YCP B20 84.5mm Oversize HhComp Pistons - Temco

piston88B20 84.5mm Oversize Hh Compression Pistons and Hastings Racing Rings Genuine YCP Pistons 84.5mm Oversize This Kit Contains:YCP 84.5mm Bore Oversize Hh CompressionI'm putting my 86 ATC 250R back together and have both an 86 and 88 cylinder. All things being equal, is one better than the other? I can see minor differences between them.