Jaguar MKII 2.4 3.4 3.8 240 340 Brake Servo

Jaguar MKII 2.4 3.4 3.8 240 340 Lockheed style replacement servo. Lockheed Style Replacement Servo same design as the original Lockheed L4257-551 and L4257-552. Upgrade your brake system with new Servos. Complete with non return valve ready to install. These Servos are the same configuration as the originals and are two bolt mounting.Includes mounting bracket, Vacuum hose and replacement pipe which will allow installation in early model XK120, xK140 and XK150 models with single brake line system. 

Important Jaguar MKII models and some sedans will require modification of the cover and removal of old mounting to make room for replacment Servo. We recommend using skilled mechanic for installation. This unit is 2.5 to 1 ratio. Note servo bell is 7 inch. 

These are replacment units. We also offer original Lockheed high performance servos manufactured in UK for improved performance. Call for details on Lockheed 

• Aston Martin DB5 (Two required)
• Daimler 2.5 V8 / V8 250
• Mk I / Mk 1 3.4 Disc Brake models
• Mk II / Mk 2 2.4 & 240
• Mk II / Mk 2 3.4, 3.8 & 340
• Mk IX / Mk 9 Disc Brake
• S-Type 3.4S LHD to 1B25285
• S-Type 3.8S LHD to 1B76291
• XK120 XK140 (optional Power brake booster kit single line system
• XK 150 
• XK 150 S 

Part No L4257-551 alternate L4257-552 / L4257-553

Jaguar part C19612 (aftermarket replacement type)(7 inch)