Zytek ZJ458

The Zytek ZJ458 engine is a 4.5-litre, normally-aspirated, V8 racing engine, developed and produced by Zytek for sports car racing. The ZJ458's rev-limit was about 10,000 rpm, and produces its power output of 635–700 hp (474–522 kW) @ 9,000 rpm, and peak torque of 590 N⋅m (435 lb⋅ft) @ 7,500 rpm.^{[1][2][3][4][5][6]}

Zytek ZJ458
Overview
Manufacturer	Zytek
Production	2009-2011
Layout
Configuration	V8 naturally-aspirated, 90° cylinder angle
Displacement	4.5 L (275 cu in)
Valvetrain	DOHC
Combustion
Fuel system	Electronic indirect multi-point injection
Fuel type	Elf LMS 102 RON unleaded Petrol E10 Ethanol
Output
Power output	635–700 hp (474–522 kW) @ 9,000 rpm
Torque output	590 N⋅m (435 lb⋅ft) @ 7,500 rpm
Dimensions
Dry weight	119 kg (262 lb)

Applications

• Ginetta-Zytek GZ09S
• Zytek Z11SN