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Ford Performance F303 Performance Camshaft (85-95 5.0L)

Item 50246
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    Features, Video & Details

    • Improved Street Performance
    • Great for Supercharged Mustangs
    • Hydraulic Roller Lifter
    • Sold Individually
    • For 1985-1995 5.0L with 1.60 Rockers

    Review & Installation Video

    Review & Install Video

    Street Performance. This Ford Racing cam is a great replacement choice for excellent Low and Mid Range Torque, and a Good Idle. The Ford Racing F303 Performance Camshaft is also a great choice for Supercharged 5.0 Mustangs (manual transmission recommended ).

    Application. The Ford Racing F303 Performance Camshaft is designed for use in the 1985-1995 5.0L V8 Mustangs with 1.60 rockers. 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.

    Fitment: 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

    MPN# M-6250-F303

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Camshaft
    Installation Info
    Tech Specs
    Ford Racing Data Sheet
    Part Number: M-6250-F303 Rocker Ratio: 1.60
    Lifter Type: Hydraulic Roller Lifter Engine Type: FORD 5.0 (1985-1995)
    Lobe-Center Int. 109° Lobe-Center Exh. 119°

    Intake Exhaust
    Valve Lash: Hyd. Hyd.
    Duration: 288° 288°
    Duration @ .050" Lift: 226° 226°
    Valve Lift: 0.512 0.512
    Lobe Lift: 0.320 0.320

    Valve Timing @ 0.05" Lift: Open Close
    Intake: 4° BTC 42° ABC
    Exhaust: 52° BBC 6° BTC
    Will it fit my Mustang?

      Customer Photos (1) Submit Your Photo

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        Questions & Answers (13)

        5 Top Rated Questions

        Will a f-303 cam work with a stock intake on a 1987 mustang? I've got a 40 over flat top bottom end and a stock set of heads I'm wanting to know if the f-303 cam will work with those parts. I've got a guy wanting to sale a set of cobre gt 40 heads and intake with 1.70 roller rockers but if I don't have to have them then I would perfer to stick with what I have.

        • As with any camshaft, the Ford Performance F303 Performance Camshaft will need to be measured for proper piston-to-valve clearance. I would not recommend just dropping in camshafts, without checking clearances, even on a stock valve-train.

        Helpful (3)

        carberated will this cam work on a carberated engine

        • Yes it will if the engine is set up for a roller cam, but note that it is designed for an EFI engine. Your best choice is to call a cam manufacturer or the guys here at American Muscle and let them help pick the best cam for your application. Good Luck!

        Helpful (2)

        Cams I wanted to know what is faster a E(303) F303. I just want to know which cam makes a different performance but that is street legal.

        • Both Cams are street legal and I think the F cam is a little more agressive than the E cam. If you go with a X or Z cam they are made for racing applicaions I have the F 303 in my 95 Gt and I love it. Highly recommend replacing the rods with hardened rods and the lifters

        Helpful (2) Show 1 more answer

        Is there any reason not to run this cam on a 95 cobra motor qith GT-40 heads and 1.72 rockers? It is slated for boost down the line...

        • I would certainly suggest not to install this into a naturally aspirated application. When it comes to camshafts, it all comes down to timing. Hypothetically if you installed this into a naturally aspirated application, you would be losing power as your Mustang will effectively be expecting boost from a supercharger due to this improper timing. The same goes for putting a naturally aspirated cam into a supercharged application. It all comes down to proper timing.

        Helpful (1)

        If i was to install this in a stock block 302 from a 1986 GT, would I need to get a mass airflow meter and/or sensor?

        • In order to install in an 86 5.0L a MAF conversion would be required. Additionally piston to valve clearance will need to be checked due to the 86 having flat tops with no valve reliefs.

        Helpful (1)
        Post Your Question
        8 More Questions
        will this work in a 95 351W roller block 0 answer
        Will this cam work with the Scat 9000 347CI Stroker kit on an otherwise stock 94 cobra engine? 1 answer
        I have a stock 95 5.0 motor, my foxbody has been converted to mass air. Can I use all my stock components with this cam? (rockers, springs, valves, hydraulic lifters) or do I need to upgrade anything on my motor to run this camshaft? 1 answer
        Hey I'm interested in this cam for my 1995 mustang what springs and rockers do I need? 1 answer
        I am putting together a 393w, with AOD transmission and 2800rpm converter. Is for an effi pony. Do I recommend the F303? 1 answer
        i got a vortech v1and if i put a f303, can i keep the original spring valve or we have to change for other 1 answer
        What max horsepower power range is this cam rated for? 1 answer
        Is the f-303 cam a good choice for a 306 with a vortech supercharger ? 1 answer

          Customer Reviews (16) Write a Review

          Overall Rating 4.8

          out of 5 stars

          Installation Time:Afternoon

          Installation Cost:$100-$250

          • Performance Gain 4.5625 4.6
          • Fit 4.8125 4.8

          • 5/5

            Installation Time: Afternoon

            April 27, 2019

            very nice

            completely satisfied with this purchase, very good qualitiy


            Year: 1993 Submodel: LX

            Helpful (0)

          • 5/5

            Installation Time: Afternoon

            April 23, 2019

            F cam

            Works great and sounds great with good performance gain


            Year: 1994 Submodel: Cobra

            Helpful (1)

          • 5/5

            April 25, 2018


            I haven't installed it but to the cam looks amazing. Like if I could make love to a cam shaft I would. I recommend putting a hole in the cam for guys like me ;)


            Year: 1993 Submodel: GT

            Helpful (8)

          • 5/5

            Installation Time: Full Day

            December 14, 2017


            A Notice in Power Right Away Love The idle. installed The F303 after That Installed 373s and Dam You can Feel The Difference.


            Year: 1995 Submodel: GT

            Helpful (10)

          • 5/5

            Installation Time: Afternoon

            March 03, 2017

            Great quality

            Great quality couldn't ask for a better cam. Sounds really good and great power for the price


            Year: 1995 Submodel: GT

            Helpful (10)

          • 4/5

            Installation Time: Shop Install

            Installation Cost: $100-$250

            November 07, 2016

            1992 fox body lx

            This cam is so badass. You can definitely feel the difference and the power


            Year: 1992 Submodel: Other

            Helpful (10)

          • 5/5

            Installation Time: Afternoon

            June 25, 2016


            Is perfect!! the f303 when crazy my pony! The cam and the roller rokers is perfect combination!! Good cam in my opinión is good good product


            Year: 1994 Submodel: GT

            Helpful (10)

          • 5/5

            May 20, 2016

            "GREAT" Cam Shaft

            Installed this in my 91 Mustang Gt. Once I hit the Mid range it's a rocket. "LOVE" the lope.


            Year: 1991 Submodel: GT

            Helpful (12)

          • 5/5

            Installation Time: Full Day

            April 22, 2016

            94 gt mustang

            I just installed the Ford racing F 303 Cam,roller lifters ford racing. I'm very happy with the mid range power I've got from adding these. It's also got a very aggressive sound!!!!


            Year: 1994 Submodel: GT

            Helpful (10)

          • 5/5

            Installation Time: Afternoon

            May 31, 2015

            Worth the money

            I bought it to replace the old cam during my rebuild. Love the sound and the power it produces.


            Year: 1986 Submodel: Other Jasper, NY

            Helpful (9)

          • 5/5

            Installation Time: Full Day

            May 29, 2015

            F303 cam

            Great upgrade over stock cam. I already had gt40 aluminum heads and tubular gt40 intake and the difference was noticeable to say the least. Has a lumpy idle and after tuning, it runs really good, I haven't had it to the track yet and it wasn't tuned on a dyno so I can't give specific gains.


            Year: 1991 Submodel: Other Cleveland, OH

            Helpful (11)

          • 5/5

            Installation Time: Afternoon

            January 20, 2015

            F303 camshaft

            Shipped in about 4 days, installed it the next day with ease and couldn't be happier


            Year: 1990 Submodel: GT Fort Worth, TX, USA

            Helpful (11)

          • 4/5

            April 22, 2014

            Cobra kit car engine

            Put this cam in my Cobra kit car 347 EFI engine. Sounds great and has decent power. Cant beat it for the price!


            Year: 1994 Submodel: GT Wasington State

            Helpful (9)

          • 5/5

            Installation Time: Afternoon

            May 19, 2013

            The BANG for your buck

            I highly recommend F 303 cam for the price you will not be disappointed, great sound and performance at about 4000 RPM it really kicks in. I noticed the difference right away. I have a 95 GT 5.0 w/ long tube headers, X-Pipe exhaust and Flowmaster 44's it sounds awesome. On idle its a little low but enough to know your packing something under the hood, but when you stand on it the exhaust sound comes alive with that 5.0 growling sound. It's a great Cam for racing or everyday driving I Recommend replacing the push rods with Hardend Rods and also replace Lifters, thats what I did just to play it safe. Thx again AM.


            Year: 1995 Submodel: GT Kissimmee, FL

            Helpful (14)

          • 5/5

            Installation Time: Less than 1 Hour

            March 25, 2013

            F303 cam is amazing!!!

            awesome cam I put it my natural aspirated 302 and all I did was put high performance lifters, push rods, and 1:70 rocker arm and it runs great! and sounds amazing!


            Year: 1989 Submodel: GT

            Helpful (13)

          • 4/5

            Installation Time: Less than 1 Hour

            January 30, 2012

            this product is worth its weight in money

            i have the F303 in my 89 notchback with a 92 5.0 h.0 and it gained a lott of power in low rpms, and mid range, also improved high end


            Year: 1989 Submodel: GT lakeland,FL

            Helpful (18)

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