LWB Kit for 1969-1989 Rear
This complete kit adapts Brembo/Porsche 4 piston Boxter rear calipers to stock 911/912 rear trailing (banana) arms (69-89) with 3.0" bolt spacing.  Can be used with aluminum or steel trailing arms.  Designed to work with 20mm wide rear rotors (69-83 part number 901.352.041.14) but can be modified to work with 24mm wide "Carrera" rotors (84-89 part number 911.352.041.09).  When installing this kit onto aluminum trailing arms the small upper backing plate tab must be cut off each arm for clearance.
 
SWB Kit for 1965-1968 Rear
This complete kit adapts Brembo/Porsche 4 piston Boxter rear calipers to stock SWB 911/912 rear trailing (banana) arms (65-68).  Designed to work with vented 20mm wide 944 rear rotors part number 944.352.041.02 and brake pad set part number 944.352.041.02 (also known as AP738 profile).  Only modification needed is to easily remove one tab from the steel water shield backing plate.
 
Both Kits Are:
CNC machined.
Anodized for great durability.
High quality metric hardware included.
DOT stainless steel braided lines included with grommets and banjo bolts.
Calipers and OEM German rotors available as an option.  Sold as directional (L+R pair).
Both kits will work with 15" wheels.
Both kits are designed to use Boxter rear calipers part number 986-352-423-01 and 986-352-424-.01