Dart vPRO20/BBC — Complete
490 cfm at .800! 20º rolled valve angle for max-effort NA, big boost or nitrous.
Package price: $5,795 — final price quoted to your combo.
Every head and porting package is sized to your combination. Send a work order and Chad will reply with a quote before any work starts.
Description
Dart’s conventional asymmetrical port design featuring a 20º rolled valve angle with redesigned shallow combustion chambers. Ideal for maximum-effort naturally aspirated, big-boost forced induction, or nitrous applications. Fully CNC, Manley stainless valves, PAC 1248 triple springs, Manley titanium retainers, locks and locators.
| Runner | 450 cc |
|---|---|
| Chamber | 96 cc |
| Valves | 2.400 / 1.800 |
| Fixture | 4.600 |
| Pipe | 2.125 |
| Flow @ .800 | 489 / 330 |
| Flow @ 1.000 | 496 / 344 |