Description
This rear bracket kit (aka ITSME4G63 DBA Kit) allows you to bolt on 4 piston rear CTSV Brembo Calipers onto your GTO utilizing the DBA42031 type rotor (13.8”/350mm). An 18” wheel (stock GTO 18” wheels clear )is a minimum requirement for fitting the 4 piston rear Brembos. Bolt in design, retains use of stock GTO brake lines& handbrake (half-moon spacers are used to raise e-brake assembly to rotor). Made out of strong Aircraft Quality 6061-T6 Aluminum, Hard Coat Anodized for durability. Extreme Condition Track Tested. Engineered to work specifically for all model years (04-06). For Off-Road use only.
Note: Requires DBA42031 type (42031/42031S/42031X/42031XS) rotors (13.8”/350mm Diameter). Rotor needs hub clearance hole opened up to clear stock GTO hub. Rotor bushings are used to center rotor on wheel studs. Minor modification to rear splash-shields is required for bracket/caliper clearance.
Whats included in the kit:
Mounting Brackets – x2
Caliper Mounting Bolts – x4
Caliper Mounting Bolt Washers – x4
Half-Moon E-Brake Spacers – x4
Half-Moon E-Brake Spacer Mounting Bolts – 8x
Rotor Bushings – x10
NOT INCLUDED IN KIT
GM Caliper P/N’s for reference only
Silver – 89047742 & 89047743
Yellow – 20982644 & 20982647
Red – 22885101 & 22885103
Caliper pin kit: 89047728
**Brake kits are limited production/availability No returns allowed except for manufacture defects.
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