Skip to content
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!

CHAMPION J-12-YC 10 Copper Plus™ Spark Plug — Copper Plus Spark Plug - J12YC

Availability:
9 in stock, ready to be shipped
Original price $4.95 - Original price $4.95
Original price
$4.95
$4.95 - $4.95
Current price $4.95

Features

  • Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
  • Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
  • Patented Ultraseal™ coated shell for rust prevention
  • Made in the USA

Specs

Center Electrode Type Standard
Electrode Tip Material Nickel Alloy
Hex Size 20.6 mm
Model J12YC
Style Copper Plus
Riding Style Street
Heat Range 12
Thread Reach 9.5 mm
Model Copper Plus
Terminal Configuration Solid Terminal
Center Electrode Projection Projected
Type Non-Resistor
Units Each
Ground Electrode Configuration Single
Ground Electrode Shape Standard
Product Name Spark Plug









1948 Harley-Davidson FL
1949-1952 Harley-Davidson EL
1949-1951,1953-1957 Harley-Davidson Hydra Glide FL
1953-1957 Harley-Davidson Hydra Glide EL
1958-1964 Harley-Davidson Duo Glide FL
1958-1964 Harley-Davidson Duo-Glide FLH
1965-1969 Harley-Davidson 1200 Electra Glide FLH
1965-1974 Harley-Davidson Electra Glide FL
1970-1974 Harley-Davidson Electra Glide FLH
1971-1974 Harley-Davidson Super Glide FX
1974 Harley-Davidson Super Glide FXE

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.