Champion 854 Spark Plug
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Champion
 Copper Plus

Champion 854 Spark Plug

Brand Champion 854
Center Electrode Diameter (Inch) 0.094
Center Electrode Tip Material Nickel
Classification Champion Copper Plus Small Engine
Electrical Terminal Type Removable Nut
Ground Electrode Core Material Nickel
Ground Electrode Material Nickel Copper Alloy
Ground Electrode Quantity 1
Hex Size 0.813
Hex Size 20.650
Hex Type Hex
Installed Height (Inch) 2.15
Manufacturer Heat Range 10
Plug Type RH10C
Pre-Gap Size 0.030
Pre-Gap Size 0.78
Reach 0.438
Resistor Type Yes
Seat Type Flat
Taper Diameter (Inch) 0.31
Thread Diameter 0.551
Thread Diameter 14.000
Product line Copper Plus
Fits Harley Davidson, Simca, American Motors, Moskvich, Studebaker, Renault, Citroen, Nash, Hudson, Marathon, Allard, Ford, Lincoln, Mercury, Peugeot, Chrysler, DeSoto, Plymouth, American Bantam, Dodge, Fargo, Graham, Pierce-Arrow, Cord, Auburn, and Reo · 32 vehicles

Copper core electrode. Improves conductivity and heat control for steady wear.

Resistor type. Helps reduce electrical noise for smoother ignition performance.

Champion Copper Plus spark plug with dependable performance.

Cross-references Champion Spark Plug 225, OSC 227 and 14RL7 for the same application. See all 19.

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Champion Copper Plus 854 Spark Plug

Champion Copper Plus 854 is a secondary ignition spark plug built for dependable performance in a range of classic Ford, Lincoln, and Chrysler applications. Its copper core electrode supports conductivity and heat control, while the nickel center and ground electrode materials are selected for steady wear characteristics.

Key Features

  • Copper core electrode for improved conductivity and heat management
  • Nickel center electrode tip and nickel copper alloy ground electrode
  • Resistor type spark plug with a removable nut terminal
  • Flat seat design with 0.030 pre-gap size
  • Champion Copper Plus Small Engine classification
  • Part number 854 / plug type RH10C

Product Details

The Champion Copper Plus line focuses on consistent ignition performance with a copper core design that helps manage heat and maintain conductivity. This Champion 854 spark plug uses a 14 mm thread diameter, 0.438 reach, 0.813 hex size, and a flat seat configuration. It is a resistor spark plug with a removable nut terminal, making it a direct-match option for applications calling for RH10C specifications. For buyers searching for Champion 854 spark plug fitment, this part is listed for 1953-1954 Ford F-100, F-250, and F-350, plus select Lincoln and Chrysler models from the 1930s and 1940s. This part cross-references Champion Spark Plug 225 for the same application.

What It Helps Address

  • Hard starting caused by worn or inconsistent spark plugs
  • Misfire concerns related to degraded secondary ignition performance
  • Heat buildup at the plug tip in older ignition systems
  • Rough idle or uneven combustion from aged plugs
  • Service replacement needs for RH10C-style applications

Installation Notes and Fitment

Verify plug type RH10C, 0.030 gap, flat seat, and 14 mm thread before installation. Use the listed gap specification for the vehicle application, and confirm the removable nut terminal matches the ignition lead connection. Compatible With 1953-1954 Ford F-100, 1953-1954 Ford F-250, and 1953-1954 Ford F-350. Compatible With 1945 Lincoln Continental and 1940-1941 Lincoln Continental. Compatible With 1939-1942 Chrysler New Yorker, 1941-1942 Chrysler Town & Country, and 1937-1939 Chrysler Imperial. Compatible With 1936-1942 Lincoln Zephyr. For searches such as Champion 854 Ford F-100 spark plug or Champion 854 Lincoln Zephyr spark plug, confirm the engine’s specified gap and plug type before service.

Quality Assurance

Champion’s Copper Plus construction uses a copper core electrode to support conductivity and heat control, with nickel-based electrode materials for steady wear in service. The part is built to the published RH10C specification for the listed applications.

Related reading

This part fits 32 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1954FordF-1003.9LV8N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1954FordF-1003.6LL6N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1954FordF-2503.9LV8N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1954FordF-2503.6LL6N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1954FordF-3503.9LV8N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1954FordF-3503.6LL6N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1953FordF-1003.9LV8N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1953FordF-1003.5LL6N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1953FordF-2503.9LV8N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1953FordF-2503.5LL6N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1953FordF-3503.9LV8N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1953FordF-3503.5LL6N/AResistor Type; Gap 0.030 (in); Plug Type Number RH10C; Copper Plus
1945LincolnContinental-L--N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1942ChryslerNew Yorker5.3LL8N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1942ChryslerTown & Country4.1LL6N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1942LincolnZephyr5.0LV12N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1942LincolnZephyr4.8LV12N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1941ChryslerNew Yorker-L--N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1941ChryslerTown & Country4.0LL6N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1941LincolnContinental-L--N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1941LincolnZephyr-L--N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1940ChryslerNew Yorker-L--N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1940LincolnContinental-L--N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1940LincolnZephyr-L--N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1939ChryslerImperial-L--N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1939ChryslerNew Yorker-L--N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1939LincolnZephyr4.4LV12N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1938ChryslerImperial-L--N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1938LincolnZephyr4.4LV12N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1937ChryslerImperial4.5LL8N/AFits with Aluminum Head, gap of 0.025 inches, plug type number RH10C; Copper Plus
1937LincolnZephyr4.4LV12N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
1936LincolnZephyr4.4LV12N/AResistor Type; Gap 0.025 (in); Plug Type Number RH10C; Copper Plus
Directly replaces or cross-references 19 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Champion Spark Plug — 225OSC — 22714RL7235041S25132102513210S4713205SAM37129ARL8ARL82CR45LR45LSRH10RH10CWR9A0XH10XH10JXH11XH12