This Rail Kit is designed for your Arctic-Cat snowmobile equiped with a 128/129 Slide Action rear suspension. This covers the ZR Lineup in all trim packages EXCEPT the ZR RR. This fits models with the 3000, 6000, 7000, 8000, and 9000 engine packages.Our 128 rail kit is designed to be a drop in stock replacement rail kit utilizing all stock suspension parts and rear axle/wheels. Our 137 Rail kit for these sleds is designed to stretch the 128 to a 137 track using all of the stock suspension components. When stretching the sled it can be done without a tunnel extension but we do recommend installing one for proper engine cooling. Rails are machined from 7000 Series aluminum for maximum strength. IceAge rails feature larger ribs for increased strength.
** Stock Idler wheel blocks require slight filing to fit over the larger rib on Ice Age rails or you can purchase Ice Age specific wheel blocks in our online store.
Kit includes 2 rail beams.
2 sticks of hyfax
Hardware Kit (new tips bump stops and fasteners)
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