Crown Auto RT31047 Brake Conversion Kit
Crown Auto RT31047 Brake Conversion Kit
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Crown Auto RT31047 Dual-Piston Calipers
RT Off-Road's Big Brake Kit is the solution to the strain that oversized wheels and tires place on the braking system on any JK Wrangler. This Brake Kit features Calipers with a pair of 54 Millimeter pistons for increased clamping forces, resulting in increased piston area over the single piston calipers. The 13 Inch drilled and slotted Brake Rotors give the braking system greater leverage. The end result of the Big Brake Kit when compared to OE brakes is a 22 Percent shorter 60 to 0 distance.
Features & Benefits
- Dual-Piston Calipers
- 13 inch drilled and slotted brake rotors
- No cutting, welding, or spacers required
- Bolt-On Installation
- Limited 12 month warranty or limited 12,000 mile warranty
Specifications
| Product Type | Dual-Piston Calipers |
| Weight | 85 lb |
| Dimensions | 16 x 16 x 10.75 in |
| Brand | Crown Auto |
| Manufacturer Part Number | RT31047 |
| UPC | 849603024248 |
Frequently Asked Questions
What stands out about this dual-piston caliper?
Key details include 13 inch drilled and slotted brake rotors. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 85 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

