Puch and Tomos 38mm x 2mm Piston Rings 6789 Replaces your stock intake with

Replaces your stock intake with an aftermarket one to allow the installation of the included Dellorto 21 PHBG carburetor

Kenji exhaust for Peugeot 103/TSM/TSA

Will work great for mild stock setups all the way up to the hottest blasters built

A really good start if you plan to compete in a 50cc class on a Derbi

Nice kickstart M1 for your custom project or replacing a junk engine

Puch and Tomos 38mm x 2mm Piston Rings 6789 Replaces your stock intake with38mm x 2mm FG piston rings for Puch and Tomos A3 or whatever needs this size ring. Puch supplied a number of different pistons over the years so be sure to measure your originals.