| RHS™ -Spark Plugs For All Of Your Street And Competition Needs!
Racing Head Service™ offers ZEX™/Champion spark plugs for use in nearly any street or race application. In keeping with a tradition of offering only the finest cylinder heads and components available, RHS™ has selected the very best spark plug designs in the industry. Street or track, nitrous injected, boosted, or normally aspirated, we’ve got the right spark plug for the job!
RHS™/ZEX™ High Performance Street/Strip Spark Plugs
ZEX™ spark plugs are designed to deliver more horsepower-producing spark energy than any other plug on the market. Featuring the exclusive Igniter Core™ technology, ZEX™ spark plugs outperform both platinum and iridium in heat and spark transfer ability. ZEX™ spark plugs also feature Clean Fire™ technology- a triple ground strap design that serves to super clean the center electrode of the plug, burning away carbon deposits and ensuring maximum ignition energy. ZEX™ spark plugs are brought to you as the ultimate street performance plug, bar none.
RHS™/Champion Competition Grade Spark Plugs
Champion has a racing heritage that spans most of its 100 years. Champion spark plugs have produced the last five of six NASCAR Cup Champions, the last six NHRA Top Fuel Champions and nearly 400 wins in Formula 1 - more than all other plug manufacturers combined. Champion plugs provide maximum heat dissipation and conductivity to reach operating temperatures quickly and maintain stable operating temperatures under varying engine loads. RHS™ delivers this technology to you in the form of our RHS™ /Champion competition spark plugs.
Please see the chart below for a listing of spark plug part numbers and applications to match every RHS™ cylinder head. If you don’t see your application below, please call RACING HEAD HELP™ at (877) 776-4323 for further assistance.
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| RHS™ Spark Plug Charts |
| CHEVY SMALL BLOCK |
| Cylinder Head Model |
Usage |
Spark Plug Brand / Model |
RHS Part # |
Dimensions |
| RHS™ cast iron |
street/strip |
ZEX™ POWER TUNE™ |
#82070
|
14mm, .708" reach, 5/8" hex |
| RHS™ cast iron |
race |
Champion / #S57YC |
#82209
|
14mm, .708" reach, 5/8" hex |
| Pro Topline cast iron |
street/strip |
Champion / #V57C |
#82211
|
14mm, .450" reach, 5/8" hex |
| Pro Topline cast iron |
race |
Champion / #V57C |
#82212
|
14mm, .450" reach, 5/8" hex |
| RHS™ aluminum |
street/strip |
ZEX™ HYPERFORMANCE™ |
#82003
|
14mm, .750" reach, 5/8" hex |
| RHS™ aluminum |
race |
Champion / #C57YC |
#82216
|
14mm, .750" reach, 5/8" hex |
| CHEVY BIG BLOCK |
| Cylinder Head Model |
Usage |
Spark Plug Brand / Part Number |
RHS Part # |
Dimensions |
| RHS™ aluminum/cast iron BBC |
street/strip |
ZEX™ HYPERFORMANCE™ |
#82003
|
14mm, .750" reach, 5/8" hex |
| RHS™ aluminum/cast iron BBC |
race |
Champion / #C57YC |
#82216
|
14mm, .750" reach, 5/8" hex |
| GEN III LS1, LS2, LS6 |
| Cylinder Head Model |
Usage |
Spark Plug Brand / Part Number |
RHS Part # |
Dimensions |
| RHS™ aluminum GEN III |
street/strip |
ZEX™ HYPERFORMANCE™ |
#82003
|
14mm, .750" reach, 5/8" hex |
| RHS™ aluminum GEN III |
race |
Champion / #C57YC |
#82216
|
14mm, .750" reach, 5/8" hex |
| FORD SMALL BLOCK |
| Cylinder Head Model |
Usage |
Spark Plug Brand / Part Number |
RHS Part # |
Dimensions |
| RHS™ cast iron SBF |
street/strip |
Champion / #V57C |
#82211
|
14mm, .450" reach, 5/8" hex |
| RHS™ cast iron SBF |
race |
Champion / #V57C |
#82212
|
14mm, .450" reach, 5/8" hex |
| RHS™ aluminum SBF |
street/strip |
ZEX™ HYPERFORMANCE™ |
#82003
|
14mm, .750" reach, 5/8" hex |
| RHS™ aluminum SBF |
race |
Champion / #C57YC |
#82216
|
14mm, .750" reach, 5/8" hex |
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