This machined billet adapter bolts the back of the Predator
670 v-twin engine and allows the factory John Deere part M-81291 (Not included)
to bolt to it. This is used when repowering the John Deere 140, 300, 312, 314
and the early serial number 316 garden tractors that came with an OEM Kohler
K-series engine. Adapter includes all mounting hardware.