Manufacturers

1.6L 16v - K4M

1.6L 16v - K4M 

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1.6L 16v - K4M

The K4M page covers two versions of the same 1.6-litre 16-valve block: the naturally aspirated K4M 708 of the Renault Clio and Megane, and the turbocharged K4M 854 of the Twingo 2 RS. It is above all a valvetrain and cylinder head page: CATCAMS sport camshafts for both, adjustable cam pulleys, mechanical cam followers, valve springs and rockers, with springs by SUPERTECH or CATCAMS depending on the option. The bottom end comes down to one WÖSSNER forged piston kit, 79.5mm bore at 12.7:1. VIBRA-TECHNICS mounts target the Twingo 2 RS. The head parts are listed by the maker as shared between the K4M 708 and F4R heads.