454 mark 4 block
#2
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Got a fresh out of the shop 30 over 2 bolt that has been changed to a 4 bolt splayed main bearing block,with caps. Their stronger than a stock 4 bolt. Thanks JOHN
#3
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I have two Mark IV tall decks.
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www.diamondperformanceparts.com
[email protected]
http://www.facebook.com/pages/Diamon...07878772615803
302-521-0123
The Best Parts & Service At The Best Price