaust Valve Included: No
Suggested Valve Length:
Valve Spring Pockets:
Valve Springs Included: No
Valve Spring Application: NA
Valve Springs Retainers Included: No
Valve Locks Included: No
Valve Seals Included: No
Rocker Studs Included: No
Guide Plates Included: No
Valve Cover Mounting Style: Perimeter bolt
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP 135-3606
Suggested Head Studs: ARP 235-4502
Suggested Stud Girdle:
Head Bolt Torque with Oil: 70 ft./lbs.
Rocker Stud Torque with Oil: 45 ft./lbs.
Intake Bolt Torque with Oil:
Manufacturer: Brodix Cylinder Heads
Manufacturer's Part Number: BB-2Xtra
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
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