Denso 5317 Iridium Spark Plugs - IW24 marine-trailering-bearing-protectors-seals-bearings 1974-1980 Yamaha YZ80

1974-1980 Yamaha YZ80

For 84-86 Models with Early-Style kicker arms

which together offer low sound level at a much lighter weight

Chain Type/Length 520SV3-114

2014 Arctic Cat 90 2x4 4-Stroke

Denso 5317 Iridium Spark Plugs - IW24 marine-trailering-bearing-protectors-seals-bearings 1974-1980 Yamaha YZ80Spark Plug Code: IW24 NGK Ref.# B9ES, BR9ES, B9EG, BR9EG, B9EGV, B9EV, BR9EV, B9EVX, BR9EVX, BR9ECS, BPR9ES, BPR9EVX, BR9EYA, BR9EIX, R4118S 9. Six times harder than platinum, iridium doesnt melt in temperatures up to 4,000F. Because the iridium electrodes of these plugs can be shrunk to only 0. 4mm, voltage requirements decrease while firing performance improves. 360 laser welding of electrode provides a seal that resists wear even in the worst