SAR/BRODIX BB-5 390CC MAX FLOW MARINE HEADS

Designed by Sonny's (Manufactured by Brodix)

At SAR all head porting is done in-house. We use a state of the art 5 axis CNC vertical machining center, which can produce precision work to programmed "blue print" specs.

These BB-5 aluminum heads are the largest intake port BBC head casting available with raised intake ports recommended for 540 cu. in. and larger engines, with capabilities of sustaining 600+ cu. in. Other features include, replaceable bronze guides, valve sizes are 2.300" x 1.920" for supercharged applications and 2.350" x 1.900" for N/A applications. Custom Sonny's heart chamber design is also incorporated in this cylinder head.

Peak Intake flow:
Short 418 cfm @ .800" lift @ 28" H20 405cfm @ .700" lift @ 28" H20
Long 401 cfm @ .800" lift @ 28" H20 383cfm @ .700" lift @ 28" H20

Peak Exhaust flow:
303 cfm @ .800" lift @ 28" H20 295cfm @ .700" lift @ 28" H20
Race Ready Fully Assembled Heads
PRICE $4,920.00
SAR/BRODIX BB-5 390CC MAX FLOW MARINE HEADS - Sonny's Racing Engines & Components
Click image to enlarge
Specifications
  • Chamber volume 125 cc (4.440 bore)
  • Intake runner vol: Short 403 cc Long 419 cc
  • Exhaust runner vol: 149 cc
Features
  • CNC machined castings
  • Manley "Severe Duty" stainless steel valves in 2.350 ex. 1.900
  • Install/fit bronze guides
  • Machine for larger valve springs
  • Manley titanium 10 deg retainers
  • Manley 10 degree hardened locks
  • Precision, mulit-angle valve job and equalize seat depth
  • Manley hardened spring cups
  • Manley Vasco-Jet springs
  • Full competition port
  • Teflon valve seals
  • Hand contoured by one of our cylinder head experts after CNC machining
  • 11/32' bronze guides
  • Two adjustable pushrods for you to make correct pushrod lengths
  • Machined for springs and seal
  • Flow tested
  • Correct spring height and assemble
  • Machine for T&D rocker arm bar
Options
Sonny's Brodix 1x4 manifold port matched for above heads $840.00
For Questions or Additional Information Call 434-239-1009 or Contact Us