The Wiseco custom single piston for the BMW M52B28 is sold individually and specified at 3.307 x 1.294 in with a -9.38cc dish, producing a nominal 9.5:1 compression. Provided as a custom replacement option, this piston is matched to the M52B28's sizing and chamber volume needs for individual engine builds or part replacement where single-piston procurement is required.
Wiseco Custom Piston BMW M52B28 3.307 x 1.294in CH -9.38cc 9.5:1 (Sold Individually)