6PCS Engine Pistons Rings Φ88mm For M276 W205 W212 X166 E400 M276 3.0T 2760300700 2760306517 Engine piston rings set with a cylinder bore of Φ88mm designed for use with the M276 3.0T engine.This set includes 6 pieces, matching the configuration required for compatible engine rebuilds.The pistons feature a pin bolt diameter of Φ22mm and a pin bolt length of 50mm, engineered to align with the structural requirements of the M276 platform.Ring thickness is distributed across three layers: 1.2mm for the first ring, 1.5mm for the second ring, and 2.0mm for the third ring, supporting effective sealing between the piston and cylinder wall.Constructed from aluminum, the pistons are built to endure performance demands while maintaining functional efficiency.The design supports reduced oil consumption and minimizes blow-by through optimized ring fit and compression.Compatible with vehicle models associated with chassis codes W205, W212, X166, and other variants equipped with the M276 3.0T engine.Meets specifications for dimensional accuracy and operational.Suitable for engine overhauls requiring precise component matching.