632
Chrome Sparkies to fit perfectly
on a spark hex for Big Twin 14mm,
pre1999 models, pair.
Accel Spark Plugs are available in U-Groove or Platinum type. U-Groove features a U-
shaped electrode, sintered alumina insulator and a copper/nickel alloy electrode. Platinum
type features a Platinum tip electrode and a pure copper center electrode.
Engine Fits
Pk No. Gap Plug
U-Groove Platinum
Shovel 1982-84 FL-FX
2417 .040 997
1340
1978-81 FL-FX
2410 .040
—
Hotter
2410A .040 496
1200
1975-80 FL-FX-FXS
2410 .040
—
with Electric Ignition
2410A .040 496
1975-77 FL-FX-FXS
2403 .040
—
without Electric Ignition
Hotter
2403A .025 116
1948-74 FL-FX
2401 .025 137
—
2401A .025 138
—
*Note: Heat range warmer than the stock kit listed.
Spark Plug
Bosch Spark Plugs sold in pairs. Available in Super, Platinum and Silver type.
Super: Copper core, nickel, plated electrode and polled threads.
Platinum: Platinum center electrode, tapered ground electrode and lower ignition voltage require-
ment. Silver: Hard silver center electrode, extended service life.
Platinum +4: Four Yttrium-enhanced ground electrodes pure platinum center. Electrode never
requires gapping.
Engine Fits
HD#
Super
Platinum Silver
Platinum +4
Shovel 1982-83 FL-FX
1340
1980-81 FL-FX
1984 FXE-FXWG
1978-79 FL-FX
Shovel 1975-80 FL-FX
1200
1948-74 FL-FX
3-4
—
—
Factory Spark Plugs. Most have copper coated electrodes for
foul resistance. Sold in pairs.
VT No. OEM
Mfg# Fits
4R 1948-74 FLH-FX
32-8918 32301-60 3-4 1948-74 FLH-FX
32-8907 32312-78A 5RL 75-84 Shovelhead
SplitFire Spark Plugs incorporate a patented Split -V
Electrode which creates an aggressive flame kernel for
improved combustion efficiency. Pairs. Split Fire3® features
three platinum surfaces and a fine wire tip that requires less
voltage to fire.
Heat
SplitFire
3
Standard Ran g e
Fits
1975-81 Shovel 1200-1340
Chrome Spark Plug
Holder clamps to the
rear frame tube on
Rigid Big Twins
behind the oil tank.
Holds 2 spark plugs.
