Genuine NGK Spark Plug Part# 6221 (BM6F)

Specifications

Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Tapered
Reach: 9.5mm (3/8")
Hex Size: 5/8" (16mm)
Terminal Type: Removable Nut
Overall Height: Bantam
Gap: .028" (0.7mm)
Material: Nickel
Type: Standard
Size: 2.5mm
Resistor: No
Resistor Value: 1K Ohm
Heat Range: 6
Cast Iron: 10.8-18 lb. ft. Aluminum: 7.2-14.5 lb. ft.

Fits Models: Green Machine 1600, 1940, 2230, 1930, Homelite ST80, 90, 100, 120, 135, 150, 155, 160, 175, 180, 185, 200, 275, 285, 385, 485, 150, 190, Super 2, Super 240,VI-Super 2, XL, XL-2, McCulloch Eager Beaver, Mac, Pro-Scraper, Roadrunner, Silver Eagle, Super Mac, Pro Mac 3000, 4100, I, II, III, III Super, IV HD, Titan 3000, 3900 10-10, PM55, Double Eagle 50, 80, Eager Beaver 2, 2.1, 2.3, 3.4, 3.7, 10, 12, 14, 16, Mac 100 & many more

Fits OEM: 745 & 1289

Fits Aftermarket: 130-807, 1289, 268-5729, 39070, 52326, 52328, 77-304-1, B1BM6F & NGBM6F