Bolts for 302/351 heads? - Ford Mustang Forum
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post #1 of 16 (permalink) Old 11-13-2013 Thread Starter
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Bolts for 302/351 heads?

Can I just use the arp head bolts that are for a 302 or do i have to get a special head bolt since the heads are bigger and can also work for a 351? If you could post me a link to a bolt set that'll work for my application it would be appreciated thanks.
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post #2 of 16 (permalink) Old 11-13-2013
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You could try searching to site, or you'll need to give more information on what you're trying to do. Are you putting 351 heads on a 302...?


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post #3 of 16 (permalink) Old 11-13-2013
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wait, are you wanting to use a head drilled for 1/2 head bolts on a 302? If so just get headbolt bushings to adapt the 7/16" bolts to work in the 1/2 head

http://www.summitracing.com/parts/afr-6324/overview/

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post #4 of 16 (permalink) Old 11-13-2013 Thread Starter
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They're procomp 210 heads
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post #5 of 16 (permalink) Old 11-13-2013
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Quote:
Originally Posted by Kylebach14 View Post
They're procomp 210 heads
Kinda big for a 302. What are the valve sizes? You'll probably need to fly cut the pistons.

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Crystal White 1995 GT Convertible, TFS Twisted Wedge 170's, Steeda 19 cam, Trickflow 1.7 Rollers, Tmoss ported explorer lower, PowerDyne Blower @ 7psi, AMK Racing Products Shorty Headers, Catted X-Pipe to Flow Master 40's, COBRA T-5 With MGW Short Throw 365rwhp 351rwtq
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post #6 of 16 (permalink) Old 11-13-2013
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Quote:
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Kinda big for a 302. What are the valve sizes? You'll probably need to fly cut the pistons.

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yep, way too much head for a street 302.
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post #7 of 16 (permalink) Old 11-13-2013 Thread Starter
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Well I just need to know if standard size bolts will work?
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post #8 of 16 (permalink) Old 11-14-2013
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if you're using 7/16 head bolts meant for a 302 with heads like the pro comp 210's which are drilled for 1/2 holes then you WILL have to buy the headbolt bushings that i posted in my first comment. They are 1/2 outside diameter and 7/16 inner so the 302 bolts will work.

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post #9 of 16 (permalink) Old 11-14-2013
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I had the same issue, I bought ARP headstuds and they came with the bushings that go on the heads
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post #10 of 16 (permalink) Old 11-14-2013 Thread Starter
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So I can't get the cheap arp bolt set for a 302. I have to get the adapters too? How do the adapters work?
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post #11 of 16 (permalink) Old 11-14-2013 Thread Starter
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Plus can you give me some arp part numbers? I tried looking and have no clue
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Don't remember the part #, if I find it ill post it. but there just little spacers that go in the holes of the heads so the bolts fit better

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Quote:
Originally Posted by Kylebach14 View Post
Plus can you give me some arp part numbers? I tried looking and have no clue
Did you not read my post or look at the link i sent?

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Crystal White 1995 GT Convertible, TFS Twisted Wedge 170's, Steeda 19 cam, Trickflow 1.7 Rollers, Tmoss ported explorer lower, PowerDyne Blower @ 7psi, AMK Racing Products Shorty Headers, Catted X-Pipe to Flow Master 40's, COBRA T-5 With MGW Short Throw 365rwhp 351rwtq
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Quote:
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Did you not read my post or look at the link i sent?

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Ahh guys, this dude has mentioned what you need 3 times already. They are called step washers.

TRACK ADDICT
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Pick which ones make you feel better. Easy enough.

ARP Head Stud Kit #154-4005

ARP Head Bolt Kit #154-3605

Thomas

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