NGK BPR5ES Spark Plug For All Honda Walk Behind Lawnmowers / Most Ride On Tractor Lawnmowers.
Honda Ride On lawnmowers require x2 plugs.
FITS:
ALL HRB / HRD / HRG / HRX Walk behind Honda Lawnmowers.
ALL HF2315 / HF2317 / HF2417 / HF2620 Ride On Honda Lawnmowers. (Requires x2 Plugs)