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Main : Mechanical : Engine Head Bolts for A12

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Head Bolts for A12
Head Bolts for A12Popular
SubmitterddgonzalMore Photos from ddgonzal   Last Update2013/4/30 7:36    Tell a friendTell a friend
Hits1905  Comments2    0.00 (0 votes)0.00 (0 votes)
'13' head bolts are recommended for all engines. They are high-tensile chromoly V steel.

Note 'T' bolt for center of early A12 engine. This is a low-torque bolt. Better to use the GX '13' center bolt.

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Poster Thread
darrenwilson
Posted: 2013/5/1 17:35  Updated: 2013/5/1 17:35
Home away from home
Joined: 2009/10/13
From: Trinidad and tobago
Posts: 895
 Re: Head Bolts for A12
how strong are the 12's

Poster Thread
ddgonzal
Posted: 2013/5/1 17:58  Updated: 2013/5/1 17:58
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31575
 Re: Head Bolts for A12
Not sure. I believe the '12' bolts are good for 40-43 ft-lb.

The '13' bolts for sure are good for 51-54 ft-lb -- you will have no head gasket problems with the '13' bolts.