hi is the lower head back part V3 same as the V5 ? thank you

hi averyone i am a newbie in 3d printing .i am a little confuse about all parts for the inmoov .if i bin correct the old version head piston only one and the newer have 3 piston .is this correct? i see in the assemble the old version .is there a assembly for the new version? thanks anyone .

hi ,i see on he download page only one part for claviback right side.do you have to mirror the part to get the left side? thank you