{"product_id":"prl-motorsports-blue-4-piston-brake-caliper-kit-acura-integra-de4-2023","title":"PRL Motorsports Blue 4-Piston Brake Caliper Kit – Acura Integra DE4 (2023+)","description":"\u003cp\u003e\u003cstrong\u003ePRL.1167.1.BLU - PRL Motorsports Blue 4-Piston Brake Caliper Kit – Acura Integra DE4 (2023+)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eutilizing a widely available 312x25mm rotor size—common across various applications including the 10th and 11th Generation civic Si—we ensure not only optimal braking performance but also maximize ease of maintenance and parts accessibility. This approach eliminates the need for proprietary rotors, helping source replacements more quickly and affordably. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEqually important, the caliper design accommodates the same brake pad profile used in the high-performance FK8 Civic Type R. This strategic decision leverages an existing performance-proven pad format while simplifying logistics for customers. Whether it's for daily driving, spirited weekend use, or track sessions, users benefit from a system engineered with both performance and practicality in mind—delivering OEM-level serviceability without compromise.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe braking system on the Civic Si and Acura Integra was never designed with serious performance driving in mind. The factory single-piston floating caliper gets the job done under light conditions — but once heat builds or pedal pressure increases, it shows its limits fast.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003ePRL’s 4-Piston Brake Caliper Kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a purpose-built solution for drivers who demand more. Engineered in-house, this fixed caliper design improves pad contact, pedal feel, thermal stability, and overall stopping confidence — without compromising street drivability.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis bolt-on kit is designed and engineered to work directly with your \u003cb\u003eOEM 312mm rotor\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eand integrates cleanly with the stock hub and knuckle setup. The kit also includes steel braided brake lines, offering you better pedal feel and improved confidence when braking harder at higher speeds. A future larger rotor variant is under consideration, but this initial release focuses on fit, performance, and reliability right out of the box. \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cem\u003e\u003cstrong\u003e*In order to be compatible with a 355mm rotor variant, installation will require an alternate bracket.\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e \u003c\/span\u003eQuick Specs:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eCaliper Material and Construction\u003c\/b\u003e: Forged 6061-T6 aluminum, 2-piece body\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003ePiston Design\u003c\/b\u003e: 44mm primary \/ 41mm secondary\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cem\u003e\u003cstrong\u003eAluminum 6061-T6 Billet with vented Type 3 hard anodized pistons\u003c\/strong\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBracket Material\u003c\/b\u003e: CNC-machined 4140 billet steel with electrocoated finish\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003ePad Compatibility\u003c\/b\u003e: FMSI D1001 (F50 \/ Type R \/ STI pad shape)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eRotor Fitment\u003c\/b\u003e: OEM 312mm x 25mm rotor (10th \u0026amp; 11th Gen Civic Si, 2023+ Integra)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eWeight (per side)\u003c\/b\u003e: Approx. 8.8 lbs with bracket and hardware\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eFinish\u003c\/b\u003e: Hard anodized caliper body for thermal resistance, corrosion protection, and clean aesthetics\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eBrake Lines\u003c\/b\u003e: Kit includes a set of stainless steel braided brake lines (required, not optional)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e Direct \u003c\/span\u003eVehicle Fitment:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cb\u003e2017–2021 Honda Civic Si (HC10)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cb\u003e2022+ Honda Civic Si (HC11)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cb\u003e2018+ Honda Accord\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cb\u003e2023+ Acura Integra (DE4)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cb\u003eMany other Honda models when using the 312mm Si rotor\u003c\/b\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cem\u003e\u003cb\u003e*Will need 20mm spacer to fit OE Honda\/Acura wheels\u003c\/b\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFitment With Rotor Modification:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003e2012-2015 Honda Civic Si\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e2012-2015 Honda Civic EX (282mm)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e2012-2015 Honda Civic LX (262mm)\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e2006-2011 Honda Civic Si \u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e2006-2011 Honda Civic EX\/LX\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003e\u003ci\u003eNote: Designed and engineered to work with Honda OEM spec 312mm rotors. Clearance should be verified with included printable template due to dimensional increases over stock.\u003c\/i\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003eFitment Notes:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003eCompared to the factory floating caliper, the PRL caliper increases outward width by approximately\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e25mm\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eand vertical height by\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e30mm on both top and bottom\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e— a total increase of\u003cspan\u003e \u003c\/span\u003e\u003cb\u003e60mm in overall height\u003c\/b\u003e. These changes provide greater thermal mass and improved pad contact geometry but may affect clearance on some wheels.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eTo help with this we are providing a digital PDF template that can be printed out and used to test the fitment and spacing of the brake caliper kit on your wheels. (make sure to print in a 1:1 ratio and use tape measure to ensure printed template matches actual distances)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0568\/5703\/4945\/files\/HC10_11_312_Rotor_Wheel_Clearance_Template.pdf?v=1750802937\"\u003e\u003cstrong\u003ePDF FITMENT TEMPLATE\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e \u003c\/span\u003eWhat’s in the Box:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\"\u003e(2) PRL 4-Piston Forged Aluminum Calipers\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e(2) Stainless Steel Braided Brake Lines\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e(2) Application-Specific Brackets (CNC-machined steel)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003eFull Hardware Kit: Crush washers, banjo bolts, security pins, pad spring bridges, bolts, bleeder caps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e*Rotors and Brake Pads do not come with this kit. For separate rotor\/pad fitments outside of OEM, please see our install guide below for verification. \u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"PRL Motorsports","offers":[{"title":"Default Title","offer_id":53093870731571,"sku":null,"price":1149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0256\/5855\/6497\/files\/prl-motorsports-4-piston-brake-caliper-kit-honda-civic-si-acura-integra-182408_600x_86d0a53f-0c83-4c06-a5b3-420f0f360fb9.webp?v=1772239243","url":"https:\/\/www.circuitspecr.com\/products\/prl-motorsports-blue-4-piston-brake-caliper-kit-acura-integra-de4-2023","provider":"Circuit Spec R","version":"1.0","type":"link"}