DART 18 DEGREE BBC OVAL PORT INTAKE RUNNER FULLY CNC PORTED HEAD

FULLY CNC PORTED HEAD WITH SONNY'S BOWL, CHAMBER, AND VALVE SEAT MACHINING MODIFICATIONS WILL RESULT AS FOLLOWING:

On a SF600 bench:
@ .800 lift intake runner will flow 437 cfm with a 2.350 Manley stainless valve
@ .800 lift exhaust runner will flow 339 cfm with a 1.860 Manley stainless valve

This head is excellent for 550-632 cu. in. BBC engines for drag racing and 580 - 650 cu. in. boat engines and most any class that allows a 18 degree intake valve inclined (roll over) angle in a BBC application.
Race Ready Castings
PRICE $4,645.00
DART 18 DEGREE BBC OVAL PORT INTAKE RUNNER FULLY CNC PORTED HEAD - Sonny's Racing Engines & Components
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Specifications
  • @ .800 lift intake runner will flow 437 cfm with a 2.350 Manley stainless valve
  • @ .800 lift exhaust runner will flow 339 cfm with a 1.860 Manley stainless valve
Features
  • Heart shaped combustion chambers
  • Interlocking ductile iron valve seats
  • Exhaust ports raised .300 to improve airflow over short side radius
Options
Race ready heads with Manley stainless steel valves, Vasco jet springs, titanium retainers, spring cups, hardened locks and valve seals $5,725.00
For Questions or Additional Information Call 434-239-1009 or Contact Us