Alcon - CAR36 - Big Brake Kit (BBK) - REAR (WRX) (4pot) TRACK ONLY
Alcon

Alcon - CAR36 - Big Brake Kit (BBK) - REAR (WRX) (4pot) TRACK ONLY

In the rangePart no. HB655N.620

Fitment not listed

The supplier does not state which cars this fits, and we would rather say so than guess. Ask us with your car and we will check before you order.

Rotor diameter/thickness
355mm x 28mm
Disc diameter range
ø280-343mm
Caliper
4-piston billet (rear only)
Category
Brakes
All 11 specifications ↓

Want this, or something like it?

We can’t take an order yet — supply is still being arranged. Ask, and we will tell you what we know about it and let you know when it is available. What people ask for is what we range first.

  • Fitment is confirmed, not guessed

    A chassis is listed only where the part is on one of our cars or on the manufacturer’s own application list.

  • Some of this is on our cars

    Parts marked On our cars are ones we race. Those descriptions are written from running them, not from a brochure.

  • A person answers

    Enquiries go to Michael, who races the cars. Tell us the car and what you are trying to fix.

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Specifications

Brand
Alcon
Part number
HB655N.620
Rotor diameter/thickness
355mm x 28mm
Disc diameter range
ø280-343mm
Caliper
4-piston billet (rear only)
Piston sizes
6/28.6mm
Material
Stainless steel pistons
Requires
Minimum 18 inch wheel
Sealing
Not dust sealed
Position
Rear
Category
Brakes

Figures as published for this part; fitment is only what we have confirmed. Check critical dimensions against your car before ordering.

About this part

Alcon's CAR36 rear big brake kit, part HB655N.620, is a track-only 4-piston billet setup for the WRX, with piston sizes listed at 6/28.6mm and no dust seal on the caliper. The rotor is 355mm at 28mm thick, within a compatible disc range of ø280-343mm, and Alcon calls for a minimum 18-inch wheel.

We have not run this part ourselves — the ones we have are marked on our cars.