YSR Ultra Big Brake Kits

YELLOWSPEED’s ULTRA SERIES BIG BRAKE KIT is designed to provide optimal braking performance, improved styling and easy installation. YSR Ultra Big Brake Kits can be built to suit your driving needs with available options such as floating rotors, stainless steel pistons and more.

We are proud to say that all components we use on our kits are top grade materials to ensure the product's durability and strength.

YELLOWSPEED’s ULTRA SERIES BIG BRAKE KITS are sure to provide you with the braking force you need for any style of driving.
Yellow Speed Racing Big Brake Kit
FRONT ULTRA SERIES BIG BRAKE KIT


CALIPER TYPE (FORGED) MINIMUM WHEEL SIZE PISTON DIAMETER CALIPER DIMENSION WEIGHT

4 PISTON (YSCPF4a)
      or
6 PISTON (YSCPF6a)

15” (286MM x 26MM ROTOR) 36mm, 36mm //
36mm, 32mm, 28mm
239mm (W) x 74mm (H) 9.48lbs/pair
4 PISTON (YSCPF4a)
      or
6 PISTON (YSCPF6a)
16” (304MM x 26MM ROTOR) 36mm, 36mm //
36mm, 32mm, 28mm
239mm (W) x 74mm (H) 9.48lbs/pair
6 PISTON (YSCPF6b)
      or
(YSCPF6c)
17” (330MM x 32MM ROTOR) 38mm, 36mm, 32mm
//
36mm, 32mm, 28mm
293mm (W) x 81mm (H) 12.57lbs/pair
6 PISTON (YSCPF6b) 18” (345MM x 32MM ROTOR) 38mm, 36mm, 32mm 293mm (W) x 81mm (H) 12.57lbs/pair
6 PISTON (YSCPF6b) 18” (356MM x 32MM ROTOR) 38mm, 36mm, 32mm 293mm (W) x 81mm (H) 15.43lbs/pair
8 PISTON (YSCPF8b) 19” (380MM x 34MM ROTOR) 36mm, 32mm, 30mm, 28mm 351mm (W) x 95mm (H) 20.1lbs/pair
8 PISTON (YSCPF8b) 20” (405MM x 36MM ROTOR) 36mm, 32mm, 30mm, 28mm 351mm (W) x 95mm (H) 20.1lbs/pair

REAR ULTRA SERIES BIG BRAKE KIT

CALIPER TYPE (FORGED) MINIMUM WHEEL SIZE PISTON DIAMETER CALIPER DIMENSION WEIGHT
4 PISTON (YSCPR4b) 15” (286MM x 22MM ROTOR) 28mm, 28mm 238mm (W) x 68mm (H) 9.48lbs/pair
4 PISTON (YSCPR4b) 16” (304MM x 22MM ROTOR) 28mm, 28mm 238mm (W) x 68mm (H) 9.48lbs/pair
4 PISTON (YSCPR4a)
or
6 PISTON (YSCPR6a)
17” (330MM x 28MM ROTOR) 28mm, 28mm //
28mm, 25mm, 22mm
230mm (W) x 69mm (H) // 233mm (W) x 67mm (H) 9.48lbs/pair
4 PISTON (YSCPR4a)
or
6 PISTON (YSCPR6a)
18” (356MM x 28MM ROTOR) 28mm, 28mm //
28mm, 25mm, 22mm
230mm (W) x 69mm (H) // 233mm (W) x 67mm (H) 9.48lbs/pair
6 PISTON (YSCPR6b) 18” (356MM x 32MM ROTOR) 32mm, 28mm, 25mm 262mm (W) x 76mm (H) 12.57lbs/pair
6 PISTON (YSCPR6b) 19” (380MM x 32MM ROTOR) 32mm, 28mm, 25mm 262mm (W) x 76mm (H) 12.57lbs/pair

The information above is provided to confirm fitment according to the vehicle's wheel diameter. Depending on wheel selection on the vehicle, some vehicles may require a wheel spacer be used to provide optimal clearance between the wheel and caliper. Model specific brake kit templates are available at no charge to check for clearance before purchasing. Professional installation is required for YSR Big Brake Kits.

ULTRA SERIES BIG BRAKE KIT CONTENTS:
Forged billet aluminum calipers with anti-rust coating x2
Two piece drilled, slotted, OR drilled & slotted rotors with lightweight aluminum center bells. Rigid steel center bells are equipped for the rear rotors integrated with inner drums. x2
High Performance Sport Compound Brake Pads (Competition Compound Brake Pads are optional for additional charge) x4
CNC machined steel caliper mounting brackets x2
High quality stainless steel braided Teflon brake lines x2

Hardware Tool Bag

x1

All Yellow Speed Racing Big Brake Kits are designed for competition and/or track use only. Yellow Speed Racing is not responsible for any damage that may occur to your vehicle, or injuries to persons for operation with these components outside of the intended usage. 

Information on this page may become obsolete at any time, please contact YSR sales for the most recent information.