What size rear suspension bolts? - Chevelle Tech
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post #1 of 4 (permalink) Old Mar 25th, 10, 4:54 PM Thread Starter
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What size rear suspension bolts?

Does anyone know where I can get new bolts for the rear suspension?

I like the design of the oem with flat shoulder the fits snug in the sleeve of the bushing and the tapered tip the makes pushing the bolt thru easy. I want to get the full set of 8 bolts plus the 4 bolts for the Rear sway bar.

Should I just order these new or does anyone know the sizes so I can get them at the hardware store?\

70 Monte Carlo-461,th400 3500 stall 3.73gear-Lunati cam'd

72 El camino-454, th400 stock
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post #2 of 4 (permalink) Old Mar 25th, 10, 6:19 PM
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Re: What size rear suspension bolts?

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post #3 of 4 (permalink) Old Mar 25th, 10, 6:47 PM
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Re: What size rear suspension bolts?

Control arm bolts are 1/2" x 4" grade8.

'69 SS396 -Build Thread A mishmash of American made suspension components and Australian brakes. L33 obtained, swap in planning phase.

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post #4 of 4 (permalink) Old Mar 25th, 10, 7:06 PM
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Re: What size rear suspension bolts?

Originally Posted by GenPac View Post
Control arm bolts are 1/2" x 4" grade8.
1/2" x 4" grade 8 works fine. Put a little anti-seize grease on them so they don't rust and seize up in the bushing sleeves. Original were grade 5 I believe and do have the shoulder near the head. Rest of the shaft is less than 1/2" so it won't seize up in bushing with rust.


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