Chase Bays Dual Piston Brake Booster Delete w/ Bolt-On 6:1 Pedal Ratio for ABS Install Toyota 86 / GR86 / Subaru BRZ 13-25 | CB-DBBE-SUB-ABS

Description

Take full control of your braking performance without the complexity or cost of a pedal box. This version of our best-selling Dual Piston Manual Brake Kit is built for use with select OEM and motorsport-grade ABS systems. We’ve removed the Adjustable Proportioning Valve to maintain compatibility with active ABS circuits—delivering high-performance manual braking with a streamlined install.

Features:

• No Pedal Box Needed: Get motorsport-grade braking control with your OEM brake pedal and without costly or invasive installs.

• Dual Piston Master Cylinder: Supports front and rear isolated circuits for consistent, balanced braking force.

• Designed for ABS Compatibility: No Adjustable Proportioning Valve included; allows smooth integration with supported ABS modules.

• Tested in Competition: Proven in real-world racing in Gridlife GLTC with our in-house K24 ZN6 chassis.

Included:

• 1″ Bore Dual Piston Ultra Compact Master Cylinder

• High-Temp Polypropylene Reservoir with Stainless Fittings

• Billet Firewall Adapter Plate (Hollowed for weight savings)

• Stainless Steel Push Rod & Clevis

• Stainless Steel Bolt-On 6:1 Pedal Ratio Adapter

• Pre-assembled for easy installation
  Proportioning valve not included in this configuration

Approved ABS Units (Verified by Chase Bays):

Only the following ABS units have been tested and approved for compatibility. These deliver predictable and consistent braking performance in motorsport applications:

• Toyota 86 / GR86 / Scion FR-S / Subaru BRZ (ZN6 & ZN8) OE ABS

⚠️ No returns will be accepted if installed on unlisted ABS units.