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NGK Spark Plugs

NGK Spark Plugs For Harley Big Twin 1948-1974

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NGK Spark Plugs Overview

NGK Spark Plugs For Harley Big Twin 1948-1974

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Size: R5670-5

Blemished/Refurbished

This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

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NGK Spark Plugs For Harley

The central electrode of NGK spark plugs has a unique v-groove that increases ignitability and decreases quenching. Increased heat dissipation and a lower danger of overheating are provided by the 98% pure copper core.

Features:

Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Triple seals prevent leakage
Corrugated ribs prevent flashover
Copper core aids in heat removal
Thread reach 9.5 MM (3/8")
Hex size 20.6 MM (13/16")
Heat range 5
Spark gap 0.8 MM / 0.031"
Sold individually

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This product is vehicle specific. Click here to select your vehicle to ensure fitment.

Harley Davidson: E 1948, 1949, 1950; EL 1948, 1949, 1950, 1951, 1952; F 1948, 1949, 1950; FL 1948-1965; FLF 1953-1964; FLFB 1965, 1966, 1967, 1968, 1969; FLH 1955-1974; FLHB 1965, 1966, 1967, 1968, 1969; FLHF 1955-1972; FLHFB 1965, 1966, 1967, 1968, 1969; Super Glide FX 1971, 1972, 1973, 1974; Super Glide FXE 1974

This item is also available for 230 other models:

Harley Davidson: Disc Glide FXDG 1983; Disc Glide FXRDG 1984; Dyna Convertible FXDS 1994-1998; Dyna Convertible FXDS 1999-2000; Dyna Fat Bob CVO/SE FXDFSE 2009-2010; Dyna Fat Bob FXDF 2008-2017; Dyna Glide Custom FXDC 1992; Dyna Glide Daytona FXDB-D 1992; Dyna Glide Sturgis FXDB-S 1991; Dyna Low Rider FXDL/I 1993-1998; Dyna Low Rider FXDL/I 1999-2017; Dyna Low Rider S FXDLS 2016-2017; Dyna Street Bob FXDB/I 2006-2017; Dyna Super Glide Custom FXDC/I 2005-2014; Dyna Super Glide CVO/SE FXDSE 2007; Dyna Super Glide CVO/SE FXDSE2 2008; Dyna Super Glide FXD/I 1995-1998; Dyna Super Glide FXD/I 1999-2010; Dyna Super Glide Sport FXDX 1999-2005; Dyna Super Glide Sport Touring FXDXT 2001-2003; Dyna Switchback FLD 2012-2016; Dyna Wide Glide CVO/SE FXDWG2 2001; Dyna Wide Glide CVO/SE FXDWG3 2002; Dyna Wide Glide FXDWG/I 1993-1998; Dyna Wide Glide FXDWG/I 1999-2017; Electra Glide Classic FLHC 1979-1982; Electra Glide Classic FLHTC/I 1983-1998; Electra Glide Classic FLHTC/I 1999-2013; Electra Glide CVO/SE FLHTCSE 2004; Electra Glide CVO/SE FLHTCSE2 2005; Electra Glide Special FLHX 1984; Electra Glide Sport FLHS 1977-1993; Electra Glide Standard FLHT 2019-2022; Electra Glide Standard FLHT/I 1983-1998; Electra Glide Standard FLHT/I 1999-2009; Electra Glide Ultra Classic FLHTCU/I 1989-1998; Electra Glide Ultra Classic FLHTCU/I 2017-2019; Electra Glide Ultra Classic FLHTCU/I 1999-2016; Electra Glide Ultra Classic Low FLHTCUL 2015-2016; Electra Glide Ultra Limited CVO/SE FLHTKSE 2017-2021; Electra Glide Ultra Limited CVO/SE FLHTKSE 2014-2016; Electra Glide Ultra Limited FLHTK 2017-2024; Electra Glide Ultra Limited FLHTK 2010-2016; Electra Glide Ultra Limited Low FLHTKL 2017-2019; Electra Glide Ultra Limited Low FLHTKL 2015-2016; Fat Bob FXEF 1979-1985; FLH 1975-1985; Freewheeler FLRT 2017-2025; Freewheeler FLRT 2015-2016; FXR2 CVO/SE 1999; FXR3 CVO/SE 1999; FXR4 CVO/SE 2000; Low Glide/Low Rider FXRS 1982-1993; Low Rider Belt FXSB 1982; Low Rider Chrome FXRC 1985-1988; Low Rider Custom FXLR 1987-1994; Low Rider FXS 1977-1982; Low Rider Sport FXRS-SP 1987-1993; Night Rod Special VRSCDX 2007-2017; Night Rod VRSCD 2006-2008; Revival FLH 2021; Road Glide 3 FLTRT 2023-2025; Road Glide Custom FLTRX 2010-2013; Road Glide CVO/SE FLTRSE3 2009; Road Glide CVO/SE FLTRSEI2 2001; Road Glide CVO/SE FLTRXSE 2018-2025; Road Glide CVO/SE FLTRXSE 2012-2013; Road Glide CVO ST FLTRXSTSE 2024-2025; Road Glide FLTR/I 1998; Road Glide FLTR/I 1999-2009; Road Glide FLTRX 2017-2025; Road Glide FLTRX 2015-2016; Road Glide Limited CVO FLTRKSE 2022-2023; Road Glide Limited FLTRK 2020-2024; Road Glide SE FLTRSEI 2000; Road Glide Special FLTRXS 2017-2023; Road Glide Special FLTRXS 2015-2016; Road Glide ST FLTRXST 2022-2023; Road Glide Ultra CVO/SE FLTRUSE 2011-2016; Road Glide Ultra FLTRU 2017-2019; Road Glide Ultra FLTRU 2011-2016; Road King Classic FLHRC/I 1998; Road King Classic FLHRC/I 1999-2013; Road King Custom FLHRS/I 2004-2007; Road King CVO/SE FLHRSE3 2007; Road King CVO/SE FLHRSE4 2008; Road King CVO/SE FLHRSE5 2013; Road King CVO/SE FLHRSE6 2014; Road King CVO/SE FLHRSEI 2002; Road King CVO/SE FLHRSEI2 2003; Road King FLHR/I 1994-1998; Road King FLHR/I 2017-2022; Road King FLHR/I 1999-2016; Road King Special FLHRXS 2017-2025; Softail Bad Boy Springer FXSTSB 1995-1997; Softail Blackline FXS 2011-2013; Softail Breakout 114 FXBRS 2018-2020; Softail Breakout 117 FXBR 2023-2025; Softail Breakout CVO/SE FXSBSE 2013-2014; Softail Breakout FXBR 2018-2019; Softail Breakout FXSB 2013-2017; Softail Convertible CVO/SE FLSTSE 2010; Softail Convertible CVO/SE FLSTSE2 2011; Softail Convertible CVO/SE FLSTSE3 2012; Softail Cross Bones Springer FLSTSB 2008-2011; Softail Custom FXSTC/I 1986-1999; Softail Custom FXSTC/I 2007-2010; Softail Deluxe CVO/SE FLSTNSE 2014-2015; Softail Deluxe FLDE 2018-2020; Softail Deluxe FLSTN/I 2005-2017; Softail Deuce CVO/SE FXSTDSE 2003; Softail Deuce CVO/SE FXSTDSE2 2004; Softail Deuce FXSTD/I 1999; Softail Deuce FXSTD/I 2000-2007; Softail Fat Bob 114 FXFBS 2018-2023; Softail Fat Bob FXFB 2018-2019; Softail Fat Boy 114 FLFBS 2018-2024; Softail Fat Boy CVO/SE FLSTFSE 2005; Softail Fat Boy CVO/SE FLSTFSE2 2006; Softail Fat Boy FLFB 2018-2025; Softail Fat Boy FLSTF/I 1990-1999; Softail Fat Boy FLSTF/I 2000-2017; Softail Fat Boy Lo FLSTFB 2010-2016; Softail Fat Boy S FLSTFBS 2016-2017; Softail FXDR 114 FXDRS 2019-2020; Softail Heritage Classic 114 FLHCS 2018-2024; Softail Heritage Classic FLHC 2018-2025; Softail Heritage Classic FLSTC/I 1987-1999; Softail Heritage Classic FLSTC/I 2000-2017; Softail Heritage FLST/I 1986-1990; Softail Heritage FLST/I 2006; Softail Heritage Springer FLSTS/I 1997-1999; Softail Heritage Springer FLSTS/I 2000-2003; Softail Low Rider FXLR 2018-2020; Softail Low Rider S FXLRS 2020-2025; Softail Low Rider ST FXLRST 2022-2025; Softail Night Train FXSTB/I 1999; Softail Night Train FXSTB/I 2000-2009; Softail Nostalgia FLSTN/I 1993; Softail Pro Street Breakout CVO/SE FXSE 2016-2017; Softail Rocker C FXCWC 2007-2011; Softail Rocker FXCW 2008-2011; Softail Slim FLS 2012-2017; Softail Slim FLSL 2018-2021; Softail Slim S FLSS 2016-2017; Softail Special FLSTN/I 1994-1996; Softail Sport Glide FLSB 2018-2021; Softail Springer Classic FLSTSC/I 2005-2007; Softail Springer CVO/SE FXSTSSE 2007; Softail Springer CVO/SE FXSTSSE2 2008; Softail Springer CVO/SE FXSTSSE3 2009; Softail Springer FXSTS/I 1988-1999; Softail Springer FXSTS/I 2000-2006; Softail Standard FXST 2020-2024; Softail Standard FXST/I 1984-1999; Softail Standard FXST/I 2000-2012; Softail Street Bob 114 FXBBS 2021-2024; Softail Street Bob FXBB 2018-2025; Sport Glide FXRT 1983-1992; Sport Glide Grand Touring FXRD 1986; Sportster Custom XL1200C 1996-2019; Sportster Custom XL883C 1998-2009; Sportster Deluxe XLH883DLX 1989-1992; Sportster Forty-Eight Special XL1200XS 2018-2019; Sportster Forty-Eight XL1200X 2010-2022; Sportster Hugger XLH883HUG 1988-2003; Sportster Iron XL1200NS 2018-2021; Sportster Iron XL883N 2009-2022; Sportster Low/SuperLow XL883L 2005-2019; Sportster Low XL1200L 2006-2011; Sportster Nightster XL1200N 2007-2012; Sportster Roadster XL1200CX 2016-2020; Sportster Roadster XL1200R 2004-2008; Sportster Roadster XL883R 2002-2012; Sportster Seventy-Two XL1200V 2012-2016; Sportster Sport XL1200S 1996-2003; Sportster SuperLow XL1200T 2014-2017; Sportster XL883 2004-2009; Sportster XLH1100 1986-1987; Sportster XLH1200 1988-2003; Sportster XLH883 1986-2003; Street 500 XG500 2015-2020; Street 750 XG750 2015-2020; Street Glide CVO/SE FLHXSE 2017-2025; Street Glide CVO/SE FLHXSE 2010-2016; Street Glide CVO/SE FLHXSE2 2011; Street Glide CVO/SE FLHXSE3 2012; Street Glide FLHX/I 2017-2025; Street Glide FLHX/I 2006-2016; Street Glide Special FLHXS 2017-2023; Street Glide Special FLHXS 2014-2016; Street Glide ST FLHXST 2022-2023; Street Glide Trike FLHXXX 2010-2011; Street Glide Ultra FLHXU 2025; Street Rod VRSCR 2006-2007; Street Rod XG750A 2017-2020; Sturgis FXB 1980-1982; Super Glide FX 1975-1979; Super Glide FXE 1975-1985; Super Glide FXR 1986-1994; Super Glide II FXR 1982-1983; Tour Glide Classic FLTC/I 1979-1991; Tour Glide FLT 1979-1986; Tour Glide Ultra Classic FLTCU/I 1989-1996; Tri Glide CVO/SE FLHTCUTGSE 2020-2022; Tri Glide Ultra Classic FLHTCUTG 2017-2025; Tri Glide Ultra Classic FLHTCUTG 2009-2016; Ultra Classic Electra Glide CVO/SE FLHTCUSE 2006; Ultra Classic Electra Glide CVO/SE FLHTCUSE2 2007; Ultra Classic Electra Glide CVO/SE FLHTCUSE3 2008; Ultra Classic Electra Glide CVO/SE FLHTCUSE4 2009; Ultra Classic Electra Glide CVO/SE FLHTCUSE5 2010; Ultra Classic Electra Glide CVO/SE FLHTCUSE6 2011; Ultra Classic Electra Glide CVO/SE FLHTCUSE7 2012; Ultra Classic Electra Glide CVO/SE FLHTCUSE8 2013; V-Rod CVO/SE VRSCSE 2005; V-Rod CVO/SE VRSCSE2 2006; V-Rod Muscle VRSCF 2009-2017; V-Rod VRSCA 2002-2006; V-Rod VRSCAW 2007-2010; V-Rod VRSCB 2004-2005; V-Rod VRSCX 2007; Wide Glide FXWG 1980-1986; XL 1979-1984; XLCH 1979; XLH1000 1979-1985; XLS Roadster 1979-1985; XLX-61 1983-1985; XR1000 1983-1985; XR1200/XR1200X 2008-2012

Product Style	Item #	Store SKU	Manufacturer Product #	Availability
Product Style R5670-5	Item # 10369747	Store SKU	Manufacturer Product # R5670-5	Availability In Stock: Ships next business day

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