3/8 Inch Street Performance Pushrods 94-03 Ford 7.3L Powerstroke XD321 XDP Fuel Delivery~Injection Pumps & Controllers The smaller nozzle will help

The smaller nozzle will help with fuel atomization and controlling EGT’s for towing while the larger nozzle will be better for top end power

With more fins per inch

XDP injectors are made from only the highest quality materials to provide you with a long-lasting replacement

No Limit Stainless Steel Down Pipe

3/8 Inch Street Performance Pushrods 94-03 Ford 7.3L Powerstroke XD321 XDP Fuel Delivery~Injection Pumps & Controllers The smaller nozzle will helpEliminate the weak link in the valvetrain of your 1994 2003 Ford 7. 3L Powerstroke with the XDP Pushrods 3 8 inch Street Performance XD321. The factory pushrods in your 7. 3L are almost 10. 25 inch long and cannot stand up to the stress of a modified engine. Increased valve spring pressures, cylinder pressures, and increased engine RPM can quickly max out the capabilities of your stock pushrods causing flex that leads to valvetrain damage and power