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Ford Racing B303 Cam Power Up Kit (86-95 5.0L)

AmericanMuscle no longer carries the Ford Racing B303 Cam Power Up Kit (86-95 5.0L). Please check out Mustang Camshafts for an updated selection.
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  • Item #102143
  • MPN# M-9000-B303

  • Market Price $383.99
  • You Save 17% ($64.00)
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AmericanMuscle no longer carries the Ford Racing B303 Cam Power Up Kit (86-95 5.0L). Please check out Mustang Camshafts for an updated selection.

  • Street performance
  • Good replacement cam
  • Smooth idle
  • Hydraulic roller camshaft
  • Includes B303 camshaft and hydraulic roller lifters
  • Fits 1986-1995 5.0L V8 with 1.60 rockers
Street Performance. The Ford Racing B303 cam is an good replacement choice that provides a noticeable increase in low end torque and a smooth idle all while maintaining good driveability with a manual transmission. It works well with carburetors or mass air fuel injection systems.

Kit Includes. This Ford Racing Pushrod B303 Cam Power Up Kit includes a B303 Performance Camshaft and Hydraulic Roller Lifters.

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 Power Up Kit is designed for use in the 1986-1995 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 will only work on EFI engines with a mass air induction systems. Will not work with Explorer EEC-V EFI or speed density EFI systems.

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

What's in the Box
  • (1) Camshaft
  • (16) Roller Lifters
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?
  • Foxbody - 86, 87, 88, 89, 90, 91, 92, 93
  • Cobra - 93, 94, 95
  • GT - 94, 95

Fits 1986-1995 5.0L V8 Mustangs

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1 Questions / 1 Answers

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What kind of gains can you expect from this cam?


  • If you still have that V6 mustang this will not fit it. If you plan on swapping it into a v8 you can expect better top end torque and a decent idle. WITHOUT some good breathing heads, intake, and headers you won't see much. I reccomend The top end kit American muscle offers. I am currently running it and I am satisfied with the outcome. The cam alone won't do much, if I was you I would change everything at once

    Dmcj Top 50 Contributor

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