JE Pistons Manley H Beam Rods Integra GSR B18 B18C B18C1 11.5.1 84mm Fitment: 94-01/302412: Acura Honda / 14026-4: Acura/Integra GSR/302412: B series / 14026-4: B18C1 B18C5::Compression ratio will vary depending on your engine application and head gasket thickness.