NRG Quick Release Kit - Pyramid Edition - Black Body / Glow In The Dark Pyramid Ring 1990-bmw-525i-esi6700348 These GiroDisc 2-piece rotors are

These GiroDisc 2-piece rotors are a direct replacement for the rear rotors on the CT4-V Blackwing

* (see application notes below)

then Mil-spec Type III black hardcoat/hard anodized to increase resistance to wear and corrosion

Viton O-ring seals are used throughout for compatibility with all fuel types including gasoline

Invidia down-pipes make for the most popular exhaust upgrade that adds a substantial bump in both horsepower and torque

NRG Quick Release Kit - Pyramid Edition - Black Body / Glow In The Dark Pyramid Ring 1990-bmw-525i-esi6700348 These GiroDisc 2-piece rotors areNRG Quick Release Kit Pyramid Edition Black Body Glow In The Dark Pyramid Ring