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79-87 Pontiac Grand Prix XS3 Front Extreme Street Brake Kit 

Instructions: Click Here

Weight: 19.5lbs Per Side w/Hubs

Built with over 30 years of heritage in racing, TBM Brakes introduces its first purpose built street performance brake kit, the XS3 series featuring a 12.19" vented rotor. Designed to be the bridge between our lightweight single thickness steel racing brakes and the large diameter rotor street performance brakes commonly seen in late model vehicles while providing incredible stopping power.

This brake kit was specifically designed to give the ability to run smaller diameter / factory size wheels without sacrificing braking potential. We even found this kit able to work with many steel factory 15" wheels as well as drag racing wheels. 

Features:

• Billet caliper housings machined from solid 6061 Aluminum Alloy
• Crossflow caliper design eliminates external tubes, and promotes equal pressure to piston distribution 
• (4) 1.75" OD pistons per caliper deliver exceptional stopping power and pedal feedback
• Billet CNC Machined 304 Stainless Steel Pistons
• Two Part Durable Powdercoated Calipers (choose color in options)
• Black Anodized Brackets, Hats
• Dark Zinc Plated rotors offer corrosion resistance before and after installation (please note rotor color can vary due to process)
  
• Unique Cross flow fluid design for smoother operation
• 12 point hardware
• Race derived caliper design provides excellent stopping and better pedal feel
• Made in the USA in our Bradenton, FL location!

Included:

• (1) 12.19" vented rotors 3-121981087-1
• (1) 12.19" vented rotors 3-121981087-2
• (2) 5x4.75" Bolt Pattern Billet Aluminum Black Anodized Hubs 008-0112A
• (10) 1/2" by 2" wheel studs
• (2) XS3 4 Piston Caliper (Choose color below)
• (2) Caliper Bracket 17-0087
• Complete Set of Pads 6-0002HPS
• Hardware Kit 

Innovative caliper with class leading stopping power!

The XS3 Extreme Street caliper is an innovative new design built off principles and engineering from our line of racing calipers. This all billet caliper provides ultimate in strength for a better feel and performance. With a stronger bridge strength and more rigid caliper than most aftermarket aluminum calipers we are able to provide larger clamping force to achieve the brake torque to stop your vehicle. Choose your choice of color in powdercoat. 

12.19" Slotted & Vented Rotor Balances Weight and Durability

Our cast vented and slotted 12.19" rotor was designed to balance weight, stopping power, cooling ability, and looks while keeping the ability to package with most factory and aftermarket wheels 15" and larger. These rotors are black plated to protect against rusting / corrosion and look good before first use and beyond.

Proven Brake Pad Technology:

Utilizing the Hawk Performance HPS Ferro Carbon compound, this brake pad strikes the perfect balance of stopping potential without bringing noisy brake pads and large amounts of brake dust into play.

Billet TBM Brake Hats

Our billet aluminum brake hats remove the weight of a steel center all in one rotor while allowing for minor adjustment of axle offset thanks to our unique stepped mounting design.

Note: We do not recommend the use of silicone based brake fluid with these calipers. Only use approved DOT3, DOT4, or DOT 5.1 brake fluid. We recommend using TBM Extreme 6 Fluid for best results.

To purchase TBM Extreme 6 DOT 5.1 fluid: CLICK HERE

These brakes perform and operate best at 6-800 psi brake pressure under normal braking pressure. The proper master cylinder and pedal ratio is essential to proper performance. Don't know how to calculate this? Give our team a call, we are happy to help! (800) 878-9274

For Max OD Reference of this kit for barrel fitment see below

⚠ WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov