Designed Specifically for Drag Racing...This Strange rear brake kit includes:

Forged One Piece Slotted Steel Rotors, superior strength without the concerns of bolts loosening or hats cracking. Slots improve air flow, assist in warpage prevention, and reduce weight. Four Piston Aluminum Directional Calipers with Stainless Steel Pistons. Aluminum bodies drastically reduce weight. Pistons are 1.625" & 1.750" to vary pressure on the pads decreasing pad taper. Stainless steel pistons are corrosion resistant! Anti-rattler clips reduce brake pad vibration and noise. Billet Aluminum Caliper Mounts. One piece design eliminates spacers & bolts that require periodic maintenance. Housing End Stud Kit. Calipers are tapped 1/8" NPT and supplied with male 3 AN fittings.

Additional components that are not supplied in most aftermarket systems:
Soft Metallic Brake Pads

Provides the best starting-line cold holding power. Recommended for vehicles going 150 MPH or less in the 1/4 mile.

Brake hoses and lines are not included