Anti-interference 5 kOhm - Key opening: SW16 (16 mm) Thread Diameter M10 (10mm) Thread Length 19mm Contact ignition cable: M4 thread; special feature: spark plugs with 2 ground electrodes Comparison references: Bosch 0242074500, Bosch UR07CDC, Champion 653, Champion 8698, Champion G57C, Champion RG92DC, Denso 4155, Denso 5366, Denso 5735, Denso IU01-27, Denso IU27A, Denso U27ETR, NGK stk 4 548 cm Box contents: set of 4 spark plugs Compatible with Autolite: 4302, XS4302 Compatible with Bosch: 0242074500, UR07CDC Compatible with Brisk: AR10S Compatible with Champion: 653, 8698, G57C, RG92DC Compatible with Denso: 4155, 5366, 5735, IU01-27 , IU27 A, U27ETR Compatible with Honda: ZJ980-002-000 Compatible with Kawasaki: 92070-1264, 920701145, 920701264, E92070-1145, E920701145, E920701264, J4 520U2 7ETR Compatible with NGK stk: 4548 Compatible with Suzuki: 09482-00410, 09482-00411 Compatible with Tacti: V91104155 Compatible with Triumph: 1290023, T1290023 Compatible with Yamaha: 94700-00403 , 94700 1-00395, 94701-00403, 9470100395, 9470100403 Technical data: Type: CR9EK Manufacturer Part Number: 4548 Anti-interference : 5 kOhm Key Opening: SW16 (16mm) Thread: M10 (10.100 mm) 4 in) Length of the Thread: 19 mm. Distance between electrodes: 0.7 mm. Contact ignition cable: M4 thread. Special features: Spark plugs with 2 ground electrodes. Box contents: 4 x CR9EK spark plugs. NGK