Are H22A1 and H22A4 head studs the same or different?

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Aug 22, 2007 | 11:14 AM

0Mike95lude

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Joined: Jul 2000

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From: Snohomish county, WA, USA

Are H22A1 and H22A4 head studs the same or different?

Does anyone know? ARP lists a head stud kit for the H22A4 in their product catalog only.

Aug 22, 2007 | 02:38 PM

lude98SH

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From: Drexel Hill, Pa, 19026

Re: Are H22A1 and H22A4 head studs the same or different? (Mike95lude)

i believe they are the same.

Aug 22, 2007 | 03:53 PM

Eddiebx

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Joined: May 2002

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arp studs are the same

oem are slightly differnt between the two, but only in the bolt head, one is 6pt and other is 12pt, thats all

Aug 22, 2007 | 03:57 PM

lude98SH

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Joined: Dec 2004

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From: Drexel Hill, Pa, 19026

Re: (Eddiebx)

yup

Aug 27, 2007 | 04:29 PM

redh22alude

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From: Sellersburg, IN., U.S.

yes they are the same have them in my motor

Aug 27, 2007 | 07:18 PM

0Mike95lude

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From: Snohomish county, WA, USA

Re: (redh22alude)

Thanks for the info.
Are the head studs something that can be reused? Or should I replace them? This is for an all-motor build.

Aug 27, 2007 | 07:39 PM

DCFIVER

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Joined: Mar 2004

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From: Looking for SloMofo....

Re: (Mike95lude)

You can reuse them. they are not torque to yield bolts. However many people feel beeter using new ones.( I have used many Honda headbolts over again with nary a problem)

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