Holden VT VU VX VY VZ Commodore Brembo Big Brake Kit 4-Piston (Silver) (Front) (Inc. Brake Pads)
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The most affordable big brake kit for VT-VZ Commodores!
Upgrade your brakes to these MASSIVE 4-piston Front Brembo calipers – a huge improvement from the factory Commodore brakes!
This brake upgrade kit has been specifically designed to suit Holden VT, VU, VX, VY & VZ Commodores. It utilises the front Brembo calipers from the Cadillac CTS-V (these are identical calipers to the Brembo calipers on VE Redline edition models, except they have the GM's V logo printed on the front instead of the Brembo logo. They are 100% genuine Brembo calipers made in Italy.) Being a GM part, it means future access to affordable replacement pads and discs.
The kit is very straight-forward and easy to install by anyone familiar with brake systems and can be installed with basic hand tools in under 2 hours.
The adaptor brackets are manufactured from billet 6061-T6 aircraft-grade aluminium and are heat treated and anodized black to guarantee durability.
The kit retains use of the factory handbrake.
What the kit includes:
Set of FRONT 4-Piston SILVER Genuine Brembo Calipers
Set of FRONT RDA EXTREME High-Performance Brake Pads
Set of FRONT Brake Pad Retainer Pin Kit
Set of FRONT billet 6061-T6 aircraft aluminium caliper adaptor brackets
10 x FRONT rotor bushings (required to reduce the stud holes on the brake discs to accept the smaller diameter VT-VZ wheel studs)
4 x FRONT caliper bolt bushings (only required for vehicles with brake upgrades from factory)
All bolts and washers required for installation
Please read before purchasing:
Brake Discs Information:
Brake discs are not included in this kit.
The front discs required are the brake discs that come fitted to VE & VF Commodore Redline edition vehicles with front Brembo calipers, Size: 355mm x 32mm. (RDA Part Number: RDA8103, DBA Part Number: DBA42604)
IMPORTANT: You will need to enlarge the centre hole on both front and rear rotors from 67.4mm to 71.4mm (if you follow the same taper/angle as the stock centre hole). If you cannot reproduce the same taper, then it is recommend to increase the hole size to 76.2mm – this will still allow the disc to still sit central on the hub because of the stainless steel stud sleeves (included with our kit).
The hole can be enlarged with a rotary tool/Dremel quite easily, however we do recommend having it done on a lathe or by a machinist.
Brake Pad Information:
Brake pads are included in this kit (RDX2161).
Front brake pads required: Equivalent to VE & VF Redline Edition Models with front Brembo Calipers (RDA Part Number: RDX2161).
The factory steering knuckles are cast iron and may have an uneven finish from the manufacturing process. This can cause the brackets to not sit flush against the knuckle. If this is the case, you will need to sand/grind the steering knuckles to a smooth finish.
Factory brake lines can be used with this kit if your vehicle came with factory standard brakes. Note that if you have PBR Brake Upgrade Calipers (C5/C6 calipers), you will need to change your brake lines to the standard VT-VZ type as the C5/C6 lines are slightly too short.
You will need a minimum 18” wheels to clear the brake upgrade. Wheels needs to have an offset of 35mm – 42mm. Larger offsets can work but these wheels usually have concave wheel spokes that may rub on the caliper. In some instances, a small wheel spacer (2mm-5mm thick) may be required.
You will need to trim/remove the front and rear dust shields to allow the larger caliper to fit.
You will need to swap the bleeders and crossover pipe positions on the front calipers before installing. The VE-VF front calipers sit at the trailing position, while the VT-VZ Commodore calipers fit at a leading position. Swapping the crossover pipe position means the calipers will have the larger brake pistons at the correct location for best braking performance.