{"product_id":"power-brake-booster-conversion-kit-for-87-90-jeep-wrangler-yj-rt31018","title":"Power Brake Booster Conversion Kit for 87-90 Jeep Wrangler YJ  | RT31018","description":"\n\u003cdiv style=\"font-family:Arial,Helvetica,sans-serif;color:#222;line-height:1.55;max-width:900px;margin:0 auto;\"\u003e\n  \u003cdiv style=\"border:1px solid #d8d8d8;border-radius:6px;overflow:hidden;\"\u003e\n\n    \u003cdiv style=\"background:#b91c1c;color:#fff;padding:18px 22px;\"\u003e\n      \u003ch2 style=\"margin:0;font-size:22px;color:#fff;\"\u003eHeavy Duty Power Brake Booster Conversion Kit\u003c\/h2\u003e\n      \u003cp style=\"margin:6px 0 0;font-size:14px;color:#fff;\"\u003e1987-1990 Jeep Wrangler YJ | Stock Axles | Without ABS | RT31018\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"padding:22px;\"\u003e\n\n      \u003ch3 style=\"color:#b91c1c;margin:0 0 10px;\"\u003eProduct Overview\u003c\/h3\u003e\n\n      \u003cp\u003eService the power braking system on your \u003cstrong\u003e1987-1990 Jeep Wrangler YJ\u003c\/strong\u003e with this \u003cstrong\u003eHeavy Duty Power Brake Booster Conversion Kit\u003c\/strong\u003e, specifically designed for vehicles equipped with \u003cstrong\u003estock axles and without ABS\u003c\/strong\u003e. The kit features an \u003cstrong\u003e8-inch dual diaphragm power brake booster\u003c\/strong\u003e paired with a \u003cstrong\u003e1-inch bore master cylinder\u003c\/strong\u003e.\u003c\/p\u003e\n\n      \u003cp\u003eThis conversion kit is configured for the specified factory axle application, providing a defined brake booster and master cylinder combination for compatible Wrangler YJ models. The 1-inch master cylinder bore is an important identifying specification when selecting the correct conversion kit for the vehicle's braking system.\u003c\/p\u003e\n\n      \u003cp\u003eIdentified by product reference \u003cstrong\u003eRT31018\u003c\/strong\u003e, this kit is intended for the listed 1987-1990 Wrangler YJ applications. Confirm the vehicle's axle configuration, ABS equipment, and existing braking system before selecting the replacement assembly.\u003c\/p\u003e\n\n      \u003cdiv style=\"background:#f6f7f8;border:1px solid #e2e4e7;border-radius:6px;padding:16px;margin:18px 0;\"\u003e\n        \u003ch3 style=\"color:#b91c1c;margin:0 0 10px;\"\u003eVehicle Compatibility\u003c\/h3\u003e\n\n        \u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eJeep Wrangler Applications\u003c\/strong\u003e\u003c\/p\u003e\n        \u003cul style=\"margin:0 0 10px;padding-left:20px;\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003e1987-1990 Jeep Wrangler (YJ)\u003c\/strong\u003e - Without ABS; equipped with stock axles\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n        \u003cp style=\"font-size:13px;color:#555;margin-bottom:0;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This kit is specifically listed for 1987-1990 Jeep Wrangler YJ models without ABS and with stock axles. Both application requirements must be satisfied. Compatibility with aftermarket axle configurations or ABS-equipped vehicles has not been established.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003ch3 style=\"color:#b91c1c;\"\u003eProduct Highlights\u003c\/h3\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHeavy Duty Brake Booster:\u003c\/strong\u003e Features an 8-inch dual diaphragm power brake booster for the specified conversion application.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003e1-Inch Bore Master Cylinder:\u003c\/strong\u003e Configured with a 1-inch master cylinder bore for the listed stock axle application.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eStock Axle Compatibility:\u003c\/strong\u003e Specifically identified for Jeep Wrangler YJ models retaining stock axles.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eNon-ABS Application:\u003c\/strong\u003e Listed for 1987-1990 Wrangler YJ vehicles equipped without an anti-lock braking system.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApplication-Specific Configuration:\u003c\/strong\u003e Combines the specified booster diameter, dual diaphragm design, and master cylinder bore under product reference RT31018.\u003c\/li\u003e\n      \u003c\/ul\u003e\n\n      \u003cdiv style=\"background:#f6f7f8;border:1px solid #e2e4e7;border-radius:6px;padding:16px;margin:18px 0;\"\u003e\n        \u003ch3 style=\"color:#b91c1c;margin:0 0 10px;\"\u003eProduct-Specific Technical Details\u003c\/h3\u003e\n        \u003cul style=\"margin:0;padding-left:20px;\"\u003e\n          \u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Power Brake Booster Conversion Kit\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBrake Booster Type:\u003c\/strong\u003e Heavy Duty Dual Diaphragm\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eBrake Booster Diameter:\u003c\/strong\u003e 8 Inches\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eMaster Cylinder Bore:\u003c\/strong\u003e 1 Inch\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eIntended Axle Configuration:\u003c\/strong\u003e Stock Axles\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eABS Compatibility:\u003c\/strong\u003e Without ABS\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eVehicle Application:\u003c\/strong\u003e 1987-1990 Jeep Wrangler YJ\u003c\/li\u003e\n          \u003cli\u003e\n\u003cstrong\u003eProduct Reference:\u003c\/strong\u003e RT31018\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp style=\"font-size:13px;color:#555;margin-bottom:0;\"\u003eAdditional component dimensions, booster finish, hydraulic specifications, mounting hardware, and detailed kit contents have not been confirmed in the supplied product information.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"background:#fff8e8;border:1px solid #ead9ad;border-radius:6px;padding:16px;margin:18px 0;\"\u003e\n        \u003ch3 style=\"color:#b91c1c;margin:0 0 8px;\"\u003eInstallation \u0026amp; Fitment Notes\u003c\/h3\u003e\n        \u003cul style=\"margin:0 0 10px;padding-left:20px;\"\u003e\n          \u003cli\u003eConfirm the vehicle is a 1987-1990 Jeep Wrangler YJ.\u003c\/li\u003e\n          \u003cli\u003eVerify that the vehicle is equipped with stock axles.\u003c\/li\u003e\n          \u003cli\u003eConfirm that the vehicle does not have ABS.\u003c\/li\u003e\n          \u003cli\u003eVerify that the specified 1-inch bore master cylinder is appropriate for the existing braking system.\u003c\/li\u003e\n          \u003cli\u003eCompare the current brake booster and master cylinder configuration with the replacement kit before installation.\u003c\/li\u003e\n          \u003cli\u003eUse the applicable vehicle service information and any product-specific instructions supplied with the kit.\u003c\/li\u003e\n        \u003c\/ul\u003e\n        \u003cp style=\"font-size:13px;color:#555;margin-bottom:0;\"\u003eSpecific mounting requirements, brake line connections, installation modifications, and bleeding procedures have not been established in the supplied information. Confirm these details before beginning the conversion.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003ch3 style=\"color:#b91c1c;\"\u003eProduct Reference\u003c\/h3\u003e\n      \u003cdiv style=\"background:#f6f7f8;border-left:4px solid #b91c1c;padding:12px 16px;margin:0 0 18px;\"\u003e\n        \u003cp style=\"margin:0;\"\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e RT31018\u003c\/p\u003e\n        \u003cp style=\"margin:6px 0 0;\"\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e 8-Inch Dual Diaphragm Brake Booster with 1-Inch Bore Master Cylinder\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cp style=\"font-size:13px;color:#555;\"\u003eThe product reference above identifies the specified power brake booster conversion kit. Verify the booster configuration, master cylinder bore, and vehicle application before purchasing.\u003c\/p\u003e\n\n      \u003cdiv style=\"background:#f6f7f8;border-left:4px solid #b91c1c;padding:14px 16px;margin:18px 0;\"\u003e\n        \u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eFitment Reminder\u003c\/strong\u003e\u003cbr\u003eThis conversion kit is designed for 1987-1990 Jeep Wrangler YJ models without ABS and equipped with stock axles. Confirm the required 1-inch master cylinder bore, axle configuration, and existing braking system compatibility before installation.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cp style=\"font-size:13px;color:#555;\"\u003ePlease verify vehicle model year, stock axle configuration, non-ABS equipment, master cylinder bore requirements, and supplied product reference before ordering.\u003c\/p\u003e\n\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Crown Automotive","offers":[{"title":"Default Title","offer_id":67889610489923,"sku":null,"price":479.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0634\/4278\/0227\/files\/RT31018.png?v=1793900535","url":"https:\/\/extoffroad.com\/products\/power-brake-booster-conversion-kit-for-87-90-jeep-wrangler-yj-rt31018","provider":"EXT Offroad","version":"1.0","type":"link"}