My Account | My Garage | Commercial/Dealer Login | Order Status |
Contact Customer Support
M-F: 9am-6pm ET
Sat: 9am-5pm ET
| 1-877-737-2787
Shopping Cart

Over 1,000,000 Orders Shipped Since 1997!

RY4C 978 Spark Plug

Champion RY4C 978 Spark Plug

Part#:  RY4C
There are no reviews at this time.
Champion OEM Part



978 Spark Plug

Fits Model


Also Fits Model


Replaces OEM



Type Resistor
Reach: 9.5mm
Seat Type: Tapered
Heat Range: 4
Terminal Type: Solid
REF. NO. 978
Thread 10mm
Hex Size 5/8"

Customer Reviews for the 978 Spark Plug

There are no reviews for this product at the time.

Questions & Answers for the Champion RY4C

Ask us about the Champion RY4C 978 Spark Plug. Please no repair questions. Your Q&A may be posted to to help other shoppers, like you, with their purchasing decisions. Thank you.

Repair Tips For Champion RY4C

No repair tips at this time.

back to top