| Dyno Results | |||
| Camshaft Part # | 12-408-8 | Grind # | XR258HR-10 |
| Duration @ 0.006": | 258° / 264° | Duration @ 0.050": | 206° / 212° |
| Max Lift w/ 1.5RR: | .480" / .487" | Lobe Separation: | 110° |
| Lobe ID#'s: | 3311 / 3312 | Intake Centerline: | 106° |
| Engine Type: | Chevrolet 350 Small Block | ||
| Bore: | 4.040" | Stroke: | 3.480" |
| Displacement: | 356ci | Compression: | 9.25:1 |
| Heads: | Dart S/R | Intake: | Edelbrock Performer |
| Carburetor: | Holley #3310 Vac. Sec. | Exhaust: | 1 5/8" Headers |
| Max Torque: | 413 ft*lbs @ 3700 RPM | Max Power: | 325 HP @ 4400 RPM |
| Manifold Vacuum: | 17" Hg @ 800 RPM & 18" Hg @ 1000 RPM w/ no load. | ||
 |
|||
Latest News
-
Read about the newest product launches from our development team.
Watch the latest product and technology videos from COMP Cams®.
Events
COMP Performance Group will be in attendance at many of the largest races & car shows across the country.
