Intake Bolts -
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post #1 of 5 Old 04-02-2009, 06:07 PM Thread Starter
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2012 JK Wrangler 
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Intake Bolts

What type of bolts such be used to replace the intake/exhaust bolts? Also should the factory washers/spacers be reused or replaced. If replaced, what did you guys use?


'85 CJ7, 258, T-5, Dana 300 T/C, 4" BDS lift, 4.10's, Dana 30 w/ Detroit Truetrac, AMC 20 open w/ 1pc Moser axles, Borla header, JB Fab twinstick, Smittybilt XRC8, Maxbilt console.....
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post #2 of 5 Old 04-03-2009, 10:44 AM
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Bump. I am having the same problem finding the washers that clamp both the exhaust and intake manifolds to the head.

1978 Jeep Cj7 Soa, Shackle Reversle, 36x13.5x15 Irocks, 4.5 Stroker MPI, Dana 300 twin Sticked, 4.88's
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post #3 of 5 Old 04-03-2009, 11:00 AM
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You must special order them from a parts house. Had to get mine from napa

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post #4 of 5 Old 04-03-2009, 11:56 AM
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You can also purchase the heavy washer from McMaster-Carr in stainless steel to replace the cup type from the factory. They are generally called fixturing washers and are 1" O.D. x 13/32" I.D. x 3/16" thick for 3/8 bolts. McMaster-Carr P/N is 98125A031.

These are an excellent replacement washer as they are large diameter and in "thick" stainless for about $8.00 for a 10 pack. I use them on my 258 engine.

1984 CJ-7 Renegade
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post #5 of 5 Old 04-03-2009, 01:55 PM
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What is the size, length, and thread pitch of the manifold bolts? Also how many would you need to replace all of them? I am planning to replace mine along with a new intake.
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