The Ford Racing Z303 cam is the highest lift/duration/overlap hydraulic roller cam in the Ford Racing line-up and provides a significant power improvement and a classic lumpy idle. It works well with carburetors, mass air fuel injection, upgraded cylinder heads, intake and exhaust.Legendary Ford Racing Quality.
When you're adding performance parts to your Pony, you can't go wrong by installing parts from the folks that know it best. Ford Racing's legendary quality ensures a perfect fit and years of hassle-free use.Required Upgrade.
The Z303 Camshaft requires upgraded valve springs; requirements are 120 lbs valve seat pressure minimum 295 lbs open. For stock cylinder heads the of use M-6513-A50
valve springs installed at 1.820" are required. For aftermarket cylinder heads the use of M-6513-BH
The Ford Racing Z303 Performance Camshaft is designed for use in the 1985-1995 5.0L V8 Mustangs with a roller cam block. Ford Racing recommends a Hi-Stall torque converter for Mustangs with an automatic transmission.Technical Notes.
Performance camshafts work only on EFI engines with mass air induction systems.
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