1991 ATK 406 MX Spark Plugs
Save up to 40% on original replacement 1991 ATK 406 MX Spark Plugs. Navigate our online catalogue to find Spark Plugs and other parts designed specifically to fit a 1991 ATK 406 MX.






Spark Plug
$4.26
$3.42
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle Fitment Notes:
Gap 0.032 Standard Plug with Patented U-Groove Design
Gap 0.032 Standard Plug with Patented U-Groove Design





Spark Plug
$18.03
$11.15
10+ In Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle Fitment Notes:
Gap 0.027 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Gap 0.027 Iridium Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)







Spark Plug
$17.39
$13.88
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.025in Part # BR8EIX
Gap 0.025in Part # BR8EIX







Spark Plug
$17.39
$13.88
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Made in Japan
Vehicle fitment:
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
with 2 Stroke Gap 0.025in Stock# 5044
with 2 Stroke Gap 0.025in Stock# 5044







Spark Plug
$4.32
$4.73
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.025in Part # BR8ES
Gap 0.025in Part # BR8ES







Spark Plug
$4.32
$4.73
10+ In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
with 2 Stroke Gap 0.025in Stock# 5422
with 2 Stroke Gap 0.025in Stock# 5422







Spark Plug
$4.91
$2.53
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Engine Base: -L 406cc (-CID) -- Bore U/Kcm (U/Kin.) Stroke U/Kcm (U/Kin.);
Vehicle Fitment Notes:
Gap 0.025in Part # B8ES Sell Out and Reorder BR8ES (Stock # 5422)
Gap 0.025in Part # B8ES Sell Out and Reorder BR8ES (Stock # 5422)