Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. It resists fouling and offers superior corrosion resistance, ensuring long-lasting durability. With dependable and proven performance, this spark plug is designed to keep your small engine running smoothly and efficiently.
Product Features:
Resists fouling
Superior corrosion resistance
Dependable and proven performance
Increased conductivity and heat control for good overall wear
Copper Core Electrode: Provides increased conductivity and heat control for good overall wear.
Long-Lasting Durability: Engineered for extended use, maintaining performance over time.
Specifications
Thread Diameter:
0.551 in
Resistor Type:
No
Reach:
0.75 in
Manufacturer Heat Range:
3
Hex Size:
0.813 in
Ground Electrode Quantity:
1
Ground Electrode Core Material:
Nickel Copper Alloy
Electrical Terminal Type:
Removable Nut
Center Electrode Tip Material:
Nickel Copper Alloy
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728 Customer Reviews
95%of respondents would recommend this to a friend
Ratings Distribution
5 Stars
638
4 Stars
66
3 Stars
11
2 Stars
1
1 Star
12
Pros
36
Easy To Install
36
Improves Engine Efficiency
22
Durable
21
Increases Power
5
Lightweight
Cons
4
Difficult To Install
3
none
2
None
1
No Improvement In Performance
1
NA
Best Uses
39
Everyday Driving
38
Replacement
12
Restoration
9
Performance Driving
3
Racing
Car & Truck
15
Auto Enthusiast
13
Casual Driver
6
Mechanic
6
Truck Enthusiast
1
Car
Describe Yourself
8
Auto Enthusiast
8
Casual Driver
8
Mechanic
2
Competitive Driver
1
Truck Enthusiast
Most Liked Positive Review
Only trust champion in my Mopars
I only use Champion spark plugs in my Mopars and always will. Great plug for a great price.
Most Liked Negative Review
Don't Trust an On-Line Order
Made this an on-line order for four (4) spark plugs; waited about one hour and went to store for parts pick-up. They handed me a pack of the WRONG spark plugs. Waited until the guy actually found the correct ones, BUT they only had three (the on-line computer system said they had four.) Get this--since the order was "on line," it was not yet 'fully processed,' so the Parts Clerk was unable to re-write the order for 3 plugs, nor give me a credit. Waited in the store until the on-line order was FINALIZED. Wasted much time and after a while I said: "Look, just cancel the whole order, and I'll pay cash for the three plus you've got." This resulted in me LOOSING my cool 25% discount. What a colossal PITA!
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Will this work on a 289 with hei ignition
Verified Reply - John the Car-Doc
Hi Ron! Since you didn't mention the specific vehicle, it's hard to tell for sure. To give you the correct information I would need the year, make, model, and engine size of the vehicle.
Is this compatible with champion UL-77V
Verified Reply - John the Car-Doc
No, Tony. This Champion Copper Plus Small Engine- Boxed - L77JC4 - Part # 821 does not replace the Champion Nickel Spark Plug - UL77V - Part # 831. However, we do offer the NGK OE Series Standard Nickel Spark Plug: Surface Discharge Tip Design, BUHXW-1 - Part # 5526 online. It replaces your Champion part # UL77V.
What Socket/Drive size do I need for this plug?
Verified Reply - Steve
Hi Amit, I'm glad to help you! This Champion Copper Plus Small Engine (Part # 868) will work fine with 13/16"- inch spark plug socket.
Can a RJ19LM spark plug be replaced with a Champion RC12YC
Verified Reply - Steve
No, Charles, this Champion Copper Plus Small Engine (Part # 868) is not equivalent for Champion RC12YC spark plug.
Why can't I order it now?
Verified Reply - Solomon
Hi William, happy to help you! We do handle only technical questions regarding product fitments, specifications, diagnosis and repairs. For order related inquiries, please feel free to call us at: 1-877-ADVANCE (238-2623) or contact our "Live Chat" support and one of our representatives will gladly assist you with any questions or concerns you may have.
Displaying Question & Answer 1-5
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