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Comp Cams Valve Springs - 16 (85-95 5.0L, 5.8L)

Market Price $102.99 You Save 13% ($13.00)
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$89.99 (set of 16)

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  • Item 30152
  • MPN# 987-16

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    Features & Details

    • Dual Spring Design
    • Superior Quality
    • Set of 16 Springs
    • Fits 1985-1995 5.0L and 5.8L V8 Mustangs
    Make More Power. To get the most power from your new camshaft, you need to add the correct high performance valve springs. These Comp Cams Springs feature a unique dual spring design that can easily handle the increased lift found in extreme stress applications.

    Reliable and Durable. If you want to upgrade your Mustang to a hot cam but are concerned about long term reliability, Comp Cam's Springs are the perfect addition to your Pony. These unique springs will keep your upgraded valvetrain in line, while delivering the power you want.

    Application. These Comp Cams Valve Springs are designed for 1985 to 1995 Mustangs with either the 5.0L or 5.8L pushrod V8 engines and are sold as a set of 16 springs. Some milling of the heads is required for installation.

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

    What's in the Box
    • (16) Valve Springs
    Installation Info
    Tech Specs
    • Fits 1985-1995 5.0L and 5.8L V8 Mustangs
    • Sold as a set of 16 springs
    • OD Outer Spring: 1.430"
    • ID Outer Spring: 1.070"
    • ID Inner Spring: 0.697"
    • Seat Load: 121 @ 1.800
    • Open Load: 343 @ 1.200
    • Coil Bind: 1.150"
    • Spring Rate: 370 lbs/in
    Will it fit my Mustang?

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    15 Questions / 16 Answers

    Ask a Question

    I have stock heads , just brought rockers and a e303 cam . What valve springs will I need ? Thanks in advance!


    • These Comp Cams Valve Springs will work very well with an E303 and stock heads.

      Rob D

    Helpful (1)

    I am working on a 90 5.0,gt40 heads,f303, will these springs work ok, an was going to use roller rockers. Any help would be great.


    • Yes, these springs would work well with that setup on your Mustang.


    Helpful (0)

    Gt40 heads with 1.7 rollers, e303 cam and Ford racing high performance roller lifters. Will these work? I understand the milling will need to be done to the heads


    • These springs will work the GT40 heads, though some milling may be required.


    Helpful (0)

    What spring retainers should I use with these valve springs and 1.6 roller rockers


    • With these valve springs, we would recommend using these comp cams spring retainers


    Helpful (0)

    What rpm are these springs good for before they start floating? Assuming you're using the stock valve train parts.


    • The Comp Cams Valve Springs would float at different RPM's with different lift cams. We would need more information to answer this question fully. Please feel free to call or chat in if you have any other questions or concerns.

      Pat K

    Helpful (0)

    Will theses springs work on stock auto 95 mustang 5.0 head with e303 cam with stock rocker or should I up grade


    • These springs will be able to work with the stock automatic 1995 5.0L Mustang GT with the E303 cams and the stock rockers.


    Helpful (0)

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    Customer Reviews (4) Write a Review

    Overall Rating 4.2

    out of 5 stars

    Installation Time:Afternoon

    • Performance Gain 4.666667 4.7
    • Fit 4.666667 4.7

    • 3/5

      July 12, 2016

      Stock heads have to be milled

      I didn't notice the advise to mill the stock heads so the inside spring had clearance which resulted in 16 bent pushrods, one broken rocker and a couple broken springs during the motor break in. My own fault but make sure to note the possible need for machine work.


      Year: 1995 Submodel: GT

      Helpful (5)

    • 4/5

      Installation Time: Afternoon

      March 07, 2016

      Nice Springs

      Having my heads ported, a valve job done, and the valve seats refinished. Going to install these springs with 1.6 roller rockers. Will upload photos when completed!


      Year: 1988 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      March 22, 2013

      Great for the Money

      Purchased these for my supercharged notch. Showed up in the mail two days after ordering. Thanks AM.


      Year: 1989 Submodel: Other

      Helpful (4)

    • 5/5

      Installation Time: Afternoon

      November 09, 2012

      High Quailty

      Great product and a must have for an after market cam.


      Year: 1995 Submodel: GT Wichita, Ks

      Helpful (5)

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