HEad bolts

Reply Subscribe

Thread Tools

Search this Thread

Mar 6, 2008 | 03:26 PM

venezuelanmustang

Thread Starter

Joined: Oct 2006

Posts: 34

HEad bolts

I need to know what size the head bolts on a 1989 5.0 are?

thanks

Mar 6, 2008 | 03:37 PM

stang8689

6th Gear Member

Joined: Jan 2007

Posts: 5,464

From: Milford, Delaware

RE: HEad bolts

7/16 for stock heads but most aftermarket are 1/2" then you get the ARP biolts with washers

Mar 6, 2008 | 05:06 PM

5spd GT

3rd Gear Member

Joined: Sep 2007

Posts: 798

From:

RE: HEad bolts

Head bolt holes are 1/2" on most aftermarket heads.

The threads are 7/16".

I have had no issues not using the washers.

ARP-3601 are some good cheap head bolts that are reuseable.

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

4 Valve Head questions

GimpyHSHS

4.6L (1996-2004 Modular) Mustang

Dec 19, 2023 01:12 PM

S197 Parts

baddog671

Archive - Parts For Sale

Jul 26, 2016 01:20 PM

351c heads

mustangheaven

Motor Swap Section

Jan 3, 2016 11:20 AM

extnesion for radio antenna to head unit

kevsgt

2005-2014 Mustangs

Oct 9, 2015 10:12 PM

cost to rebuild heads

Drastang

4.6L (1996-2004 Modular) Mustang

Sep 30, 2015 03:48 AM