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Ford Performance Z303 Performance Camshaft (85-95 5.0L)

Item 50566
AmericanMuscle no longer carries the Ford Performance Z303 Performance Camshaft (85-95 5.0L). Please check out 2015-2022 Mustang Camshafts for an updated selection.
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    Product Information

    Features, Description, Q&A, Specs & Installation


    • Significant power improvement
    • Great for naturally aspirated Mustangs
    • Classic muscle car lumpy idle
    • Hydraulic roller camshaft
    • Sold Individually
    • For 1985-1995 5.0L with roller cam block


    Improves Performance. 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 are recommended.

    Application. 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.

    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Camshaft

    Tech Specs

    Questions & Answers

    10 More Questions

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