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4.1 ArizonaGN built roller short block forged billet

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What compression were you shooting for? Piston info?

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Yep the pistons are JE Forged 4.00 bore,comp height 1.850,pin dia .940,dish 24.5 cc,file fit rings .005 over 4.00, compression ratio 8:5 to 9:0..
With a 9.535" deck height,4.020" diameter .060" thick head gaskets,5.970" long connecting rod,24.5cc pistons,and 46cc combustion chambers,these pistons will have a static compression ratio of 9.02+1 256 cu in
 
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