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High Performance Series Head Bolt Kit; Hex (79-95 5.0L)

Item 18228
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      Product Information

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


      • Upgraded Hardware
      • Hex Head Design
      • Made from 8740 Chromoly Steel
      • Black Oxide Finish
      • Rated at 170,000 psi
      • Made in the USA
      • Fits 1979-1995 5.0L V8 Mustangs


      Performance Upgrade. Securely mount your Mustangs cylinder heads by replacing that old weak factory hardware with high strength ARP Fasteners. ARP Fasteners are ideal for high performance street and track Mustangs.

      Premium Quality. Made in the USA from 8740 chromoly steel with a black oxide finish to resist corrosion, these ARP High-Performance Series Cylinder Head Bolts are hardened to a tensile strength of 170,000 psi (15 percent stronger than Grade 8 fasteners) to provide superior strength for long-lasting performance. This kit includes head bolts and hardened steel parallel-ground washers.

      Application. This ARP hex Head Bolt Kit is designed for use on 1979 to 1995 Ford Mustang equipped with the 5.0L small block engine, including the LX 5.0, GT and SVT Cobra models. Will not Fit 351 Windsor.

      Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 Details

      MPN# 154-3601

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (23)

      Write a Review

      Ratings Summary

      5.0 out of 5 overall rating from 23 customers

      • March 28, 2020

        5 1989 GT - BoostedFox

        Head Bolts

        These head Bolts are great quality ive used them on every 5.0 motor I’ve built. They seem to handle boost well around 18psi and they were great and NA even better hold up very well worth the money!

        Helpful (0)
      • October 19, 2019

        5 1990 GT - JesseB

        ARP head bolts

        Got these in the mail, very nice quality with packaging, shipping and the bolts are quality. Love American muscle and their products

        Helpful (0)
      • March 30, 2018

        5 1990 LX - Bret3

        ARP Head Bolts

        ARP makes the best Hi-Po bolts, i trust them in my engines.

        Helpful (6)
      • November 27, 2017

        5 1986 Other - JacobH

        Great product

        Comes with everything needed including sealant/lube for the threads. Bolts threaded nicely and torqued down with ease.

        Helpful (6)
      • November 22, 2017

        4 1984 Other - SamuelH

        ARP head bolts

        It would of helped and save time if the ARP thread sealer would have came with it.

        Helpful (6)
      • November 05, 2017

        5 1988 LX - MarlonP

        arp head bolt kit

        cant forget to replace ur head bolts anytime u pull/change a head. ARP only way to go

        Helpful (7)
      • September 21, 2017

        5 1995 GT - Steve

        Sep good stuff

        Better than stock for high power build american muscle delivered in 2 days!

        Helpful (7)
      • September 05, 2017

        5 1988 GT - ZacKlock

        ARP is the best hands down

        Will never choose anything different. ARP is the best for any kind of build.

        Helpful (7)
      • June 21, 2016

        5 1994 Cobra - AMCoalK

        Peace of Mind!

        Peace of mind knowing you have awesome quality head studs. Went in easily and had no issues.

        Helpful (8)
      • March 11, 2016

        5 1987 GT - Glassarmor

        Helpful bolts

        Everyone that gets these bolt it changes the game. You get better hold down on the heads and you can completely count on these! If your rebuilding any engine this is the only way to go! Get you some of these!

        Helpful (7)

      Questions & Answers (6 answers)

      5 Top Rated Questions

      Will these bolts work with GT40P heads?

      • Yes

      Helpful (1)

      Is this kit for both heads? Do i need to order anything else besides the head bolts?

      • The ARP High Performance Series Head Bolt Kit will contain the hardware for both cylinder heads.

      Helpful (0)

      Will these work on Trick Flow Twisted Wedge 170 ?

      • Unfortunately we have not tested the ARP High Performance Series Head Bolt Kit on the Trick Flow Twisted Wedge 170. Since we have not I will not be able to guarantee perfect fitment. I personally do not see why they will not be compatible with that setup.

      Helpful (0)

      Are these compatible with Trick Flow Twisted Wedge 170 heads?

      • Unless otherwise stated by the Manufacturer of the Heads, these bolts are sufficient for the installation. A quality set of studs is also an option and highly recommended.

      Helpful (0) Show 1 more answer

      Are these TTY bolts? Can they be re-used?

      • Some later 5.0's had tty bolts, these are not. Just follow arp's procedure and specs and they can be reused.

      Helpful (0)
      Post Your Question
      1 More Question
      GT40X Heads Will this head bolt kit work with GT40X heads? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (20) Bolts
      • (20) Washers

      Tech Specs

      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 - 79, 80, 81, 82, 83, 84, 85, 86

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