You’re off the corner and 3/4’s of the way down the backstretch. The tachometers climbing…..you look over and smile. You have the WEAPON 4412.
In 2010 Paul Schaffer used one to win the United States Super Truck Championship.
If you race with a 4412 two-barrel, we have the weapon of choice. Custom calibrated this two-barrel will even stand up to a roller-cam equipped engine. This mod level has yet to fail a tech inspection. This design makes serious power with no obvious modifications.
$590.00. Customer supplied units modified for $420.00
Actual Weapon 4412 Dyno Results
| RPM | T Lb-Ft |
HP | A1 CFM |
|---|---|---|---|
| 3750 | 375 | 268 | 358 |
| 4000 | 376 | 286 | 393 |
| 4250 | 373 | 302 | 420 |
| 4500 | 365 | 312 | 449 |
| 4750 | 366 | 331 | 472 |
| 5000 | 362 | 344 | 434 |
| 5250 | 349 | 343 | 510 |
| 5500 | 335 | 351 | 525 |
| 5750 | 323 | 353 | 542 |
Stock Holley 4412 Dyno Results
| RPM | T Lb-Ft |
HP | A1 CFM |
|---|---|---|---|
| 3750 | 377 | 269 | 351 |
| 4000 | 379 | 289 | 392 |
| 4250 | 377 | 305 | 412 |
| 4500 | 369 | 317 | 437 |
| 4750 | 361 | 327 | 460 |
| 5000 | 349 | 332 | 478 |
| 5250 | 298 | 298 | 491 |
| 5500 | 278 | 291 | 505 |
| 5750 | 261 | 286 | 516 |