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The standard power of your GMC Yukon 6.2 V8 420hp vehicle is factory 420 hp / 610 nm. After GMC Yukon chip tuning custom vehicle software, your vehicle will gain +20 hp / +20 nm additional power and reach a total power of 440 hp / 630 nm. Since there will be no change in the exhaust emission values of your vehicle, there will be no smoke in your vehicle.
GMC Yukon 6.2 V8 420hp chip tuning stage1 file is completed in about 1-2 hours.
| Type of fuel | petrol |
| Method | Chiptuning |
| Tuning type | Stage 1 |
| Cylinder content | 6162 CC |
| Compression ratio | 11.50 : 1 |
| Bore X stroke | 103.30 X 92.00 mm |
| Engine number | L86 |
| Engine ECU |
| Gearbox ECU |
