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or 87.5mm - bore and hone specifically for piston-wall clearance with new pistons. The stock liners have enough material to get back into round and accomodate these.

We have 3 sets w/ ample intake valve relief for our most aggressive cams. 12.2:1 with a 99mm stroke in a K24A.

-Ron
 

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Nick, check to see if your cylinders are out of round. You will need at least a hone to ensure good ring seal.

Measure before and after honing per Darius' instructions to determine if you have proper piston-wall clearance.

CP is one of the few piston makers where you can actually bore your block to size without having the actual piston. Their clearances are built into the piston and precision manufactured to strict tolerances.

-Ron
 
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