Tomei Poncam Camshaft Set (Type A: 143037 or Type B: 143018) - Nissan Skyline R34 GTR (RB26DETT). The Tomei Poncam camshafts are designed as a drop in replacement. No dialling in required as the knock-pin has been pre-set so that the cam timing it set for you. No valve spring upgrades are required and is the cheapest and best upgrade for street and track use. | Available Specifications (Select In "Available Options") | | Type (Part No) | Duration (In) | Duration (Ex) | Lift (In) | Lift (Ex) | | A (143037) | 260° | 252° | 9.15mm | 9.15mm | | B (143018) | 260° | 260° | Custom Grind
| 270° | 270° | |
