[66/87chevy]

Originally Posted by THE "10" SILVERADO

Not an expert on BB but - think the 454 was the Mark IV series so these might work.

http://www.summitracing.com/parts/HOK-2463HKR/

Searched on summit under engine, then narrowed it down to a K10 since your's is a 4x4.

I think i might have figured out why the pass side won't fit. I have some bracket bolted to the frame that has a bump stop underneath, but it would never bump anything. I sbould be able to remove it an haveplenty of clearance. I'd like to know what the bracket goes to. My truck was originaly a 6.2 diesel. But it's weird because i can't see any use for this at all.
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