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Comp Cams Stage 5 Xtreme Energy XE278AH Camshafts (96-04 GT)

Market Price $678.49 You Save 13% ($88.50)

$589.99 (pair)

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  • Item 30160
  • MPN# 102700

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Features & Details

  • Street and Strip
  • More Horsepower and Torque
  • Rough Idle
  • Custom Tuning Required
  • For 1996-2004 GT and Bullitt Mustangs
Street and Strip. If you're looking to get even more power out of your SOHC 4.6L without stepping up to a forced induction set up, then consider a set of Comp Cams XE278AH Camshafts. They will give you great mid to high range power gains in both horsepower and torque making them ideal for street and strip.

Rough Idle. If you love the sound of a rough idle, you won't be disappointed by this cam. Like the muscle cars of yesteryear, this cam yields a sound that will make lesser cars clear a path out of your way at lights.

Adjustable Cam Gears. Maximize the power from your new camshafts with a set of Adjustable Cam Gears, which will allow you the ability to fine tune your camshaft timing - a critical necessity when doing mods that can change your camshaft-to-crankshaft centerline position. Please see drop down option above.

Application. This SOHC Camshaft is designed for 1996-2004 4.6L two valve V8 Mustangs with 3.73 or steeper rear gears and a 2400 plus stall speed converter on automatic transmissions. Intake, exhaust, custom tuning and valve spring upgrades are required.

Technical Note: Comp Cams are designed for modified cars that include upgraded valve springs for clearance related issues. It is recommended to use COMP Cams® 26113 Valve Springs for proper fitment, see drop down option above. Combine the valve springs with a new set of valve spring steel retainers to handle the higher pressures developed by the springs.

Fitment: 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (2) Camshafts
Installation Info
Tech Specs
Comp Cam Data Sheet
Part Number: 102700 Grind Number: XE278AH
Lifter Type: None - OHC Engine Type: FORD 4.6 and 5.4 SOHC MODULAR 2-V (1992-Present)
RPM Range: 2200 to 6200 Valve Timing : 0.05
Lobe-Center Angle 113 Intake Center Line: 109

  Intake Exhaust
Valve Lash: Hyd. Hyd.
Duration: 278 282
Duration @ .050" Lift: 242 246
Valve Lift: 0.55 0.55
Lobe Lift: 0.3 0.3

Valve Timing @ 0.05" Lift: Open Close
Intake: 12 BTDC 50 ABDC
Exhaust: 60 BBDC 6 ATDC
Will it fit my Mustang?
  • Bullitt - 01
  • GT - 96, 97, 98, 99, 00, 01, 02, 03, 04

Fits 1996-2004 4.6L Two Valve Mustangs Only

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8 Questions / 6 Answers

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what will give more hp with these cams i have cold ind off road exshaust,i thank rear gear was changed,thinking turbocharger.changing to aluminum heads


  • If you already have a cold air intake i would say find some ported ford racing heads 4.10 gears in the rear and forged pistons crank and after market oil pan that can hold more oil before turo or supercharger that way you can make more horsepower and your motor will be less likely to go BOOM!


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nitrous Can this cam work with nitrous?


  • Yes they do work with nitrous while being able to be street driven. But if you are looking for max performance and no street driving get a nitrous only cam.


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Clearance problems? I have am using factory rotating asembly in my 99 GT, and i was wandering if i would have clearance issues with my pistons touching the valves if i used this cam. Would i need to get a set of sloted pistons to run this cam?


  • Require comp certain valve springs for clearance purposes. See item application description.


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can I but a stage5 cam in 1998 4.6 liter without having clearance problems I have a bbk75mm,bbk cai,sr intake,long headers bbk fuel pump,and 410 gears is this the biggest cam I am lacking top end power big time


  • The Comp Cams Stage 5 Xtreme Energy XE278AH Camshaft is one of the biggest cam that can be used, however, you will always want to check piston-to-valve clearance when working with valve-train components.


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Question Resolved

what accessories work well with these


  • This SOHC Camshaft is designed for 1996-2004 4.6L two valve V8 Mustangs with 3.73 or steeper rear gears and a 2400 plus stall speed converter on automatic transmissions. Intake, exhaust, custom tuning and valve spring upgrades are required.


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Question Resolved



  • With all camshafts, we do recommend measuring piston to valve clearances due to different tolerances in engines. The camshaft specification change slightly: The stage 5 specs are: Duration: 278(intake),282(exhaust) Duration @ .050" Lift: 242(intake),246(exhaust) Valve Lift: 0.55(intake), 0.55(exhaust) Lobe Lift: 0.3(intake),0.3(exhaust) The stage 4 specs are: Duration: 274(intake), 278(exhaust) Duration @ .050" Lift: 236(intake), 240(exhaust) Valve Lift: 0.5(intake), 0.5(exhaust) Lobe Lift: 0.274(intake),0.274(exhaust) There is also some differences in valve timing as well.


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Customer Reviews (1) Write a Review

Overall Rating 5.0

out of 5 stars

Installation Time:Afternoon

  • Performance Gain 5 5
  • Fit 5 5

  • 5/5

    Installation Time: Afternoon

    March 20, 2016

    Real power

    If your looking for real power and a good sound then this is your camshaft. I thought I had to do a lot of upgrade to run it nope but I do suggest if you have full Bolton's or are going full Bolton's I highly recommend this cam .


    Year: 2000 Submodel: GT

    Helpful (1) (0)

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