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Arden Range Rover

Arden -Arden Jaguar-XJ-Engine

The experience of many decades on the automotive sector form the basis of the worldwide reputation of Arden. This know-how is, of course, also recognizable in all Arden performance increases. The Arden engine development department has created powerful and roadworthy performance tunings for the 4.2 Liter V8 engines of the JAGUAR XJ models. Our processed engines meet of course the current german demands of the exhaust gas standards.

Power increase for 4.2 litre
Arden additional ECU for XJR Power increasing: 35 hp Torque increasing: 50 Nm Power increase through additional ECU for optimized engine management strategy. Also possible in conjunction with the Arden high-performance exhaust system, power increase together approx. 60 hp.

Power increase for 4.2 litre V8
Arden AJ 8 S8 Performance Tuning for 4.2 litre V8 Engine capacity: 4.5 ltr. Max. power: appr. 380 hp (279 kW) Max. torque: appr. 480 Nm. More engine capacity through special crankshaft with forged and lighter pistons and connecting rods. Machined cylinder heads with specially fabricated camshafts and valve springs. Optimized oil circulation, cooling and engine management strategy. Including special fabricated Arden oil sump with cooling rips and approx. 1.5 litre larger volume.

Power increase for 4.2 litre Supercharger
Arden AJ 8 S7 Performance Tuning for 4.2 litre Supercharger Engine capacity: 4.5 ltr. Max. power: appr. 480 hp (379 kW) Max. torque: appr. 640 Nm. More engine capacity through special crankshaft with forged and lighter pistons and connecting rods. Modificated engine management, increased fuel and boost pressure and Arden high-performance catalysts. Including special fabricated Arden oil sump with cooling rips and approx. 1.5 litre larger volume.

Power increase for 4.2 litre Supercharger
Arden AJ 8 S9 Performance tuning for 4.2 litre Supercharger Engine capacity: 4.5 ltr. Max. power: appr. 540 hp (398 kW) Max. torque: appr. 695 Nm. More engine capacity through special crankshaft with forged and lighter pistons and connecting rods. Machined cylinder heads with specially fabricated camshafts and valve springs. Modificated engine management, increased fuel and boost pressure and Arden high-performance exhaust system together with sport Arden catalytic converters. Including special fabricated Arden oil sump with cooling rips and approx. 1.5 litre larger volume.

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