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

Item 30152
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$89.99 (set of 16)

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Dual Spring Design
      • Superior Quality
      • Set of 16 Springs
      • Fits 1985-1995 5.0L and 5.8L V8 Mustangs

      Description

      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

      MPN# 987-16

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.2

      Customer Reviews (4)

      Write a Review

      Ratings Summary

      4.2 out of 5 overall rating from 4 customers

      Installation Time: Afternoon





      • July 12, 2016

        3 1995 GT - Lee

        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.

        Helpful (20)
      • March 07, 2016

        4 1988 GT - 88GTFoxbody Installation Time: Afternoon

        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!

        Helpful (12)
      • March 22, 2013

        5 1989 Other - NastyNotch Installation Time: Afternoon

        Great for the Money

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

        Helpful (13)
      • November 09, 2012

        5 1995 GT - Jmil918 Installation Time: Afternoon

        High Quailty

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

        Helpful (12)

      Questions & Answers (29 answers)

      5 Top Rated Questions

      Will these work with gt40 heads not p heads

      • These springs will require milling for use on GT40P heads.

      Helpful (5)

      Will this springs work with my xe266hr cam,1.7rr, gt40 heads, and stock lifters.

      • These springs will work but may require some milling.

      Helpful (1)

      Will These work with stock retainers and keepers ?

      • We do recommend new steel retainers. Otherwise, you will not need any additional parts.

      Helpful (1)

      This is for my 1989 And i was wondering Is this all i need for installation? Or do i need to purchase valve spring retainers and valve springs locks? Or can i use the stock retainers and locks?

      • We recommend new steel retainers with these springs, other than that, you should be good to go.

      Helpful (1)

      Will these work on stock heads without milling

      • Some milling of the heads is required for installation.

      Helpful (1)
      10 More Questions
      these double springs do not affect the camshaft of the Mustang gt 95? in some future I will put a street camshaft as an e303 1 answer
      Will these work with b303 cam and gt40x heads? Also converting to stud mount 1.6 rockers 1 answer
      Hello i have a 88 GT all stock. Im putting the b303 cam, how much would have to be milled off stock heads for springs, and can i use my stock vavle retainers? Thanks 1 answer
      Will I need to mill my GT40P heads in order to make these fit right? 1 answer
      I have stock heads , just brought rockers and a e303 cam . What valve springs will I need ? Thanks in advance! 1 answer
      So I'm going to install these springs on some gt40p heads and I was wondering how much do I need to cut to make these springs work? 0 answer
      What is the max lift for these springs? 1 answer
      I have iron 58cc world products Windsor Jr heads and am going run a xe270hr cam with 1.6 rockers. Will these springs work with no machining? What retainers and locks will I need? 0 answer
      What's the spring pressure and max lift for these springs? Will these work for an X303 Cam or are they not enough to handle the lift (.542")? 0 answer
      Will milling be required for 185 afr heads? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (16) Valve Springs

      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

      • Cobra - 93, 94, 95
      • Cobra R - 93, 95
      • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95
      • LX - 87, 88, 89, 90, 91, 92, 93
      • Other - 85, 86

      Fits 5.0L and 5.8L V8 Mustangs

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