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BBC BB-5 387cc/119cc Race Series Cylinder Heads - Bare each

Price:
$1,189.99
SKU:
BRO2050000
Brand:
Quantity:


Product Description

The BRODIX -4 and -5 valve angles have been rolled 2° from stock to produce more torque and less chamber volume. The -4 and -5 have a raised intake port design (approximately .400

BB-5 Series Cylinder Heads

  • 387cc Intake Port Volume
  • Unassembled, Bare Head

 

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: 390cc - Rectangle Port
  • Combustion Chamber Volume: 119cc
  • Valve Sizes: 2.350'' Intake / 1.880'' Exhaust ( 11/32'' Stem Diameter )
  • 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-MG2001, Cometic 245-C5428, Fel-Pro 375-1252-3
  • Head Gasket: 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: 24° and 4° Intake, 15° 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
  • Rocker Arms: Standard
  • Lifters: Standard
  • Pistons: 2° Valve Rolled Piston
  • Valve Centerline: Standard
  • Exhaust Pattern: Raised .600''
  • Spring Pockets: May not be cut any larger or deeper than 1.625''
  • Accessory Bolt Holes are Drilled
  • Recommended Intake Manifold: Brodix SA 2012 (p/n 158-SA2012) / SA 2020 (p/n 158-SA2020)

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