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looking to use a set 3/8 or 1/2'' small block la valve cover shims for clearance issues with my intake.

Hi guys i have 576 heads on my 340 with 2.02 not ported. I was looking to up grade to E Q cast iron magnum heads. but was also looking at aluminum heads pro comp / MOPAR PER EDELBROCK . after looking around and doing some reading it seams that as far as flow # the EQ out flow them all...

I have a set of small block mopar preformance valve covers that the holes have been punched out for the pvc and breather , i order a set of grommets and they are to big for the holes , the od is 1 1/4 and the hole in the cover is 1'' does any one know were i can get the wright grommets for...

I have two 340 blocks one had one main cap only so i got some from a a-body member . the cap on the engine was 2 1/4 '' from top to bottom ,THE SAME AS THE OTHER BLOCK . the caps that i got were only 1 7/8'' from top to bottom . The trouble is the bolts bottom out before there get tight ...

I just picked up a set of 4772576 heads that i was going to use on my 340 But now i have read so many good and some bad things that i am confused Should i use these over my j heads or not? The reason i got them was because i read that they out flow the j and x heads in stock form and the...