The denso iridium spark plug for kawasaki ae 80 1981-1982 is part of the latest collection from denso.Features: six times harder than platinum, iridium withstands temperatures up to 4,000â f because the iridium electrodes of these plugs can be shrunk to only 0.4Mm, voltage requirements decrease while firing performance improves 360â laser welding of electrode provides a seal that resists wear even in the worst conditions ground electrode features a tapered cut and u-groove that form a large volume area for the flame's center specifications: center electrode projection: non-projected center electrode type: fine wire electrical resistance: 5k ohms electrode tip material: iridium ground electrode shape: grooved taper cut heat range: 7 hex size imperial: 13 16 hex size metric: 20.6 Mm hex size: 20.6 Mm 13 16 model: iw22 product name: spark plug research value: finalized to fit: bmw r 100 cs 1980 classic sport all models bmw r 100 cs 1981 classic sport all models bmw r 100 cs 1982 classic sport all models bmw r 100 cs 1983 classic sport all models bmw r 100 cs 1984 classic sport all models bmw r 100 rs 1976 all models bmw r 100 rs 1977 all models bmw r 100 rs 1978 all models bmw r 100 rs 1979 all models bmw r 100 rs 1980 all models bmw r 100 rs 1981 all models bmw r 100 rs 1982 all models bmw r 100 rs 1983 all models bmw r 100 rs 1984 all models bmw r 100 rs 1986 european models bmw r 100 rt 1978 all models bmw r 100 rt 1979 all models bmw r 100 rt 1980 all models bmw r 100 rt...