| Gibson GK428 [1] [2] [3] | |
|---|---|
| Overview | |
| Manufacturer |  Gibson |
| Production | 2017-present |
| Layout | |
| Configuration | V8 naturally-aspirated, 90° cylinder angle |
| Displacement | 4.2 L (256 cu in) |
| Valvetrain | DOHC |
| Combustion | |
| Fuel system | Electronic indirect multi-point injection |
| Fuel type | |
| Output | |
| Power output | 603 hp (450 kW) |
| Torque output | 410 lb⋅ft (556 N⋅m) |
| Dimensions | |
| Dry weight | 135 kg (298 lb) |
The Zytek GK428 engine is a 4.2-litre normally-aspirated DOHC V8 engine. It has been developed and produced by Gibson for sports car racing since 2017. [4] [5]
