Denso Iridium Spark Plug IK20 (5304) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $18.37 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IW20 (5306) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $19.64 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IW22 (5307) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $20.29 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IW24 (5316) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $20.29 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IW27 (5317) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $20.06 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IWF22 (5379) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $15.13 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IWF24 (5380) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $21.32 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IX24B (5376) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $20.06 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IX27 (5373) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $20.06 Add to Cart The item has been added Compare
Denso Iridium Spark Plug IX27B (5377) Six times harder than platinum, iridium withstands temperatures up to 4,000°F Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing... $16.95 $12.46 Add to Cart The item has been added Compare
Denso U-Groove Spark Plug W24ESR-U (4033) 100 percent pre-fired to ensure reliable operation Copper core center electrode for superior thermal conductivity Unique five-rib insulator reduces flashover and decreases voltage loss Dual... $11.96 Add to Cart The item has been added Compare
Denso U-Groove Spark Plug W27ES-U (4046) 100 percent pre-fired to ensure reliable operation Copper core center electrode for superior thermal conductivity Unique five-rib insulator reduces flashover and decreases voltage loss Dual... $11.00 Add to Cart The item has been added Compare