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Front Big Brake Kit w/ 2.5" X-10 Modular Drop Spindles, 1973-87 Chevy C10 Truck 5 Lug

High-performance CPP X10 Series spindle upgrade
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Part #
7387SWBK-X10-5
In Stock
$1,149.00
1973-87 C10, 5x5, W/ Modular 2.5" Drop Spindles, 13" Front Rotors, 52MM Twin Piston Black Calipers, Kit
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Prop 65 warning
The 1973-87 C10 eXtreme 2.5” Drop Modular™ spindle is designed to provide a perfect blend of late-model strength and advanced technology. Ideal for those seeking a lowered stance while accommodating 17” or larger wheels, this spindle features a robust, bolt-in sealed bearing hub assembly for easy installation, eliminating the need to pack bearings with grease and set bearing preload.

This comprehensive kit includes 13" drilled and slotted rotors with twin piston 52MM calipers, stainless steel hoses, and all necessary hardware for a straightforward setup. Available in both 5-lug and 6-lug truck bolt patterns, this spindle requires the use of 17” or larger wheels for optimal performance.
More Information
Product Name Front Big Brake Kit w/ 2.5" X-10 Modular Drop Spindles, 1973-87 Chevy C10 Truck 5 Lug SKU 7387SWBK-X10-5
Bolt Pattern 5x5 Brake Hose Included Yes
Front Brake Hose Type Rubber Front Caliper Finish Black Powder Coated
Front Caliper Material Cast iron Front Caliper Piston Qty 2
Rotor Hub Type X-10 Sealed Bearing and Slip on Rotor Rotor Style Blue Zinc, Cross-Drilled, Gas Slotted, Vented
Front Spindle Included Yes Spindle Type X-10 Modular Drop Spindle
Wheel Offset -0.5 Spindle Finish None
Spindle Material Ductile Iron Spindle Drop Height 2.5
Front Caliper Piston Diameter 52 Spindles Included Yes
Prop65 Yes Brand CPP X10 Series
Product Location Front Front Rotor Diameter 13
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Customer Questions
What are the torque specs on the 3 bolts that hold the sealed hub to the spindle?
The hubs for our X-10 spindles should be torqued down evenly to 133ft lbs.
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What are the torque specs for the caliper bracket to the spindle?
The torque spec for the caliper bracket to the spindle in disc brake kit 7387SWBK-X10-5R is 130 Ft. LBS.
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I recently bought this setup and seems like the rotors need to be shimmed. I can’t find any information on this.
Hi Adrian, No, these rotors will not need to be shimmed. Thank you. 
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This kit includes:

  1. Fixed

  2. P/N: K100026

    • Description: 13in Brake Caliper Bracket & Hardware Kit
    • Quantity: 1

  3. P/N: CP30021

    • Description: 73-87 X-10 2.5in Modular Drop Spindles, Pair
    • Quantity: 1

  4. P/N: 7387FBH-S10

    • Description: 23in Long Stainless Steel Front Brake Hose, 10mm Banjo to 3/8in-24 Female, Pair
    • Quantity: 1

  5. P/N: GXZ-31884

    • Description: Front Rotors zinc plated 13in Corvette Drilled/Slotted, 5 x 5 and 5 x 5.5 CPP Big Brake Rotor
    • Quantity: 2

  6. P/N: 35033

    • Description: X10 Wheel Hub Assembly, 5x5 Sealed Bearing, 1/2in-20 Bolts, Sold Individually
    • Quantity: 2

  7. P/N: 47084

    • Description: M14 1.5 X 70Mm Hex Head Flange Bolt Grade 8 Black Zinc
    • Quantity: 6

  8. P/N: DNA

    • Description: Parts Come Packaged Separately - Not Assembled
    • Quantity: 1

  9. P/N: BBCFR13-B

    • Description: Front 13in Big Brake Caliper Left Hand Or Right Hand Black
    • Quantity: 2
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