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thanks guys. yeah i already have the motor. i'm going to pull it this winter to fix a rearmain leak. the motor is zero deck(.005 below) stock crank and rods with kb162. being zero deck already does that have a negative effect on the stroke. i will call 440 source later. i'm looking for some insight/ experience outside of a supplier. would like to use the same block, intake and heads cut to already. only one season on it so bore clean up should be easy.



Well is it zero deck or .005 in the hole ? That KB piston , which sucks , is .024 in the hole on a factory spec block so you either have .019 cut off the block or .024, Which is it ? You should be able to use a shelf stock piston for that build and be ok with what you have depending on the head choice .