MMR 2500r coated pistons

87Foxbody

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I've got a new set of MMR 2500r pistons that I need to get rid of that are built for a navi motor, they have been coated by MMR come with the upgraded wrist pins. Part number on the pistons is 588000-8, wrist pin part number is 42507-8. I paid $1000 new for all of this ill let it go for $700 plus the ride obo. I also have a navi block and a set of navi heads if anyone is interested.
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87Foxbody

New Member
Established Member
Joined
Feb 26, 2008
Messages
67
Location
Texarkana
In a navi motor it was going to be in the low 8s. They won't work in a 4.6 because of the compression height would put them sticking out the top of the block about .120
 

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