Lexus 3UZ-FE Specs
Lexus 3UZ-FE engine specs: 263 ci (4.3L), 8-cylinder, 3.5827" bore x 3.248" stroke, 10.5:1 compression.
Dimensions
| Displacement | 263 ci / 4.3 L |
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| Bore | 3.5827" |
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| Stroke | 3.248" |
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| Cylinders | 8 |
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| Compression ratio | 10.5:1 |
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| Bore/stroke ratio | 1.103 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 300 hp |
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What these numbers mean
| Bore/stroke character | 1.103 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,248 ft/min — conservative for a street engine |
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| Displacement per cylinder | 32.9 ci |
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| Static compression | 10.5:1 — in the range that usually runs on pump premium |
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Vehicles (3)
- Lexus LS 430
- Lexus SC 430
- Lexus GS 430
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