SPE Motorsport 2011-2026 6.7L Powerstroke Stroker CP3 Conversion KitSPE Motorsport 2011 2026 6. 7L Powerstroke Stroker CP3 Conversion Kit The factory CP4 pump on the 6. 7 Powerstroke has a reputation and not a good one. The SPE Motorsport CP3 Conversion Kit was built from the ground up to eliminate those issues while keeping vital engine systems fully operational. Unlike other pump setups, our conversion doesnt suffer from timing issues or excessive load on the crank gear. That means less stress, fewer headaches, and