I emailed Wilwood brakes for one of their dual resovoir master cylinders. They want to know what caliper piston size and size of brake booster. Does anyone know these specs? Was hoping someone has a caliper off already or knows already

 

Well here is the part supplied by a Jaguar specialist. Doesn't look too expensive to me. The OEM supplier no longer exists, so the part is an aftermarket part, like most of the old Jaguar stuff these days.

SNG Barratt - The Ultimate Jaguar Parts Specialist

 

Are you getting rid of the old leaky Jaguar M/C ? If so please keep us posted. Any M/C I have had in the car has leaked fluid.

I (and I am sure others ) would like to know the "receipe" as well,.. in other words,.. a good viable M/C and booster combo. Especially the Lump guys who have given up the "all original" concept with an interest in improving the car with updated technology.

Had planned on tackling this swap at the time I do the rear outboard brake and new handbrake set up,... swap

 

Yes, I no longer want the Jaguar unit. The Wilwood does not leak and looks fantastic. I have one for my Pro Touring 55 Chevy and I installed one 2 years ago on a customers truck. I like them very well. This is not the one just showing what they look like https://www.summitracing.com/parts/w...6-bk/overview/

 

Probably buy a reman Jaguar brake booster though