Tomei Poncam Camshaft Set (143020 or 143050) - Nissan Skyline R33 GTS25-t (RB25DET). 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") | | Part No | Duration (In) | Duration (Ex) | Lift (In) | Lift (Ex) | 143020 / 143050
| 256° | 256° | 8.50mm | 8.50mm | | Custom Grind | 264° | 264° | *Be sure to select the appropriate vehicle manufacture date and desired specification.
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