LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

LCA bolt size?

Old Sep 28, 2003 | 05:11 PM
  #1  
Rodrigues's Avatar
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From: Bloomfield Hills MI
LCA bolt size?

I did a search and coul not find the bolt sizes for the lower control arms. Does anyone know?
Old Sep 28, 2003 | 06:49 PM
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Rear lower control arm bolt

M12 x 1.75 x 95

GM PART # 11502603 if you want to get them from the dealer. They are high grade bolts.

GM PART # 11515744 for the nut.

GM PART # 473539 for the washer.
Old May 8, 2004 | 11:00 PM
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up for personal reference
Old May 9, 2004 | 09:31 AM
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From: Hell was full so they sent me to NJ
Spohn Performance sells an LCA bolt replacement kit for $9.95:

(4) 12mm Grade 10.9 bolts (silver zinc plated)
(4) 12mm steel lock nuts (silver zinc plated)
(8) 12mm flat washers (silver zinc plated)

http://www.spohn.net/product.cfm?productid=1408
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