Vintage Spark Plugs

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Vintage Spark Plugs from K and G Cycles!
19 products

19 products

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V-Twin Manufacturing Conversion 18mm Spark Plug Set, 1929-1952
V-Twin Manufacturing
$73.38
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V-Twin Manufacturing Spark Plug Alloy Retro Cool Fin, fits 14mm or 18mm
V-Twin Manufacturing
$24.02
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V-Twin Manufacturing Spark Plug Holder With Clamps, Chrome, BT
V-Twin Manufacturing
$27.71
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V-Twin Manufacturing Sparkies, Chrome Plated Die Cast Covers, 99 BT
V-Twin Manufacturing
$7.86
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V-Twin Manufacturing Autolite Standard Spark Plug #4265, 1975-84 Shovelheads, 10 pack
V-Twin Manufacturing
$38.07
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V-Twin Manufacturing Autolite Standard Spark Plug, 1948-74 Pan & Shovel, 10 pack
V-Twin Manufacturing
$30.85
Sold Out
V-Twin Manufacturing Autolite Platinum Plug, 1978-81 1340cc All Models, 1975-80 1200cc FLH-FX-FXE,
V-Twin Manufacturing
$21.94
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V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX
V-Twin Manufacturing
$20.06
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V-Twin Manufacturing Champion Spark Plug, 1978-79 FL-FX
V-Twin Manufacturing
$20.06
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V-Twin Manufacturing Champion 18mm Spark Plugs, 1936-1952
V-Twin Manufacturing
$23.75
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V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX
V-Twin Manufacturing
$23.88
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V-Twin Manufacturing Champion Plug ,4 Piece, 1975-80 FL-FX
V-Twin Manufacturing
$19.88
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V-Twin Manufacturing 240 degree Accel Plugs, 1975-77 FL-FX-FXS
V-Twin Manufacturing
$11.86
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V-Twin Manufacturing Accel Spark Plugs 2417, 1982-84 FL-FX
V-Twin Manufacturing
$9.86
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V-Twin Manufacturing Spark Plug Adapter Sleeve Set, 1936-1947 EL-FL models
V-Twin Manufacturing
$26.02
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V-Twin Manufacturing Spark Plug Indexer 14mm
V-Twin Manufacturing
$27.15
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V-Twin Manufacturing Heli-Coil Swing Sav-A-Thread Kit
V-Twin Manufacturing
$73.28
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V-Twin Manufacturing Sav-A-Thread Tool 1/2" Insert
V-Twin Manufacturing
$13.94
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V-Twin Manufacturing Sav-a-thread tool 3/4" spark plug insert
V-Twin Manufacturing
$13.94
V-Twin Manufacturing Conversion 18mm Spark Plug Set, 1929-1952 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Conversion 18mm Spark Plug Set, 1929-1952

VT-49-0976

$73.38

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V-Twin Manufacturing Conversion 18mm Spark Plug Set, 1929-1952 - Kit

Spark plug conversion nipple set features replica air cooled styling when used with standard D-16 inner plugs sold separately.
Conversion set is for 18mm spark plugs. Order spark plugs separately.


WL 1929-1952
UL 1937-1948
EL 1936-1940
V-Twin Manufacturing Spark Plug Alloy Retro Cool Fin, fits 14mm or 18mm Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Spark Plug Alloy Retro Cool Fin, fits 14mm or 18mm

VT-49-0176

$24.02

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V-Twin Manufacturing Spark Plug Alloy Retro Cool Fin, fits 14mm or 18mm - Set

Spark plug cool fin fits early type spark plugs with screw terminals to fit 14mm or 18mm.


All Models
V-Twin Manufacturing Spark Plug Holder With Clamps, Chrome, BT Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Spark Plug Holder With Clamps, Chrome, BT

VT-42-0318

$27.71

In Stock

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V-Twin Manufacturing Spark Plug Holder With Clamps, Chrome, BT - Sold Each

Chrome spark plug holder clamps to the rear frame tube behind the oil tank on rigid Big Twins.
Spark plug holder holds two spark plugs.


All models
V-Twin Manufacturing Sparkies, Chrome Plated Die Cast Covers, 99 BT Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Sparkies, Chrome Plated Die Cast Covers, 99 BT

VT-37-8952

$7.86

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V-Twin Manufacturing Sparkies, Chrome Plated Die Cast Covers, 99 BT - Set

Chrome die cast spark plug cover fits perfectly on a spark h ex for Big Twin 14mm pre 1999 models.


FL 1948-1984
FX 1971-1984
FXST 1984-1999
FLST 1986-1999
FLT 1979-1999
FXR 1982-1994
FXD 1991-1999
XL 1957-1985
V-Twin Manufacturing Autolite Standard Spark Plug #4265, 1975-84 Shovelheads, 10 pack Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Autolite Standard Spark Plug #4265, 1975-84 Shovelheads, 10 pack

VT-32-9297

$38.07

In Stock

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V-Twin Manufacturing Autolite Standard Spark Plug #4265, 1975-84 Shovelheads, 10 pack - Pack

Autolite spark plugs are standard type.


FXST 1984-1998
FLST 1986-1998
FX 1975-1981
FL 1975-1981
FXS 1975-1980
FLT 1984-1998
FXR 1984-1994
FXD 1991-1994
V-Twin Manufacturing Autolite Standard Spark Plug, 1948-74 Pan & Shovel, 10 pack Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Autolite Standard Spark Plug, 1948-74 Pan & Shovel, 10 pack

VT-32-9296

$30.85

In Stock

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V-Twin Manufacturing Autolite Standard Spark Plug, 1948-74 Pan & Shovel, 10 pack - Pack

Autolite spark plugs are standard type.


FL 1948-1974
FX 1971-1974
V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX

VT-32-8074

$20.06

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V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX - Pack

These Champion copper plus spark plugs are one heat range hotter than stock replacement plugs. The Spark plug gap is .025".


FX 1971-1974
FL 1948-1974
V-Twin Manufacturing Champion Spark Plug, 1978-79 FL-FX Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Champion Spark Plug, 1978-79 FL-FX

VT-32-7602

$20.06

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V-Twin Manufacturing Champion Spark Plug, 1978-79 FL-FX - Pack

Copper plus style Champion spark plugs have a gap of .040".


FX 1978-1979
FL 1978-1979
V-Twin Manufacturing Champion 18mm Spark Plugs, 1936-1952 Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Champion 18mm Spark Plugs, 1936-1952

VT-32-7546

$23.75

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V-Twin Manufacturing Champion 18mm Spark Plugs, 1936-1952 - Pack

These 18mm spark plugs are D-16 type.


WL 1929-1952
EL 1936-1940
UL 1937-1947
FL 1941-1947
V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX

VT-32-7543

$23.88

In Stock

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V-Twin Manufacturing Champion Spark Plugs, 1948-74 FL-FX - Pack

Copper plus style Champion spark plugs have a gap of .025".


FX 1971-1974
FL 1948-1974
V-Twin Manufacturing Champion Plug ,4 Piece, 1975-80 FL-FX Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Champion Plug ,4 Piece, 1975-80 FL-FX

VT-32-7540

$19.88

In Stock

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V-Twin Manufacturing Champion Plug ,4 Piece, 1975-80 FL-FX - Pack

Copper plus style spark plugs have a .040 gap.


FXST 1984-1998
FLST 1986-1998
FX 1975-1981
FL 1975-1981
FXD 1991-1994
FXS 1975-1980
FLT 1984-1998
FXR 1984-1994
V-Twin Manufacturing 240 degree Accel Plugs, 1975-77 FL-FX-FXS Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing 240 degree Accel Plugs, 1975-77 FL-FX-FXS

VT-32-0236

$11.86

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V-Twin Manufacturing 240 degree Accel Plugs, 1975-77 FL-FX-FXS - Set

Accel spark plug set is U-Groove type which features a U-shaped electrode, sintered alumina insulator and a copper/nickel alloy electrode. Spark plug gap measures .040".
Sold in a quantity of 2.


FX 1975-1977 with electric ignition
FL 1975
V-Twin Manufacturing Accel Spark Plugs 2417, 1982-84 FL-FX Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Accel Spark Plugs 2417, 1982-84 FL-FX

VT-32-0148

$9.86

In Stock

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V-Twin Manufacturing Accel Spark Plugs 2417, 1982-84 FL-FX - PR

Accel spark plug set is U-Groove type which features a U-shaped electrode, sintered alumina insulator and a copper/nickel alloy electrode. Spark plug gap measures .040.
Sold in a quantity of 2.


FX 1982-1984
FL 1982-1984
V-Twin Manufacturing Spark Plug Adapter Sleeve Set, 1936-1947 EL-FL models Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Spark Plug Adapter Sleeve Set, 1936-1947 EL-FL models

VT-32-0057

$26.02

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V-Twin Manufacturing Spark Plug Adapter Sleeve Set, 1936-1947 EL-FL models - PR

Spark plug adapter sleeve kit allows 14mm plugs to be used in earlier heads with 18mm spark plug threads.
Sold in a quantity of 2.


EL 1936-1940
FL 1941-1947
V-Twin Manufacturing Spark Plug Indexer 14mm Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Spark Plug Indexer 14mm

VT-16-0623

$27.15

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V-Twin Manufacturing Spark Plug Indexer 14mm - Sold Each
Spark Plug Indexer fits 14mm plugs allows electrode to be placed in proper position.Tool
V-Twin Manufacturing Heli-Coil Swing Sav-A-Thread Kit Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Heli-Coil Swing Sav-A-Thread Kit

VT-16-0044

$73.28

In Stock

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V-Twin Manufacturing Heli-Coil Swing Sav-A-Thread Kit - Kit
Sav-A-Thread Tool Kit Heli-coil sav-a-thread tool kit for all spark plugs includes 14mm top, insertion tool and three inserts. Kit repairs spark plug holes for 14mm short or long reach plugs on aluminum heads. Fits: All mod
V-Twin Manufacturing Sav-A-Thread Tool 1/2" Insert Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Sav-A-Thread Tool 1/2" Insert

VT-16-0043

$13.94

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V-Twin Manufacturing Sav-A-Thread Tool 1/2" Insert - Sold Each
Sav-A-Thread Tool 1/2" Insert Heli-coil sav-a-thread tool spark plug insert. Fits: All models UOM: 1 - EA Country of Origin: USA
V-Twin Manufacturing Sav-a-thread tool 3/4" spark plug insert Vintage V-Twin Manufacturing - K and G Cycles
V-Twin Manufacturing

V-Twin Manufacturing Sav-a-thread tool 3/4" spark plug insert

VT-16-0042

$13.94

In Stock

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Shipping calculated at checkout.
V-Twin Manufacturing Sav-a-thread tool 3/4" spark plug insert - Sold Each
Sav-A-Thread Tool 3/4" Insert Sav-a-thread tool 3/4" spark plug insert. Fits: All models UOM: 1 - EA Country of Origin: USA