Brakes · Buyer's Guide

Big Brake Kits

A big brake kit replaces your front calipers and rotors with much larger ones — think going from the brakes on a family sedan to brakes on a supercar. More rotor surface area means more friction and shorter stopping distances. Essential for heavily modified cars, and the big calipers visible through your wheels look incredible.

Recommended Picks

A starting point for your build, sorted by budget.

Best ValueMost affordable in this category
StopTech ST-40 Big Brake Kit Front

StopTech

ST-40 Big Brake Kit Front

$2,299.99
Mid-Range PickBalanced price and performance
Baer Brakes Street Challenge Big Brake Kit

Baer Brakes

Street Challenge Big Brake Kit

$2,999.99
Premium PickTop-tier brand and performance
Brembo GT-S Big Brake Kit Front - 380mm

Brembo

GT-S Big Brake Kit Front - 380mm

$4,499.99

All Big Brake Kits (3)

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8. BRAKES

When to Upgrade

Stock brakes are fine for normal street driving. Upgrade when:

  • Power exceeds ~450–500 HP (heat fade becomes an issue)
  • Track or autocross use
  • Consistent hard braking / mountain driving
  • Squealing, pulsation, or extended stopping distances

Upgrade Tiers

Tier Components Cost Best For
Budget High-perf pads + slotted/drilled rotors $300–$700 Street, mild spirited driving
Mid-range Big rotor upgrade + multi-piston calipers $1,200–$2,500 Frequent track days
Full BBK Complete big brake kit (Brembo, StopTech, Alcon) $2,500–$6,000+ Serious track use

Rotor Types

  • Drilled: Better wet-weather bite, but can crack under extreme heat. Street use.
  • Slotted: Wipes debris from pad face, resists fade better. Track use.
  • Drilled + Slotted: Combo — good street/occasional track.
  • Solid performance rotors: Best thermal capacity, no weak points — pure track.

Key Brands

  • Brembo: Gold standard for big brake kits. Factory equipment on Hellcat.
  • StopTech: Excellent street/track balance. Trophy kits very popular.
  • Alcon: UK-based race brake specialists. High-end.
  • EBC Brakes: Strong pad range — GreenStuff (street), YellowStuff (sport), RedStuff (track).
  • Hawk Performance: HPS (street), HP Plus (street/track), DTC compounds (race).
  • Power Stop: Best value complete kits (rotors + pads packaged together).

Notes

  • Brembo is factory equipment on Hellcat — upgrading a Hellcat means replacing the already-upgraded factory brakes.
  • R/T and Scat Pack run smaller factory rotors — more room for upgrade.
  • Bigger rotors may require wheel offset/fitment check. Some 18" wheels won't clear large BBK calipers.

Site UX Recommendations

  • Power threshold warning: when build exceeds 450 HP → suggest brake upgrade.
  • Show rotor type explanation (drilled vs. slotted vs. solid).
  • Wheel clearance note: "Check wheel clearance before buying BBK."