| skos:altLabel | - I
- straight
- I4
- Straight
- two-cylinder
- inline
- in line
- I4 engine
- In-line or straight engine
- Inline engine
- Inline piston engine
- \"straight\" (inline) layout
- air-cooled inline
- air-cooled inline engine
- four-cylinder in-line engine
- in-line
- in-line engine
- in-line engines
- inline (or straight) engine
- inline diesel engines
- inline engine
- inline engines
- inline or straight
- inline piston engine
- inline-layout
- inverted in-line engine
- inverted in-line piston engine
- inverted inline
- inverted piston engine
- slant 4
- slant four engine
- straight (inline) engine
- straight 8
- straight engine
- straight or inline configuration
- straight six
- straight-6
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