The HKS forged piston kit is specified for RB26 2.8L engines and supplies a complete set for a full rebuild. The listing identifies an 86.5mm bore dimension, making it applicable where that size is required. This kit is presented as a full piston set to replace factory components and support engine rebuilds that call for RB26 2.8L pistons at the specified bore.
HKS BCD PISTON FULL KIT RB26 2.8L HR HC 86.5