We carry thousands of Jeep parts - from CJs up to JK Wranglers

Jeep Wrangler JK Ignition Systems

At 4x4 Part Source, we offer top of the line ignition systems, plugs, wires, coils and more for your Jeep Wrangler JK. Just take a look at our selection of ignition components below:


Portable Lightweight Wired 35mm Plug Guide Lecture Speech Headset with Mic BEST Portable Lightweight Wired 35mm Plug Guide Lecture Speech Headset with Mic BEST
$7.33
Buy It Now for only: $7.33
Portable Lightweight Wired 35mm Plug Guide Lecture Speech Headset with Mic BEST
For 1998 2002 Mercedes E430 Spark Plug Wire Bosch 67463JK 2000 1999 2001 For 1998 2002 Mercedes E430 Spark Plug Wire Bosch 67463JK 2000 1999 2001
$30.00
Buy It Now for only: $30.00
For 1998 2002 Mercedes E430 Spark Plug Wire Bosch 67463JK 2000 1999 2001
Crank Position Sensor Connector Pigtalil for 2012+ Dodge Chrysler Jeep 30 37 Crank Position Sensor Connector Pigtalil for 2012+ Dodge Chrysler Jeep 30 37
$24.99
Buy It Now for only: $24.99
Crank Position Sensor Connector Pigtalil for 2012+ Dodge Chrysler Jeep 30 37
NEW OEM Jeep JK 2007 2018 Spare Tire Carrier Mount brake light wiring NEW OEM Jeep JK 2007 2018 Spare Tire Carrier Mount brake light wiring
$199.00
Buy It Now for only: $199.00
NEW OEM Jeep JK 2007 2018 Spare Tire Carrier Mount brake light wiring
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN bl IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN bl
$3.18
Buy It Now for only: $3.18
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN bl
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUIJUS IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUIJUS
$3.62
Buy It Now for only: $3.62
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUIJUS
For 1998 2005 Mercedes E320 Spark Plug Wire Set Denso 41912JK 2001 2002 2003 For 1998 2005 Mercedes E320 Spark Plug Wire Set Denso 41912JK 2001 2002 2003
$165.07
Buy It Now for only: $165.07
For 1998 2005 Mercedes E320 Spark Plug Wire Set Denso 41912JK 2001 2002 2003
For 1982 1988 Dodge D150 Spark Plug Wire Set SMP 71979JK 1986 1984 1983 1985 For 1982 1988 Dodge D150 Spark Plug Wire Set SMP 71979JK 1986 1984 1983 1985
$42.29
Buy It Now for only: $42.29
For 1982 1988 Dodge D150 Spark Plug Wire Set SMP 71979JK 1986 1984 1983 1985
For 2001 2006 Mercedes CL55 AMG Spark Plug Wire Set Bosch 13735JK 2003 2002 2004 For 2001 2006 Mercedes CL55 AMG Spark Plug Wire Set Bosch 13735JK 2003 2002 2004
$334.28
Buy It Now for only: $334.28
For 2001 2006 Mercedes CL55 AMG Spark Plug Wire Set Bosch 13735JK 2003 2002 2004
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYRZ IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYRZ
$2.91
Buy It Now for only: $2.91
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYRZ
Mini Wire Stripper Pliers Multi Tool Pocket Handheld Plug Cable Cutter Crimper Mini Wire Stripper Pliers Multi Tool Pocket Handheld Plug Cable Cutter Crimper
$2.58
Buy It Now for only: $2.58
Mini Wire Stripper Pliers Multi Tool Pocket Handheld Plug Cable Cutter Crimper
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYCS IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYCS
$2.91
Buy It Now for only: $2.91
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYCS
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYCX IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYCX
$3.18
Buy It Now for only: $3.18
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYCX
For 1994 1997 Saab 900 Spark Plug Wire Set 17715JK 1995 1996 Hatchback For 1994 1997 Saab 900 Spark Plug Wire Set 17715JK 1995 1996 Hatchback
$150.97
Buy It Now for only: $150.97
For 1994 1997 Saab 900 Spark Plug Wire Set 17715JK 1995 1996 Hatchback
JACKYLED Power Strip 14 Outlet Plugs with 4 USB Slot 65ft Cord Wire 3000W PC JACKYLED Power Strip 14 Outlet Plugs with 4 USB Slot 65ft Cord Wire 3000W PC
$41.40
Buy It Now for only: $41.40
JACKYLED Power Strip 14 Outlet Plugs with 4 USB Slot 65ft Cord Wire 3000W PC
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BEG IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BEG
$4.59
Buy It Now for only: $4.59
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BEG
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN ns IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN ns
$2.74
Buy It Now for only: $2.74
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN ns
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYDI IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYDI
$2.86
Buy It Now for only: $2.86
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYDI
3Pin XLR Female Jack to Dual 2 Male Plug Y Splitter 30cm Adapter Cable Wire 3Pin XLR Female Jack to Dual 2 Male Plug Y Splitter 30cm Adapter Cable Wire
$5.55
Buy It Now for only: $5.55
3Pin XLR Female Jack to Dual 2 Male Plug Y Splitter 30cm Adapter Cable Wire
2007 2008 INFINITI G35S SEDAN OEM RIGHT REAR DOOR WIRING HARNESS PLUG CONNECTORS 2007 2008 INFINITI G35S SEDAN OEM RIGHT REAR DOOR WIRING HARNESS PLUG CONNECTORS
$19.99
Buy It Now for only: $19.99
2007 2008 INFINITI G35S SEDAN OEM RIGHT REAR DOOR WIRING HARNESS PLUG CONNECTORS
Zndspule Topran 103 240 Zndspule Topran 103 240
$12.24
Buy It Now for only: $12.24
Zndspule Topran 103 240
H13 9008 to H4 9003 HEADLIGHT CONVERSION HARNESS LAMP 07 14 JK Jeep Wrangler H13 9008 to H4 9003 HEADLIGHT CONVERSION HARNESS LAMP 07 14 JK Jeep Wrangler
$14.99
Buy It Now for only: $14.99
H13 9008 to H4 9003 HEADLIGHT CONVERSION HARNESS LAMP 07 14 JK Jeep Wrangler
Smittybilt Bolt On Receiver Hitch And Wiring Kit For 2007 2018 Jeep Wrangler JK Smittybilt Bolt On Receiver Hitch And Wiring Kit For 2007 2018 Jeep Wrangler JK
$101.97
Buy It Now for only: $101.97
Smittybilt Bolt On Receiver Hitch And Wiring Kit For 2007 2018 Jeep Wrangler JK
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN AAPP IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN AAPP
$3.18
Buy It Now for only: $3.18
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN AAPP
For 1968 1974 Chevrolet C20 Pickup Spark Plug Wire Set SMP 51349JK 1971 1969 For 1968 1974 Chevrolet C20 Pickup Spark Plug Wire Set SMP 51349JK 1971 1969
$29.01
Buy It Now for only: $29.01
For 1968 1974 Chevrolet C20 Pickup Spark Plug Wire Set SMP 51349JK 1971 1969
For 1995 1997 Porsche 911 Spark Plug Wire Set SMP 46153JK 1996 36L H6 For 1995 1997 Porsche 911 Spark Plug Wire Set SMP 46153JK 1996 36L H6
$192.96
Buy It Now for only: $192.96
For 1995 1997 Porsche 911 Spark Plug Wire Set SMP 46153JK 1996 36L H6
Karlyn Spark Plug Wire Set for 2001 2005 Chevrolet Monte Carlo 34L V6 jk Karlyn Spark Plug Wire Set for 2001 2005 Chevrolet Monte Carlo 34L V6 jk
$43.68
Buy It Now for only: $43.68
Karlyn Spark Plug Wire Set for 2001 2005 Chevrolet Monte Carlo 34L V6 jk
For 1999 Oldsmobile 88 Spark Plug Wire Set AC Delco 48781JK 38L V6 VIN K For 1999 Oldsmobile 88 Spark Plug Wire Set AC Delco 48781JK 38L V6 VIN K
$47.02
Buy It Now for only: $47.02
For 1999 Oldsmobile 88 Spark Plug Wire Set AC Delco 48781JK 38L V6 VIN K
For 1976 Chevrolet P20 Spark Plug Wire Set SMP 64727JK 74L V8 For 1976 Chevrolet P20 Spark Plug Wire Set SMP 64727JK 74L V8
$45.12
Buy It Now for only: $45.12
For 1976 Chevrolet P20 Spark Plug Wire Set SMP 64727JK 74L V8
For 1977 1979 Pontiac Sunbird Spark Plug Wire Set SMP 43578JK 1978 For 1977 1979 Pontiac Sunbird Spark Plug Wire Set SMP 43578JK 1978
$26.96
Buy It Now for only: $26.96
For 1977 1979 Pontiac Sunbird Spark Plug Wire Set SMP 43578JK 1978
ZNDSPULE SPULE TRANSISTORZNDUNG HALTER FR AUDI SEAT VW 211905115D 251905115A ZNDSPULE SPULE TRANSISTORZNDUNG HALTER FR AUDI SEAT VW 211905115D 251905115A
$33.30
Buy It Now for only: $33.30
ZNDSPULE SPULE TRANSISTORZNDUNG HALTER FR AUDI SEAT VW 211905115D 251905115A
Denso Spark Plug Ignition Wires Set for Dodge B150 52L V8 1993 1994 Tune Up jk Denso Spark Plug Ignition Wires Set for Dodge B150 52L V8 1993 1994 Tune Up jk
$35.65
Buy It Now for only: $35.65
Denso Spark Plug Ignition Wires Set for Dodge B150 52L V8 1993 1994 Tune Up jk
1 pc NGK Spark Plug Wire Set for 2001 2011 Ford Ranger 40L V6 Engine Kit jk 1 pc NGK Spark Plug Wire Set for 2001 2011 Ford Ranger 40L V6 Engine Kit jk
$48.55
Buy It Now for only: $48.55
1 pc NGK Spark Plug Wire Set for 2001 2011 Ford Ranger 40L V6 Engine Kit jk
For Jeep Wrangler JK Unlimited 4WD Bumper LED Fog Light Bracket Plug N Play Wire For Jeep Wrangler JK Unlimited 4WD Bumper LED Fog Light Bracket Plug N Play Wire
$23.99
Buy It Now for only: $23.99
For Jeep Wrangler JK Unlimited 4WD Bumper LED Fog Light Bracket Plug N Play Wire
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYXI IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYXI
$4.14
Buy It Now for only: $4.14
IP65 Waterproof 3Pin AC Cable 18AWG Wire LED Cable Connectors Plug JK HSUN BYXI

4 pcs NGK Laser Platinum Spark Plugs for 2006 Hyundai Sonata 24L L4 jk 4 pcs NGK Laser Platinum Spark Plugs for 2006 Hyundai Sonata 24L L4 jk
$36.24
Buy It Now for only: $36.24
4 pcs NGK Laser Platinum Spark Plugs for 2006 Hyundai Sonata 24L L4 jk
6pcs NEW Spark Plugs 22401 JK01D FXE24HR11 3457 For NISSAN INFINITI 6pcs NEW Spark Plugs 22401 JK01D FXE24HR11 3457 For NISSAN INFINITI
$31.40
Buy It Now for only: $31.40
6pcs NEW Spark Plugs 22401 JK01D FXE24HR11 3457 For NISSAN INFINITI
6 pc Champion Platinum Spark Plugs for 2008 Chrysler 300 Pre Gapped jk 6 pc Champion Platinum Spark Plugs for 2008 Chrysler 300 Pre Gapped jk
$19.34
Buy It Now for only: $19.34
6 pc Champion Platinum Spark Plugs for 2008 Chrysler 300 Pre Gapped jk
Jeep Jk JKU 4482 Bosch +4 Platinum Set Of Six Ignition Spark Plugs New HGR8MQPO Jeep Jk JKU 4482 Bosch +4 Platinum Set Of Six Ignition Spark Plugs New HGR8MQPO
$39.99
Jeep Jk JKU 4482 Bosch +4 Platinum Set Of Six Ignition Spark Plugs New HGR8MQPO
BOSCH Spark Plugs BMW E39 520i 523i 525i 530i SUPER4 Set of 6 Spark Plugs BOSCH Spark Plugs BMW E39 520i 523i 525i 530i SUPER4 Set of 6 Spark Plugs
$31.40
Buy It Now for only: $31.40
BOSCH Spark Plugs BMW E39 520i 523i 525i 530i SUPER4 Set of 6 Spark Plugs
4pcs 06 09 Suzuki M50 Boulevard NGK Standard Spark Plugs 805cc 49ci MARUADER jk 4pcs 06 09 Suzuki M50 Boulevard NGK Standard Spark Plugs 805cc 49ci MARUADER jk
$23.90
Buy It Now for only: $23.90
4pcs 06 09 Suzuki M50 Boulevard NGK Standard Spark Plugs 805cc 49ci MARUADER jk
8 pc Denso Iridium Power Spark Plugs for Chevrolet Kingswood 74L 57L 66L jk 8 pc Denso Iridium Power Spark Plugs for Chevrolet Kingswood 74L 57L 66L jk
$50.58
Buy It Now for only: $50.58
8 pc Denso Iridium Power Spark Plugs for Chevrolet Kingswood 74L 57L 66L jk
8 pc Denso Iridium Power Spark Plugs for Buick Century 57L 44L 50L 43L jk 8 pc Denso Iridium Power Spark Plugs for Buick Century 57L 44L 50L 43L jk
$50.58
Buy It Now for only: $50.58
8 pc Denso Iridium Power Spark Plugs for Buick Century 57L 44L 50L 43L jk
SPARK PLUGS  LEADS BOSCH for HOLDEN APOLLO JK for TOYOTA CAMRY SV22 3SF C SPARK PLUGS LEADS BOSCH for HOLDEN APOLLO JK for TOYOTA CAMRY SV22 3SF C
$119.02
Buy It Now for only: $119.02
SPARK PLUGS  LEADS BOSCH for HOLDEN APOLLO JK for TOYOTA CAMRY SV22 3SF C
6Pcs 22401 JK01D FXE24HR11 DENSO Iridium Spark Plugs OEM For INFINITI 3457 QX50 6Pcs 22401 JK01D FXE24HR11 DENSO Iridium Spark Plugs OEM For INFINITI 3457 QX50
$28.50
Buy It Now for only: $28.50
6Pcs 22401 JK01D FXE24HR11 DENSO Iridium Spark Plugs OEM For INFINITI 3457 QX50
2011 2016 Jeep Wrangler Jk Ignition Coil Spark Plugs Caps Set 05149168Ai 2011 2016 Jeep Wrangler Jk Ignition Coil Spark Plugs Caps Set 05149168Ai
$85.00
Buy It Now for only: $85.00
2011 2016 Jeep Wrangler Jk Ignition Coil Spark Plugs Caps Set 05149168Ai
6pc NEW OEM Denso Spark Plugs NISSAN INFINITI 22401 JK01D FXE24HR11 3457 6pc NEW OEM Denso Spark Plugs NISSAN INFINITI 22401 JK01D FXE24HR11 3457
$36.99
Buy It Now for only: $36.99
6pc NEW OEM Denso Spark Plugs NISSAN INFINITI 22401 JK01D FXE24HR11 3457
6 pc Denso Standard U Groove Spark Plugs for Oldsmobile Silhouette 31L V6 jk 6 pc Denso Standard U Groove Spark Plugs for Oldsmobile Silhouette 31L V6 jk
$15.91
Buy It Now for only: $15.91
6 pc Denso Standard U Groove Spark Plugs for Oldsmobile Silhouette 31L V6 jk
8 pc Denso Standard U Groove Spark Plugs for American Motors Gremlin 50L V8 jk 8 pc Denso Standard U Groove Spark Plugs for American Motors Gremlin 50L V8 jk
$19.52
Buy It Now for only: $19.52
8 pc Denso Standard U Groove Spark Plugs for American Motors Gremlin 50L V8 jk
4pcs 09 10 Arctic Cat 550 4x4 Auto TRV NGK Standard Spark Plugs 545cc 33ci jk 4pcs 09 10 Arctic Cat 550 4x4 Auto TRV NGK Standard Spark Plugs 545cc 33ci jk
$33.81
Buy It Now for only: $33.81
4pcs 09 10 Arctic Cat 550 4x4 Auto TRV NGK Standard Spark Plugs 545cc 33ci jk
Set of 6 Iridium Resistor Spark Plugs NGK DF8H11B For Infiniti G37 Nissan 370Z Set of 6 Iridium Resistor Spark Plugs NGK DF8H11B For Infiniti G37 Nissan 370Z
$135.95
Buy It Now for only: $135.95
Set of 6 Iridium Resistor Spark Plugs NGK DF8H11B For Infiniti G37 Nissan 370Z
Set of 6 Iridium Resistor Spark Plugs NGK DF8H11B For Infiniti G37 Nissan 370Z Set of 6 Iridium Resistor Spark Plugs NGK DF8H11B For Infiniti G37 Nissan 370Z
$135.94
Buy It Now for only: $135.94
Set of 6 Iridium Resistor Spark Plugs NGK DF8H11B For Infiniti G37 Nissan 370Z
6x Brisk YS Silver Electrode Spark Plugs  fits Nissan Skyline 25i y1993 2000 6x Brisk YS Silver Electrode Spark Plugs fits Nissan Skyline 25i y1993 2000
$37.77
Buy It Now for only: $37.77
6x Brisk YS Silver Electrode Spark Plugs  fits Nissan Skyline 25i y1993 2000
Spark Plugs Car Accessories 22401JK01D Fit 370Z Infiniti Q70 QX50 37 Spark Plugs Car Accessories 22401JK01D Fit 370Z Infiniti Q70 QX50 37
$10.79
Buy It Now for only: $10.79
Spark Plugs Car Accessories 22401JK01D Fit 370Z Infiniti Q70 QX50 37
8 pc Denso Iridium TT Spark Plugs for Ford F Super Duty 75L V8 1988 1997 jk 8 pc Denso Iridium TT Spark Plugs for Ford F Super Duty 75L V8 1988 1997 jk
$56.68
Buy It Now for only: $56.68
8 pc Denso Iridium TT Spark Plugs for Ford F Super Duty 75L V8 1988 1997 jk
6PCS 22401 JK01D FXE24HR11 3457 Spark Plugs For NISSAN FX37 M37 INFINITI Q50 Q70 6PCS 22401 JK01D FXE24HR11 3457 Spark Plugs For NISSAN FX37 M37 INFINITI Q50 Q70
$30.99
Buy It Now for only: $30.99
6PCS 22401 JK01D FXE24HR11 3457 Spark Plugs For NISSAN FX37 M37 INFINITI Q50 Q70
Spark Plugs Replacement 22401JK01D Fit 370Z Infiniti Q70 QX50 37 Spark Plugs Replacement 22401JK01D Fit 370Z Infiniti Q70 QX50 37
$10.79
Buy It Now for only: $10.79
Spark Plugs Replacement 22401JK01D Fit 370Z Infiniti Q70 QX50 37
6PCS Double Iridium Spark Plugs 22401 JK01D FXE24HR11 3457 Fit Nissan Infiniti 6PCS Double Iridium Spark Plugs 22401 JK01D FXE24HR11 3457 Fit Nissan Infiniti
$20.99
Buy It Now for only: $20.99
6PCS Double Iridium Spark Plugs 22401 JK01D FXE24HR11 3457 Fit Nissan Infiniti
4pcs Manco TALON NGK Standard Spark Plugs 260 Kit Set Engine jk 4pcs Manco TALON NGK Standard Spark Plugs 260 Kit Set Engine jk
$23.43
Buy It Now for only: $23.43
4pcs Manco TALON NGK Standard Spark Plugs 260 Kit Set Engine jk
6pc NEW OEM Denso Spark Plugs NISSAN INFINITI 22401 JK01D FXE24HR11 3457 6pc NEW OEM Denso Spark Plugs NISSAN INFINITI 22401 JK01D FXE24HR11 3457
$43.99
Buy It Now for only: $43.99
6pc NEW OEM Denso Spark Plugs NISSAN INFINITI 22401 JK01D FXE24HR11 3457
6x Lexus IS 200 20i y1999 2005  Brisk YS Silver Electrode Upgrade Spark Plugs 6x Lexus IS 200 20i y1999 2005 Brisk YS Silver Electrode Upgrade Spark Plugs
$37.77
Buy It Now for only: $37.77
6x Lexus IS 200 20i y1999 2005  Brisk YS Silver Electrode Upgrade Spark Plugs
4 pc Denso Platinum Long Life Spark Plugs for Honda Fit 15L L4 2007 2014 jk 4 pc Denso Platinum Long Life Spark Plugs for Honda Fit 15L L4 2007 2014 jk
$31.51
Buy It Now for only: $31.51
4 pc Denso Platinum Long Life Spark Plugs for Honda Fit 15L L4 2007 2014 jk
Air Oil Cabin Filters Spark Plugs Tune Up Kit Top Quality Fits Infiniti G35 2007 Air Oil Cabin Filters Spark Plugs Tune Up Kit Top Quality Fits Infiniti G35 2007
$138.96
Buy It Now for only: $138.96
Air Oil Cabin Filters Spark Plugs Tune Up Kit Top Quality Fits Infiniti G35 2007
4pcs 75 93 Flagship 450FAJ NGK V Power Racing Spark Plugs 454 CID Hi jk 4pcs 75 93 Flagship 450FAJ NGK V Power Racing Spark Plugs 454 CID Hi jk
$23.16
Buy It Now for only: $23.16
4pcs 75 93 Flagship 450FAJ NGK V Power Racing Spark Plugs 454 CID Hi jk
4pcs 2006 Harley Davidson FLSTFSE2 Screamin Eagle Fat Boy NGK Standard Spark jk 4pcs 2006 Harley Davidson FLSTFSE2 Screamin Eagle Fat Boy NGK Standard Spark jk
$27.86
Buy It Now for only: $27.86
4pcs 2006 Harley Davidson FLSTFSE2 Screamin Eagle Fat Boy NGK Standard Spark jk