NGK BKR6EIX Iridium Spark Plug

Thread 14mm x hex 5/8" (16mm) x pitch 1.25mm
Ceramic resistor
Heat range 6
Reach 19mm (3/4")
0.6mm fine wire iridium centre electrode
0.7-0.8mm gap

Upgrade from the standard plug to NGK’s Iridium series for sharper performance and longer life. The ultra fine iridium centre electrode delivers a stronger, more consistent spark, improving throttle response, fuel efficiency, and cold starting. Iridium’s superior durability means less wear, longer service intervals, and reliable ignition even under extreme conditions. Key benefits over standard plugs:

Stronger spark for improved combustion and throttle response
Better fuel efficiency and smoother running
Easier cold starts
Longer lifespan thanks to iridium’s high melting point
Reduced misfires and consistent performance under load

Before You Place Your Order...

Note the image may not be exactly as item received and any slight difference will not be inferior or effect performance
Check the fitment list to ensure this item will fit your vehicle
When we refer to right or left, this is as you sit on your vehicle
To find part by SKU, enter the number without "SKU" into the search box
Products containing any fluid or hazardous materials, aerosols, batteries including large lithium jump starters cannot be shipped overseas due to courier restrictions although we can ship UK offshore and Scottish Highlands at higher shipping rates
EU customers should check with your countries customs office to determine what additional costs such as tax or Import duties will be prior to purchasing. These charges are normally collected by the delivery company or when you pick the item up, they are not included in the item price or shipping charge on this website

All parts and accessories are brand new and include VAT where applicable.
Most parts are pattern or aftermarket although some will be genuine but are not always stated as being so.
The use of motorcycle manufacturers' names is for reference purposes only. We do not imply that the products we sell are made by or with the permission of the names listed.

MZ

1000 S 2003-07

1000 SF 2005-07

1000 SFX 2007

1000 ST 2007

Polaris

325 Magnum (2x4) (AA) 2000-02

325 Magnum (2x4) (AB) 2001-02

325 Magnum (2x4) (CA) 2000

325 Magnum (4x4) (AA) 2000-02

325 Magnum (4x4) (AB) 2001-02

325 Magnum (4x4) (AC) 2002

325 Magnum (4x4) (CA) 2000

325 Magnum (4x4) Freedom 2002

325 Magnum (4x4) Mose 2001

325 Magnum HDS (2x4) (FA) 2000

325 Magnum HDS (2x4) (FC) 2001-02

325 Magnum HDS (4x4) (FA) 2000

325 Magnum HDS (4x4) (FB) 2000-02

325 Trail Boss (2x4) 2000-02

325 Trail Boss (2x4) SE 2001

325 Xpedition 2000-02

330 ATP (4x4) 2004-05

330 Magnum (2x4) (AA) 2003-05

330 Magnum (4x4) (AA) 2003-06

330 Magnum (4x4) (AB) 2003

330 Magnum (4x4) (AC) 2003

330 Magnum HDS (4x4) (FB) 2003

330 Trail Blazer (2x4) 2008-13

330 Trail Boss (2x4) 2010-13

330 Trail Boss (2x4) (AA) 2003-09

330 Trail Boss Quad 2005

400 Hawkeye HO (2x4) 2011-13

400 Hawkeye HO HD (2x4) 2013-14

400 Sportsman HO (4x4) 2010-14

400 Sportsman HO SE (4x4) 2014

425 Magnum (2x4) 1995-98

425 Magnum (4x4) 1995-98

450 Sportsman (2x4) 2006-07

500 ATP HO (4x4) 2004-05

500 Scrambler (2x4) 2001-02, 2007-09

500 Scrambler (4x4) 1997-12

500 Scrambler Freedom (4x4) 2002

500 Sportsman (4x4) 1996-04

500 Sportsman (4x4) (EFI) 2006-09

500 Sportsman (6x6) 2001-08

500 Sportsman Duse (4x4) 2001-02

500 Sportsman Duse HO (4x4) 2001-02

500 Sportsman Forest 2011-13

500 Sportsman Forest Tractor (EFI) 2011-14

500 Sportsman HD (4x4) 2013

500 Sportsman HO (4x4) 2001-03, 2005-13

500 Sportsman HO (4x4) (AA-AE) 2004

500 Sportsman HO (4x4) (AO-AX) 2004

500 Sportsman HO (4x4) (EFI) 2008

500 Sportsman RSE (4x4) 2000

500 Sportsman RSE HO (4x4) 2001-02

500 Sportsman Touring (4x4) (EFI) 2008-09

500 Sportsman Touring HO (4x4) 2010-13

500 Sportsman Touring Quad (4x4) (EFI) 2008-09

500 Sportsman Tractor (EFI) 2009-10

500 Sportsman X2 2006

500 Sportsman X2 (EFI) 2007-09

500 Sportsman X2 Quad (EFI) 2007-09

500 Worker (4x4) 2001

550 Sportsman 2011-13

550 Sportsman EPS 2010-14

550 Sportsman Forest 2011-12, 2014

550 Sportsman Touring EPS 2010-14

550 Sportsman X2 2010-14

550 Sportsman X2 EPS 2014

550 Sportsman X2 EPS LE UE 2014

550 Sportsman XP 2009-10

550 Sportsman XP EPS 2009-14

550 Sportsman XP EPS HD 2014

550 Sportsman XP HD 2013

550 Sportsman XP Touring EPS 2012

Ranger 400 (4x4) 2012-14

Ranger 400 HO (4x4) 2010-11

Ranger 400 Midsize (4x4) 2013

Ranger 500 EFI (4x4) 2006-07

NGK BKR6EIX Iridium Spark Plug