360 stroker, cylinder wall thickness

Could always sleeve that bore if it worries you.

Unless you're talking wet sleeves (darton) that won't make the walls any thicker; just replaces the original casting with sleeve material

Cylinder Sleeves > Home

"Sleeves are available in 3/32” and 1/8” wall for bore diameters up to 5-1/8”. Bore diameters larger than 5-1/8” are stocked only with 1/8” wall thickness. Melling Cylinder Sleeves also offers 1/16” and 2mm wall thickness’ for limited applications."