20th Anniversary Edition Golf 4/Jetta 4 or Audi TT
Aluminum body, cast iron caliper carrier
Internal, cable actuated emergency brake
38mm piston, floating
Designed for 22mm vented rotors
3" caliper mount spacing, M10x1.25 bolts
Rear Rotors
Porsche 944NA ('83-85)
20mm x 290mm, vented
71mm overall height
155mm hub mount diameter
5 x 130mm wheel bolt pattern
Rear caliper bracket
A. & A. Mfg, Inc. (p/n AA-056A)
Modified bracket to fit Type 4 axle carrier
Removed step on Type 4 axle carrier for bracekt to seat square
MIG welded both sides of bracket
Rear hub
Stock Type 4 -- a beast to work with... looked into
swapping axle for bug type (not exchangeable), 944 backing plate
(ebrake rubs and bearing retainer needs mods), bug disk brake brakets
(wrong spacing and offset for this caliper)
Modified stock backing plate as spacer for bearing retainer.
Outer stub axle diameter modified to 155mm hub
diameter
Outer stub axle drilled for 14mm studs, 5 x 130mm
Aluminum hub adapter fabricated for hub/rotor centric mounting
