Champion stk 221 - Alternative spark plugs
There is 1 replacement spark plug for Champion stk 221. The cross references are for general reference only, please check specifications for your application.
Compatible plug on Amazon
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Specifications for Champion stk 221
- Thread diameter
- M14x1.25
- Thread reach
- 9.5 mm
- Hex size
- 21 mm
- Terminal
- M4/SAE
Champion stk 221 replacement spark plugs
Indirect matches
There are 1 replacements for Champion stk 221. These are indirect matches for Champion stk 221.
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Replacement spark plugs for Champion stk 221 on Amazon
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