x X X X X 681 NGK SPARK PLUGS Construction (One or more letter may be combined) C: Hex Size 5/8" K: Hex Size 5/8" Projected Tip (ISO) L: Compact Type (shorty) M: Compact Type (Bantam) P: Projected Insulator Type R: Resistor Type U: Surface or Semi-Surface Discharge Type Z: Inductive Resistor B C P R 6 E S — 11 Standard type Projected Insulator Type V Type WIDE GAP 8:0.8mm (.032") 9:0.9mm (.036") 10:1.0mm (.040") 11:1.1mm (.044") 13:1.3mm (.050") 14:1.4mm (.055") 15:1.5mm (.060") 20:2.1mm (.080") PLUG TIPS: S = Standard P = Projected Su = Surface Discharge V = V Type Firing End Construction A: Special design LM: Compact type for lawn mower B: Special for Honda CVCC M: 2-Ground electrodes C: Low angle ground electrode N: Special Side electrode CM: Compact type, Low angle ground electrode P: Premium platinum Q: 4-Ground electrodes E: V-Grooved center electrode (14mm only) 1/5mm insulator R: Special ground electrodes ES: Standard 3/4” Thread reach (2.5mm) center electrode S: Standard 2.6mm center electrode F: Tapered Seat T: 3-Ground electrodes G: Fine wire nickel center electrode U: Semi-surface discharge GP: Platinum Firewire (6mm) V: Fine wire gold palladium center electrode GV: Gold-palladium center electrode, special VX: High performance platinum W: Tungsten electrode IX: High performance Iridium X: Booster gap K: 2-Ground electrodes Y: V-Grooved center electrode L: Half heat range. (See spec. chart) Z: Thick 2.9mmø center electrode Thread Diameter A: 18mm B: 14mm C: 10mm D: 12mm E: 8mm J: 12mm AB: 18mm BC: 14mm BK: 14mm DC: 12mm Heat Rating Numbers 2 Hot 11 Cold Sold in BOX quantities, priced each WPS# NGK Stock# Box Qty List 2-AB6 2910 10 $6.94 2-AB7 3010 10 $7.29 2-AB8 7909 10 $6.19 2-B10EG 3630 4 $6.24 2-B10ES 7928 4 $4.15 2-B10HS 2399 4 $3.78 2-B4 3210 10 $3.20 2-B4L 3112 10 $3.20 2-B6L 3212 10 $3.96 2-B7ES-11 2311 4 $3.61 2-B7HS 5110 4 $4.15 2-B7S 3710 10 $3.20 2-B8EG 3430 4 $6.24 WPS# NGK Stock# Box Qty List 2-B8EG-S 3997 * 4 $5.79 2-B8HS-10 5126 4 $3.78 2-B8S 3810 10 $3.95 2-B9EG 3530 4 $6.24 2-B9EG-S 3998 * 4 $5.87 2-BCPR5ES 6130 4 $3.96 2-BCPR6ES 2330 4 $3.96 2-BCPR7ES 6282 4 $3.71 2-BKR4E 4421 10 $3.71 2-BKR5E 7938 4 $3.93 2-BKR5E-11 6953 4 $3.68 2-BKR5EGP 7090 4 $5.21 2-BKR5EIX 6341 4 $11.40 2-BKR5EIX-11 5464 4 $11.01 2-BKR5ES 2460 4 $3.95 WPS# NGK Stock# Box Qty List 2-BKR5ES-11 2382 4 $3.95 2-BKR6E 6962 4 $3.96 2-BKR6E-11 2756 4 $3.68 2-BKR6EGP 7092 4 $5.21 2-BKR6EIX 6418 4 $11.40 2-BKR6EIX-11 3764 4 $11.01 2-BKR6ES 6364 4 $3.40 2-BKR7E 4644 4 $4.16 2-BKR7E-11 5791 4 $3.96 2-BKR7EIX 2667 4 $12.96 2-BKR7EIX-11 6988 4 $11.40 2-BKR7EKC-N 2095 10 $9.73 2-BKR8EIX 2668 4 $11.40 2-BKR9EIX 2669 4 $11.40 2-BM6F 6221 10 $3.20 * Solid Terminal Tapered Seat Thread Reach E: 19 mm (3/4") EF: Tapered seat 17.5mm FS: Tapered Seat 10.9mm H: 12.7 mm (1/2") EH: Partial thread 19mm total reach L: 11.2 mm (7/16") S: 9.5mm Z: 21mm NO SYMBOL: 18 mmø = 12 mm Reach 14 mmø = 9.5 mm (3/8") Reach SNOW BIKE SURVIVAL SNOWMOBILE ACCESSORIES HANDLEBARS / CONTROLS CABLES WINDSHIELDS BODY SKIS / RUNNERS FRONT SUSPENSION REAR SUSPENSION SHOCKS TRACKS / STUDS SPROCKETS ELECTRICAL EXHAUST ENGINE AIR / FUEL CLUTCHING BELTS BRAKES CHAIN / SPROCKETS LUBRICANTS / CHEMICALS TOOLS / HARDWARE TRANSPORT / RAMPS INDEX ELECTRICAL
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