Mahle Power Pack pistons NEW IN BOX
http://www.flatlanderracing.com/mahle-ppakchevy01.html
the part number of the set I have is SBC250030F05

specs are:
4.030" bore
for 3.48"/3.50" stroke with 6" rod
5cc valve reliefs
.927" pin diameter
1.250" compression height
429 grams.
also come with mahle's piston rings

I don't know where they get their compression ratio figures at but I'll throw out a few estimates:
on a non-decked block with .026" thick mr gasket head gaskets and 54cc head c/r is 11.44:1.
fel pro .039" thick gaskets drops the c/r to 11.05:1
.026" gaskets w/ 58 cc head is 10.87:1
.039" gaskets w/ 58 cc head is 10.52:1

Reason I am selling is because my plans have changed. I wish to build a low compression engine for future forced induction. with that said I am asking $475 shipped, obo. if you have a set of pistons that meet the same specifications as these with the exception of piston dish, I am eyeing up 22cc dish diamond pistons but anything in the 16cc-25cc dish range would work, and you are willing to trade we could work something out.

best bet to get in contact with me is to email me at zigroid1985@hotmail.com or PM me.

thank you!

 

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