These are re-machined Brembo rear brake calipers that enlarge the piston size from 36mm to 40mm. It helps balance the front-to-rear braking so there's no more flat spotting the fronts. I have sold over 200 pair in the last 10 years, this is maybe the last batch. $800 and no core return needed. Have several sets available. Feel free to email with questions or ask for more info, although attached article covers a lot.
For Gen 1 and non-ABS Gen 2 (1992-2000 model years) only. Will not fit on 2001 and up.
Fit under 17" wheels, use factory attaching bolts and hardware. Visually indistinguishable from OEM version. Keeps parking brake. Can be installed in ~1.5 hours. Braking data shows improvement from 0.8G to 1.0G deceleration on street tires. No cutting of suspension upright. Uses OEM size pads. Keep OEM size rotors. Same brake hoses. Rear clamping force is 23% greater. Performs as well and weighs less than adding 4-piston calipers plus another parking brake. Installation instructions attached.
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