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Ford Performance X303 Performance Camshaft (85-95 5.0L)

Market Price $225.99 You Save 12% ($26.00)
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  • Item 24070
  • MPN# M-6250-X303

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    Features & Details

    • Street/Strip Performance
    • Hydraulic Roller Lifter
    • Sold Individually
    • For 1985-1995 5.0L with 1.60 Rockers
    Street/Strip Performance. This Ford Racing cam is a great replacement choice for increasing your pony's torque and horsepower up to 6200 RPM, and it has a fair idle.

    Application. The Ford Racing X303 Performance Camshaft is designed for use in the 1985-1995 5.0L V8 Mustangs with 1.60 rockers.

    Technical Notes. Ford Racing recommends the use of a Hi-Stall torque converter for Mustangs equipped with automatic transmissions. Valve clearance should be checked, as it may require piston modification for piston-to-valve clearance.

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

    What's in the Box
    • (1) Camshaft
    Installation Info
    Tech Specs
    Ford Racing Data Sheet
    Part Number: M-6250-X303 Rocker Ratio: 1.60
    Lifter Type: Hydraulic Roller Lifter Engine Type: FORD 5.0 (1985-1995)
    Lobe-Center Int. 107° Lobe-Center Exh. 117°

    Intake Exhaust
    Valve Lash: Hyd. Hyd.
    Duration: 286° 286°
    Duration @ .050" Lift: 224° 224°
    Valve Lift: 0.542 0.542
    Lobe Lift: 0.339 0.339

    Valve Timing @ 0.05" Lift: Open Close
    Intake: 5° BTC 39° ABC
    Exhaust: 49° BBC 5° BTC
    Will it fit my Mustang?

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    10 Questions / 13 Answers

    Ask a Question

    I am building a 331 stroker. I have Trcikflow highport 64cc heads with 192cc runners will this cam work with this set up and if so what is the injector size?

    WarrenP

    • The Ford Performance X303 Performance Camshaft will work with your 331 stroker and Trickflow High Ports, however it will not be ideal. A cam such as the Comp Cams Stage 4 Xtreme Energy XE274HR Camshaft would be more beneficial for your setup with its split duration. Injector size will vary based on the rest of your setup, but will typically be between a 24lb/hr or 30 lb/hr.

      AMRobD

    Helpful (0)

    I have a 88 GT with 89 engine.i was told by the seller that it had a stock lower end and cast victor senior heads. Idle brac intake and 65 millimeter throttlebody with 24 lb injectors.I am looking for good strong cam that will come in from 1500 and be strong pulling up to 6000.The heads have 202 with 160 valves.What would recommend.Thank’s

    Mike

    • The Ford Performance X303 Performance Camshaft may not be the best cam for your setup, however we would need more information, such as the cylinder head part number to determine intake and exhaust runner volume, combustion chamber size, etc. We would also need to know the specific intake manifold, and if the car is automatic or manual, and if automatic, the stall speed of your torque converter. Please contact our customer service department so that we may best assist you with this.

      Rob D

    Helpful (0)

    Can this can be used with a carburetor?

    Zekiel

    • The Ford Performance X303 Performance Camshaft will work with a carburetor set up. If you have any other questions or concerns feel free to call or chat in.

      Pat K

    Helpful (0)

    Will this camshaft work with ford 1.7 rocker arms? or will i need to go down to 1.6 rocker arms? running on stock heads.

    JoshW

    • The Ford Performance X303 Performance Camshaft is designed for use in the 1985-1995 5.0L V8 Mustangs with 1.60 rockers only.

      Ricky36

    Helpful (0)

    What length pushrods do I need ? My stock rockers and pushrods are not working.

    RandyB

    • With the Ford Performance X303 Performance Camshaft, pushrod length should be measured, as depending on production tolerances, required length will vary.

      Rob D

    Helpful (0)

    What kind of valve springs would you recommend for this cam?

    AaronK

    • For the Ford Performance X303 Performance Camshaft we would recommend the Comp Cams Valve Springs linked below: https://www.americanmuscle.com/compcams-valvesprings-8595.html

      Rob D

    Helpful (0)

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    Customer Reviews (7) Write a Review

    Overall Rating 4.7

    out of 5 stars

    Installation Time:Full Day

    • Performance Gain 4.666667 4.7
    • Fit 5 5



    • 5/5

      Installation Time: Weekend

      March 13, 2018

      x303

      great bang for the buck,nice lopey idle pulls hard up to 6500!

      JOSHG

      Year: 1990 Submodel: GT

      Helpful (2)

    • 5/5

      April 27, 2017

      Joe DeMaria

      Love my new cam .Great performance .Built 5.8 EFI be smart stick with Ford parts .U won't be sorry . Dagreed in 25 minutes Runought valves .Lots of low-end torque.great gas mileage to .1days work .1992 Ford 150 flareside

      JoeD

      Year: 1992 Submodel: Other

      Helpful (3)

    • 5/5

      Installation Time: Less than 1 Hour

      August 27, 2015

      X303

      I am rebuilding my 302 and decided to go with the X303 cam. Since I am still puttingt he engine together I don't know how much power gain I have yet. I can't wait to fire it up and see hows he does.

      onex475

      Year: 1989 Submodel: GT killeen TX

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      November 18, 2014

      Good product

      Thanks again, I know I can count on AM. I have done business with you guys quite a bit over the years always a great experience.

      JoshET2SS

      Year: 1993 Submodel: Other Manchester, TN

      Helpful (5)

    • 4/5

      Installation Time: Weekend

      December 14, 2011

      X303 is a great value

      a good performance cam with a fairly lopey idle, even with the stock efi eecIV. makes about 15inches of vacuum at idle. may require IAC plate to help adjust idle. great sounding cam with a lot of topend power. don't forget to install new lifters with the correct length pushrods.

      Cobra2

      Year: 1994 Submodel: Cobra honolulu, hawaii

      Helpful (10)

    • 4/5

      Installation Time: Full Day

      December 07, 2011

      Pretty good for the money.

      The cam is calm and streetable until 4000 RPM and then its like a supercharger kicks in. Just wish some of the power could be harnest a bit earlier.

      Rueb

      Year: 1987 Submodel: GT KY

      Helpful (12)

    • 5/5

      March 04, 2011

      Nice but just when you have the right set up

      I have a 351w and it is a roller cam ... the only way to do is to make to swap of the flat tappet lifter to the roller lifter (need the lifter the spyder and the holder of a 302). If you are looking for this cam be sure to have a realy mod engine (more than 400 hp)

      Justin lapointe

      Year: 1995 Submodel: GT

      Helpful (15)

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