{"id":3054,"date":"2026-09-07T14:14:01","date_gmt":"2026-09-07T14:14:01","guid":{"rendered":"https:\/\/passionwebs.com\/elite-engines\/product\/wilwood-superlite-4r-rear-drum-to-disc-brake-kits-140-17542-d\/"},"modified":"2026-09-07T14:14:01","modified_gmt":"2026-09-07T14:14:01","slug":"wilwood-superlite-4r-rear-drum-to-disc-brake-kits-140-17542-d","status":"publish","type":"product","link":"https:\/\/passionwebs.com\/elite-engines\/product\/wilwood-superlite-4r-rear-drum-to-disc-brake-kits-140-17542-d\/","title":{"rendered":"Wilwood Superlite 4R Rear Drum-to-Disc Brake Kits 140-17542-D"},"content":{"rendered":"

Description<\/h2>\n

Overview<\/strong><\/p>\n

\n
Brand: <\/strong>Wilwood Disc Brakes<\/div>\n
Manufacturer\u2019s Part Number: <\/strong>140-17542-D<\/div>\n
Part Type: <\/strong>Disc Brake Kits<\/div>\n
Product Line: <\/strong>Wilwood Superlite 4R Rear Drum-to-Disc Brake Kits<\/div>\n
Summit Racing Part Number: <\/strong>WIL-140-17542-D<\/div>\n
Position: <\/strong>Rear<\/div>\n
Front Rotor Included: <\/strong>No<\/div>\n
Brake Rotor Bolt Pattern (in.): <\/strong>5 x 5.00 in.<\/div>\n
Brake Rotor Bolt Pattern (mm): <\/strong>5 x 127.00mm<\/div>\n
Differential Case Design Type: <\/strong>GM 8.5\/9.5 in.<\/div>\n
Rear Rotor Included: <\/strong>Yes<\/div>\n
Rear Rotor Style: <\/strong>Cross-drilled\/Slotted surface<\/div>\n
Rear Rotor Construction: <\/strong>Vented<\/div>\n
Rear Rotor Diameter: <\/strong>12.88 in.\/327.15mm<\/div>\n
Rear Rotor Thickness (in.): <\/strong>1.10<\/div>\n
Front Caliper Included: <\/strong>No<\/div>\n
Rear Caliper Included: <\/strong>Yes<\/div>\n
Rear Caliper Piston Quantity: <\/strong>Four<\/div>\n
Rear Caliper Material: <\/strong>Forged billet aluminum<\/div>\n
Rear Caliper Color: <\/strong>Black<\/div>\n
Brake Pads Included: <\/strong>Yes<\/div>\n
Friction Material Name: <\/strong>BP-10<\/div>\n
Parking Brake Provision: <\/strong>Yes<\/div>\n
Parking Brake Style: <\/strong>Internal drum<\/div>\n
Minimum Recommended Wheel Diameter (in.): <\/strong>17 in.<\/div>\n
Offset (in.): <\/strong>3.250 in.<\/div>\n
Front Spindles Included: <\/strong>No<\/div>\n
Master Cylinder Included: <\/strong>No<\/div>\n
Brake Booster Included: <\/strong>No<\/div>\n
Remanufactured: <\/strong>No<\/div>\n
Brake Hoses Included: <\/strong>No<\/div>\n
Quantity: <\/strong>Sold as a kit.<\/div>\n<\/div>\n

Wilwood Superlite 4R Rear Drum-to-Disc Brake Kits<\/strong><\/p>\n

Upgrading the brakes on older trucks makes them safer with improved stopping power. Wilwood\u2019s new Forged Superlite 4R rear drum-to-disc conversion kits for select Chevy and GMC trucks and SUVs are one of the best upgrades for overall braking performance. You\u2019ll experience more brake clamping force, thermal capacity, improved pedal feel, and confidence\u2013from daily street performance to heavy-use applications, including towing, hauling, commercial workloads, and off-road. Kits include internal parking brake assemblies. Rotors are available with a solid or cross-drilled\/slotted surface.<\/p>\n

Kits feature:<\/p>\n

* Complete bolt-on installation using Wilwood\u2019s decades of experience in performance, off-road, and competitive motorsports
\n* Compatible with Wilwood front kits, factory ABS systems and OE master cylinder<\/p>\n

\u2014 Calipers: Superlite
\n\u2022 12.88 in. and 14.00 in. rear kits feature Wilwood\u2019s motorsports-proven rigid Superlite four piston calipers
\n* Stainless steel pistons are housed in Type-III hard anodized bores with high-temperature seals for durability
\n* Internal drum parking brakes retain OE feature<\/p>\n

\u2014 Rotors: ULHP, Spec37 GT or SRP Drilled
\n\u2022 12.88 in. x 1.10 in. kit features Spec37 two-piece rotors with 48 curved vanes are E-coated in GT slotted or SRP drilled and slotted
\n\u2022 14.00 in. x 1.10 in. kit features Spec37 two-piece rotors with 72 curved vanes are E-coated in GT slotted or SRP drilled and slotted<\/p>\n

\u2014 Brake pads: BP-10 street performance pads provide smooth and consistent response with long wear over a broad range of temperatures (other compounds available)<\/p>\n

\u2014 Installation parts: Caliper brackets, parking brake cable connection kit, and premium-grade installation hardware included<\/p>\n","protected":false},"excerpt":{"rendered":"

Brake Kit, KIT,REAR,FNSL4R,DISC\/DRUM,C1500 GM 88-98 5 LUG,3.25 OFFET,12.88 ROTOR,SRP<\/p>\n","protected":false},"featured_media":3053,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[17],"product_tag":[],"class_list":["post-3054","product","type-product","status-publish","has-post-thumbnail","product_cat-brake-systems","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product\/3054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/comments?post=3054"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/media\/3053"}],"wp:attachment":[{"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/media?parent=3054"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product_brand?post=3054"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product_cat?post=3054"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/passionwebs.com\/elite-engines\/wp-json\/wp\/v2\/product_tag?post=3054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}