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Ford Performance B303 Performance Camshaft (85-95 5.0L)

Market Price $221.99 You Save 12% ($26.00)
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  • Item 24068
  • MPN# M-6250-B303

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    Features, Video & Details

    • Street Performance
    • Excellent Replacement Cam
    • 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 excellent replacement choice for good low-end torque, a significant increase in top-end power above 4,000 RPM, and a fair Idle.

    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. This Ford Racing B303 Performance Camshaft requires upgraded valve springs for proper operation. Valve spring requirements: 120 lbs valve seat pressure minimum 295 lbs open. For stock cylinder head applications, the use of Ford Racing M-6513-A50 valve springs installed at 1.820" are recommended. For use with aftermarket cylinder heads, Ford Racing M-6513-BH valve springs are recommended.

    Application. The Ford Racing B303 Performance Camshaft is designed for use in the 1985-1995 5.0L V8 Mustangs with a roller cam block and 1.60 rockers.

    Technical Notes. Ford Racing recommends the use of a Hi-Stall torque converter for Mustangs equipped with automatic transmissions. 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

    What's in the Box
    • (1) Camshaft
    Installation Info
    Tech Specs
    Ford Racing Data Sheet
    Part Number: M-6250-B303 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: 284° 284°
    Duration @ .050" Lift: 224° 224°
    Valve Lift: 0.480 0.480
    Lobe Lift: 0.300 0.300

    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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    22 Questions / 7 Answers

    Ask a Question

    What's the correct pushrods Length for this B303 application. I have a stock bottom end with gt40heads intake, new comp cam springs and valve seals, edelbrock 1.6 rockers ?

    OmarM

    • The Ford Performance B303 Performance Camshaft will allow for the stock pushrod length to properly fit. The GT40 Heads will also accept the stock length. If you would like to upgrade your pushrods, we would recommend the Ford Performance brand which I have provided the link for you. https://www.americanmuscle.com/ford-pushrod-8595.html

      AMCoalSVT

    Helpful (1)

    b303 w/ speed density I own a 87 Gt Convertible with speed density. is this cam working or I need to swap to MAF? Someone says it has hunting idle problems and drivability issues....thanks

    Pangolo

    • You def need a MAF or you will be stalling like there is no tommorow

      Dmcj

    Helpful (1)

    What comes with this B303 cam? Do i have to purchase the 1.60 rockers seperate?

    JesseFields

    • Correct, rockers are not included with this B303 cam.

      LisaS

    Show 2 more answers Helpful (1)

    Hey A.M. I have a 94 gt. The pushrod Windsor 5.0. OK so got all the bolt on's ect. Besides the 1.60 rockers do I need to make other adjustment's on my engine? MAF? Compatible with stock cylinder heads?

    JoshH

    will the b303 or the e303 camshaft work in a 1986 mustang gt 302 ho with flat top pistons

    lee

    • Both the Ford Performance B303 Performance Camshaft and Ford Performance E303 Performance Camshaft will require measuring piston to valve clearance on 86 5.0L H.O. Motors. Due to loose production tolerances we have seen these clear, or interfere from car to car.

      Rob D

    Helpful (0)

    If I’m going to put this cam in my car do I need to get it tuned or will the bama chip make everything run smooth?

    MarionS

    • The Ford Performance B303 Performance Camshaft can be used with a Bama chip tune!

      AMJEFF

    Helpful (0)

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    Customer Reviews (24) Write a Review

    Overall Rating 5.0

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:$250-$500

    • Performance Gain 4.578948 4.6
    • Fit 4.842105 4.8



    • 5/5

      Installation Time: Afternoon

      May 12, 2018

      B-Cam

      Just got done break in, good power range with my set up has a nice chop to it too

      Shane

      Year: 1988 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Weekend

      April 12, 2018

      Great bang for your buck

      This cam install was pretty straightforward and went pretty smooth. I paired this cam with a set of heads as well. Granted it does take the computer awhile to adjust its self without a tune I did bump the timing up 2 degrees and installed a Wideband just for safety. If you’re debating whether or not you should by this cam stop! This is a must have for any fox. Thank you American Muscle for always putting out great products.

      PeytonR

      Year: 1990 Submodel: LX

      Helpful (2)

    • 5/5

      Installation Time: Afternoon

      April 03, 2018

      B303 Camshaft

      After hearing one of my friends car with this cam I had to have it for mine. Now this thing sounds like a monster. I love it.

      DavidM

      Year: 1990 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Full Day

      October 05, 2017

      Great Upgrade

      Cam gave my 1995 Mustang an increase in horse power. Love the throttle response I now have

      RalphC

      Year: 1995 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      July 05, 2017

      Beautiful

      Got this to replace my old cam, came fast and is of great quality. Can't wait to install it to hear it.

      CecilH

      Year: 1988 Submodel: LX

      Helpful (3)

    • 5/5

      Installation Time: Afternoon

      April 24, 2017

      B303

      The Ford Performance B303 was a great upgrade for my gt40p 302 build, it really gave it nice low end torque and choppy idle everyone loves.

      MichaelF

      Year: 1989 Submodel: LX

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      April 19, 2017

      Great cam

      Have used it before in other builds,great pulling power,sounds good at idle...

      SteveW

      Year: 1987 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      March 02, 2017

      Awesom

      The cam looks great and soundsee great. American muscle thank you soo much for valuing your customers. Can't wait to finish my car

      JavierV

      Year: 1990 Submodel: GT

      Helpful (3)

    • 5/5

      September 05, 2016

      Great cam!!

      Love the sound you get from this cam!! And for the price, you can't beat it. Also, you're getting genuine Ford quality parts. This is the 3rd b303 cam I've had in a mustang.

      Dragonztail129

      Year: 1995 Submodel: GT

      Helpful (3)

    • 5/5

      August 21, 2016

      I love it

      This cam was a bit of a pain to install. But the end result is a nasty lope, a few horses, and better throttle response. The fox breaks more necks than ever.

      Bulletproof

      Year: 1991 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Weekend

      October 23, 2015

      Great loping cam good for beginning setups

      I paired this cam with a pair of GT40P port and polished heads with 1.7 roller rockers and a tune from Bama. Wow the cam really brings the power from 1500 to 6000 rpms and has a nasty lope at idle. Very happy with the quality of the product.

      95thelast

      Year: 1995 Submodel: GT Chico, CA

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      August 28, 2015

      Great Sound!

      This cam has a Great Sound! I have put this cam in several cars and always Satisfied.

      Bigdaddyp

      Year: 1983 Submodel: Other King, NC

      Helpful (4)

    • 4/5

      Installation Time: Full Day

      August 27, 2015

      1993 gt 5.0

      I debated between the b303 and the e303 and I'm completely happy with the b303. Best sound with the best power for the best price. Could not be happier

      Foxbody

      Year: 1993 Submodel: GT Rockford Ohio

      Helpful (3)

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $250-$500

      August 27, 2015

      B303 Ford Racing Cam

      Very nice for street cam, with 24 lb injectors and Mass Air, is a great performer. Idle is bumpy but still smooth but definitely not OEM smooth. Sound nice also from 2800 - 5500 RPM. I definitely made right decision to install it. . Bob N

      Bob

      Year: 1990 Revere, MA

      Helpful (4)

    • 5/5

      Installation Time: Full Day

      December 18, 2014

      Fast shipping

      American muscle shipped it fast as always. Great product!!

      JMunson

      Year: 1995 Submodel: GT Metamora, MI 48455, USA

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      August 26, 2014

      Very Lumpy

      This cam is great for street rods. It has a very lumpy idle and a great overall sound. It also has a nice performance gain. I would definitely recommend this cam. It is 10x better than a stock cam.

      Col3W3st

      Year: 1990 Submodel: Other Monteagle, TN, USA

      Helpful (5)

    • 5/5

      Installation Time: Less than 1 Hour

      April 25, 2013

      Great Cam, can't go wrong with Ford Racing

      The cam itself didn't take all that long because the engine was on a stand getting rebuilt. If it was done in the car i would think it would take significantly longer. The fit was good and it has a great idle and power band.

      RoscoPcoaltrain

      Year: 1992 Submodel: GT New Hampshire, USA

      Helpful (6)

    • 5/5

      Installation Time: Afternoon

      March 25, 2013

      b303 camshaft

      The cam went in very easily. Sounds awesome. Sounds very CHOPPY. Gets alot of compliments from others on the way it sounds. Great cam for power increase on a stock 5.0.

      HangmanRacing

      Year: 1990 Submodel: GT Virginia Beach , Virginia

      Helpful (5)

    • 5/5

      Installation Time: Less than 1 Hour

      March 23, 2013

      Great cam for my build!

      Love the idle that this cam has! Gives the engine that classic old school sound and still has great driveability!

      CaptAmerica

      Year: 1990 Submodel: GT

      Helpful (5)

    • 5/5

      Installation Time: Afternoon

      March 22, 2013

      B303 is the best inexpensive cam for stock bottom end!

      I build ford engines for a living and I personally think the FRPP B303 SBF camshaft is the best bang for the buck, performance improvement is my favorite for the stock 87-95 Mustang 5.0 pistons.

      beaststang460

      Year: 1979 Submodel: Other West Palm Beach, FL, USA

      Helpful (8)

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