1.6L 16v - MR16DDT
Manufacturers
1.6L 16v - MR16DDT

Forged pistons 1.6 16v MR16DDT / Renault M5M O79.7 80, Pin 22, CH 35.60/35.35, Compression ratio 9.5:1. Table, vehicle compatibilities and references Pistons OEM.
Reinforced head gasket Cometic for1.6 16V M5M 400 engine,M5M 401, M5M 450:RENAULT Clio 4 RS 2013 - (M5M 400 / 401 / 450)RENAULT Clio 4 RS Trophy 2015 - (M5M 401)RENAULT Megane 4 1.6 Tce 2015 - (M5M 450)
The MR16DDT is Nissan's 1.6L 16v direct-injection turbo four, also coded M5M as it was co-developed with Renault. This page gathers the internal parts available for that block.
Two references are listed today: a WISECO forged piston kit in 79.7mm, 79.8mm and 80mm bore at a 9.5:1 compression ratio, and a COMETIC MLX reinforced head gasket with an 81.0mm ring, offered in 0.71mm, 1.02mm and 1.37mm thicknesses to match the boost pressure you are targeting.