Cylinder Head Vital Specs - Power Curves
DART
COMPETITION PRODUCTS
800.233.0199
competitionproducts.com The Dart Iron Eagle heads pumped out 478 lb-ft of torque at 4,100 rpm and 450 horses at 5,600 rpm. The 215cc runners flowed 220 cfm at 0.400-inch lift and would be a good choice for larger small-block Chevys. | CATEGORY 3 | | MODEL: | Dart Cast Iron Eagle Platinum Assemblies, | | 215cc, Stage 2 | | PN: | 10510020PK2 | | PRICE: | $960/pair | | Weight: | 52 pounds each | | True measured combustion chamber volume: | 65 cc | | True measured intake and exhaust port volume: | 215 cc | | Spring pressure: | 110 lbs. on seat; 280 lbs. at 0.500-inch | | installed height | 1.850 inch | | Valve size: | 2.05/1.60-inch | | Intake flow at 0.400 lift: | 220 cfm | | Complete, with guideplates | | Airflow | | Valve lift | .050 | .100 | .200 | .300 | .400 | .500 | .600 | | Intake Corr test flow | 32 | 63 | 132 | 180 | 220 | 251 | 272 | | Exhaust Corr test flow | 19 | 56 | 106 | 133 | 162 | 178 | 182 | | POWER | | Average torque: | 447 lb-ft | | Average horsepower: | 396 hp | | RPM | lb-ft | HP | | 3,200 | 446 | 272 | | 3,300 | 447 | 281 | | 3,400 | 452 | 292 | | 3,500 | 459 | 306 | | 3,600 | 465 | 319 | | 3,700 | 471 | 332 | | 3,800 | 476 | 344 | | 3,900 | 477 | 354 | | 4,000 | 478 | 364 | | 4,100 | 478 | 373 | | 4,200 | 476 | 381 | | 4,300 | 475 | 388 | | 4,400 | 473 | 396 | | 4,500 | 471 | 404 | | 4,600 | 468 | 410 | | 4,700 | 466 | 417 | | 4,800 | 462 | 422 | | 4,900 | 457 | 426 | | 5,000 | 452 | 431 | | 5,100 | 446 | 433 | | 5,200 | 441 | 436 | | 5,300 | 436 | 440 | | 5,400 | 432 | 444 | | 5,500 | 427 | 447 | | 5,600 | 422 | 450 | | 5,700 | 413 | 448 | | 5,800 | 401 | 443 | | 5,900 | 395 | 443 | | 6,000 | 383 | 437 | | 6,100 | 372 | 432 |
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