Designed Specifically For Drag Racing
Application
For OEM Large GM 12 Bolt Housing Ends
Requires
• Strange axles with A1031 or A1031Z Eliminator Kit
• 2.832″ brake offset
One Piece Forged Steel Rotors – B2792 / B2793
• Directional slots increase air flow and reduce weight
• One piece design eliminates bolts & safety wire
• Hat section drilled & milled to further reduce weight
• 4 1/2″, 4 3/4″ & 5″ Uni-Lug bolt circles for both 1/2″ & 5/8″ studs
Four Piston Directional Calipers – B5002 / B5004
• Aluminum bodies drastically reduce weight
• 1.625″ & 1.750″ pistons vary pressure decreasing pad taper
• Stainless steel pistons resist corrosion
• Anti-rattle clips reduce brake pad vibration and noise
DRM-35 Metallic Brake Pads – B5020
• Provides high resistance to brake fade
• Recommended for vehicles going over 150 MPH in the 1/4 mile
• Maintains decent starting-line cold holding capabilities
• May leave pad residue on rotors when not using parachute
• While common, it’s recommended to remove when installing new pads
Aluminum Caliper Mounts
• Billet one piece design
• Eliminates bolts, spacers & nuts that require periodic maintenance
Inner C-clip Eliminator Halves
• Modified halves fits both A1031 / A1031Z kits
• Maintains same wheel to wheel width as drum brakes
• No pressing required provides easy installation
• New oil seals installed in halves
Evolution 4 Low Profile Caliper Option – OPRB10
Evolution 4 Billet Caliper or Red Billet Caliper Option – OPRB07
Brake Hoses and Lines Are Not Included
Calipers are tapped 1/8″ NPT and supplied with a straight male 3 AN fitting
Use Teflon® tape or liquid on the pipe threads of the fitting
Leave a few threads from the tip uncoated
This will avoid depositing material inside the caliper
Torque fitting to 25 ft lbs
