| Product Line | LSR Cathedral Port |
| Advertised Intake Duration | 277 |
| Advertised Exhaust Duration | 285 |
| Intake Lift | 0.614 in |
| Lobe Separation Angle | 113 Degrees |
| Operating Range RPM Upper | 7000 RPM |
| Material | Billet Steel |
| Finish | Natural |
| Note | Hydraulic Roller - LSR Cathedral Port |
| Camshaft Lifter Style | Hydraulic Roller Tappet |
| Intake Duration at 0.050 in | 227 |
| Exhaust Duration at 0.050 in | 235 |
| Exhaust Lift | 0.621 in |
| Operating Range RPM Lower | 1900 RPM |
| Manufacturer Grind Number | 277Lr HR13 |
| Color | Natural |
| Quantity | Each |
| Package Weight | 9.87 lbs (4.48 kg) |
| Package Width | 2.95 in (7.49 cm) |
| Package Length | 24.7 in (62.74 cm) |
| Package Height | 2.8 in (7.11 cm) |
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