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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?

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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
        What max horsepower power range is this cam rated for? 1 answer
        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
        Is the f-303 cam a good choice for a 306 with a vortech supercharger ? 1 answer

          Customer Reviews (16) Write a Review

          Ratings Summary

          4.8 out of 5 overall rating from 16 customers

          Installation Time: Afternoon

          Installation Cost: $100-$250

          • April 27, 2019

            5 1993 LX - Ted Installation Time: Afternoon

            very nice

            completely satisfied with this purchase, very good qualitiy

            Helpful (0)
          • April 23, 2019

            5 1994 Cobra - a5literkid Installation Time: Afternoon

            F cam

            Works great and sounds great with good performance gain

            Helpful (1)
          • April 25, 2018

            5 1993 GT - RichardL


            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 ;)

            Helpful (8)
          • December 14, 2017

            5 1995 GT - RedDemon Installation Time: Full Day


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

            Helpful (10)
          • March 03, 2017

            5 1995 GT - ShaneS Installation Time: Afternoon

            Great quality

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

            Helpful (10)
          • November 07, 2016

            4 1992 Other - Durrance1996 Installation Time: Shop Install Installation Cost: $100-$250

            1992 fox body lx

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

            Helpful (10)
          • June 25, 2016

            5 1994 GT - Maddog Installation Time: Afternoon


            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

            Helpful (10)
          • May 20, 2016

            5 1991 GT - Quick

            "GREAT" Cam Shaft

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

            Helpful (12)
          • April 22, 2016

            5 1994 GT - Johnny Installation Time: Full Day

            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!!!!

            Helpful (10)
          • May 31, 2015

            5 1986 Other - Cloudryu Installation Time: Afternoon

            Worth the money

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

            Helpful (9)
          • May 29, 2015

            5 1991 Other - RollinHubcap Installation Time: Full Day

            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.

            Helpful (11)
          • January 20, 2015

            5 1990 GT - Mikey91 Installation Time: Afternoon

            F303 camshaft

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

            Helpful (11)
          • April 22, 2014

            4 1994 GT - rsvanam

            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!

            Helpful (9)
          • May 19, 2013

            5 1995 GT - PATRICK95GT Installation Time: Afternoon

            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.

            Helpful (14)
          • March 25, 2013

            5 1989 GT - coolhandluke Installation Time: Less than 1 Hour

            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!

            Helpful (13)
          • January 30, 2012

            4 1989 GT - foxbodygtjoe Installation Time: Less than 1 Hour

            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

            Helpful (18)

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