BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | SNOW ELECTRICAL ELECTRICAL 660 IRIDIUM IX SPARK PLUGS •The ultimate in spark plug technology and performance from the industry leader • The iridium electrode is 25% smaller than a platinum electrode, and it’s just one-fourth the size of a conventional nickel electrode •Ultra-small-diameter center electrode reduces voltage requirement and extends ignition system life •Metal shell plating has enhanced anticorrosion qualities PART # PLUG # THREAD REACH 2103-0057 BPR8EIX 14 mm 3/4” 2103-0128 BR8ECSIX 14 mm 3/4” 2103-0020 BPR9EIX 14 mm 3/4” 2103-0129 BR9ECSIX 14 mm 3/4” BR6HIX BR6HIX 14 mm 1/2” 2103-0289 BPR6EIX 14 mm 3/4” BR7EIX BR7EIX 14 mm 3/4” PART # PLUG # THREAD REACH BR7HIX BR7HIX 14 mm 1/2” BR8EIX BR8EIX 14 mm 3/4” BR8EIXSOLID BR8EIXSOLID 14 mm 3/4” BR8HIX BR8HIX 14 mm 1/2” BR9EIX BR9EIX 14 mm 3/4” BR9EIXSOLID BR9EIXSOLID 14 mm 3/4” 2103-0506 BR9ECSIX-5 14 mm 3/4” PART # PLUG # THREAD REACH BR9HIX BR9HIX 14 mm 1/2” BR10EIX BR10EIX 14 mm 3/4” 2103-0557 BR10EIXSOLID 14 mm 3/4” 2103-0292 CR7HIX 10 mm 1/2” 2103-0364 ILKR8Q7 12 mm 3/4” 2103-0303 MR8BI-8 10 mm 3/4” BR9EIX SPARK PLUGS •Superior construction for serious power •NGK makes plugs for almost every application and riding style •Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot •Feature high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life STANDARD TYPES PART # THREAD REACH 2103-00061 18 mm 12 mm 2103-00192 18 mm 3/8” B7HS 14 mm 1/2” PART # THREAD REACH B8S 14 mm 12 mm B10ES 14 mm 3/4” 1 Plug No.AB6. 2 Plug No.AB7. RESISTOR TYPES PART # PLUG # THREAD REACH 2103-0017 BKR5ES 14 mm 12 mm 2103-0567 BPR8ES 14 mm 3/4” BPR9ES BPR9ES 14 mm 3/4” 2103-0135 BR6HS 14 mm 1/2” BR7ES BR7ES 14 mm 3/4” BR7ESSOLID BR7ESSOLID 14 mm 3/4” BR7HS BR7HS 14 mm 1/2” 2103-0038 BR8ECS 14 mm 3/4” BR8ES BR8ES 14 mm 3/4” PART # PLUG # THREAD REACH BR8ES-SOLID1 BR8ES-SOLID 14 mm 3/4” BR8HS BR8HS 14 mm 1/2” BR9HS BR9HS 14 mm 1/2” BR9ES BR9ES 14 mm 3/4” 2103-00311 BR9ECS5 14 mm 3/4” BR9ES-SOLID1 BR9ES-SOLID 14 mm 3/4” 2103-0056 BRE9CS-SLD 14 mm 3/4” BR9EY-A BR9EY-A 14 mm 3/4” BR10ECS BR10ECS 14 mm 3/4” PART # PLUG # THREAD REACH BR10ES BR10ES 14 mm 3/4” BR10ESSOLID1 BR10ESSOLID 14 mm 3/4” BR10EY-A BR10EY-A 14 mm 3/4” 2103-0220 MR7BI-8 10 mm 3/4” 2103-0279 MR8AI9 10 mm 3/4” 2103-01642 PZFR6F 14 mm 3/4” 2103-0216 PFR7AB 14 mm 3/4” 1 OEM replacement; has solid terminal nuts. 2 Platinum plug. SPECIAL TYPES PART # PLUG # THREAD REACH BUE BUE 14 mm 3/4” BUHX BUHX 14 mm 1/2” PART # PLUG # THREAD REACH 2103-0058 CR8EKB 10 mm 3/4” BR8ES B7HS IRIDIUM PLUG # NGK REFERENCE # IWF22 B6HS, BP6HS, BP6HS-10, BPR6HS, BPR6HS-10, BPRHSA, B7HS, BR7HS, BP7HS, BPR7HS, B7HVX, BP7EVX, BPR7HIX, BR7HIX IW24 B8EG, B8ES, BR8ES, BR8ES-11, BR8EG, B8EGV, B8EV, BR8EVX, BP8ES, BPR8ES, BR8EV, BR8EVX, BR8EIX, R4118S-8 IWF24 B8HS, BR8HS, B8HV, B8HVX IW27 B9ES, BR9ES, B9EG, BR9EG, B9EGV, B9EV, BR9EV, B9EVX, BR9EVX, BR9ECS, BPR9ES, BPR9EVX, BR9EYA, BR9EIX, R4118S-9 IW31 B10EG, B10EGV, B10ES, B10EV, B10EVX, BPR10EVX, BR10ECS, BR10EG, BR10ES, BR10EV, BR10EYA IRIDIUM SPARK PLUGS BETTER METALS MEAN BETTER SPARK PLUG DESIGNS • Six times harder than platinum, iridium doesn’t melt in temperatures up to 4,000 °F •Because the iridium electrodes of these plugs can be shrunk to only 0.4 mm, voltage requirements decrease while firing performance improves • 360° 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 •Use NGK reference chart to order and stock these plugs
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