503 / 1600
HELMETS
HELMET
ACCESSORIES
EYEWEAR
APPAREL
PROTECTIVE
SURVIVAL /
BAGS
VIDEOS
SNOWMOBILE
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SNOWBIKE
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TRAILERS
ELECTRICAL
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STEERING /
CONTROLS
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WINDSHIELDS
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ACCESSORIES
TRACKS /STUDS /
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SUSPENSION
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FRONT
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RUNNERS
BRAKES
CHAIN /
SPROCKETS
BELTS
CLUTCHING
CHEMICALS
TOOLS /
FASTENERS
PROMOTIONAL
REFERENCE
INDEX
x
X X
X
X
503
SPARK PLUGS
A CHAMPION PLUG DESIGNED TO
HELP TODAY'S AND
TOMORROW'S ENGINES
RUN AT PEAK EFFICIENCY.
FEATURES AND BENEFITS
WIDER-BASE
INSULATOR
Unique design provides a
wider, easier path to speed
the transfer of heat.
THERMAL-BONDING
A specially developed com-
pound between the center
electrode and the insulator
nose helps to move heat
through and away from the
plug firing end.
COPPER-NUCLEUS
CENTER-ELECTRODE
Pure copper inside the
chrome-nickel electrode
transfers combustion heat
away rapidly.
LONGER INSULATOR
NOSE
Can tolerate up to twice the
amount of combustion depos-
its before fouling.
EXCLUSIVE NICKEL-
ALLOY
Rapidly transfers heat from
firing end of plug, protects
the electrode core and resists
erosion and corrosive ele-
ments of combustion.
Copper Plus Non-
Resistor
Copper Plus Resistor
Thread Size
Reach Hex size
Heat
Range WPS#
List
WPS#
List
Projected Tip
C
1-RA4HC
$3.25
14mm
1/2”
13/16”
C
1-L77JC4 $2.95
14mm
1/2”
11/16”
1-L82YC
2.95
Projected Tip
14mm
3/4”
13/16”
H
1-RN57YCC* $3.50
1-RN3C
3.25
C
1-RN2C
3.25
• American Made
• Dependable
• Excellent Performance
• Used by Formula 1 Champ Michael
Shumacher in Benetton-Renault
• 324 Grand Prix Victories
• Sold in box quantities, priced each
Sold in BOX quantity of 4, priced each
* Fits Polaris 600, 700, 800 ‘05-11
ELECTRICAL