{"id":88552,"date":"2025-03-05T21:04:35","date_gmt":"2025-03-06T02:04:35","guid":{"rendered":"https:\/\/discountrcparts.com\/index.php\/product\/ramjam-racing-arrma-6s-5mm-diff-input-cup-set-4140-tool-steel\/"},"modified":"2026-03-24T11:21:55","modified_gmt":"2026-03-24T16:21:55","slug":"ramjam-racing-arrma-6s-4140-tool-steel-5mm-differential-input-cup-set","status":"publish","type":"product","link":"https:\/\/discountrcparts.com\/index.php\/product\/ramjam-racing-arrma-6s-4140-tool-steel-5mm-differential-input-cup-set\/","title":{"rendered":"RamJam Racing Arrma 6s 4140 Tool Steel 5mm Differential Input Cup Set"},"content":{"rendered":"<p class=\"\" data-start=\"75\" data-end=\"556\">Upgrade your drivetrain with the RamJam 5mm Diff Input Cup Set for Arrma 6s, crafted from precision-machined 4140 tool steel for unmatched strength and durability. These heavy-duty drive cups are engineered to eliminate common issues found in stock cups\u2014such as off-center drilling and excess play\u2014ensuring a tighter fit, reduced wobble, and increased drivetrain stability under extreme loads. A perfect solution for racers and bashers looking for a reliable, long-lasting replacement.<\/p>\n<h3 class=\"\" data-start=\"558\" data-end=\"571\">Includes:<\/h3>\n<ul>\n<li data-start=\"574\" data-end=\"600\">(2) Drive Cups (5mm Shaft)<\/li>\n<li data-start=\"603\" data-end=\"624\">(4) M5x.1 Grub Screws<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"798\" data-end=\"811\">Features:<\/h3>\n<ul>\n<li data-start=\"814\" data-end=\"870\">Constructed from 4140 tool steel for superior durability<\/li>\n<li data-start=\"873\" data-end=\"928\">Precision-machined to reduce wobble and improve fitment<\/li>\n<li data-start=\"931\" data-end=\"995\">Direct replacement for stock diff cups known for inconsistencies<\/li>\n<li data-start=\"998\" data-end=\"1041\">Optimized for high-performance applications<\/li>\n<li data-start=\"1044\" data-end=\"1102\">Enhanced retention helps prevent the cups from backing out<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1104\" data-end=\"1123\">Specifications:<\/h3>\n<ul>\n<li data-start=\"1126\" data-end=\"1148\">Outer Diameter: 13mm<\/li>\n<li data-start=\"1151\" data-end=\"1183\">Inner Diameter (dog bone): 8mm<\/li>\n<li data-start=\"1186\" data-end=\"1215\">Inner Diameter (shaft): 5mm<\/li>\n<li data-start=\"1218\" data-end=\"1232\">Length: 18mm<\/li>\n<li data-start=\"1235\" data-end=\"1259\">Grub Screw Size: M5x.1<\/li>\n<li data-start=\"1262\" data-end=\"1290\">Weight: 21.1 grams per set<\/li>\n<li data-start=\"1262\" data-end=\"1290\">Replaces: ARA310977, ARAC5062, ARA311144<\/li>\n<\/ul>\n<h3 class=\"\" data-start=\"1292\" data-end=\"1310\">Compatibility:<\/h3>\n<ul>\n<li data-start=\"1313\" data-end=\"1371\">Felony 6S<\/li>\n<li data-start=\"1313\" data-end=\"1371\">Kraton 6s<\/li>\n<li>Mojave 6s<\/li>\n<li>Talion 6s<\/li>\n<li>Typhon 6s<\/li>\n<li>Outcast 6s<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1373\" data-end=\"1560\">Precision-built for those who push their Arrma Felony to the limit, these input cups provide the strength, reliability, and peace of mind needed to dominate on the street or at the strip.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Upgrade your drivetrain with the RamJam 5mm Diff Input Cup Set for Arrma 6s, crafted from precision-machined 4140 tool steel for unmatched strength and durability. These heavy-duty drive cups are engineered to eliminate common issues found in stock cups\u2014such as off-center drilling and excess play\u2014ensuring a tighter fit, reduced wobble, and increased drivetrain stability under [&hellip;]<\/p>\n","protected":false},"featured_media":94269,"template":"","meta":[],"product_brand":[],"product_cat":[239,82],"product_tag":[],"class_list":{"0":"post-88552","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-kraton-6s-blx","7":"product_cat-typhon-6s-blx-v5","9":"first","10":"outofstock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RamJam Racing Arrma 6s 4140 Tool Steel 5mm Differential Input Cup Set - Discount RC Parts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/discountrcparts.com\/index.php\/product\/ramjam-racing-arrma-6s-4140-tool-steel-5mm-differential-input-cup-set\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RamJam Racing Arrma 6s 4140 Tool Steel 5mm Differential Input Cup Set - Discount RC Parts\" \/>\n<meta property=\"og:description\" content=\"Upgrade your drivetrain with the RamJam 5mm Diff Input Cup Set for Arrma 6s, crafted from precision-machined 4140 tool steel for unmatched strength and durability. These heavy-duty drive cups are engineered to eliminate common issues found in stock cups\u2014such as off-center drilling and excess play\u2014ensuring a tighter fit, reduced wobble, and increased drivetrain stability under [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/discountrcparts.com\/index.php\/product\/ramjam-racing-arrma-6s-4140-tool-steel-5mm-differential-input-cup-set\/\" \/>\n<meta property=\"og:site_name\" content=\"Discount RC Parts\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-24T16:21:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/discountrcparts.com\/wp-content\/uploads\/2025\/03\/RAM006_01.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/discountrcparts.com\/index.php\/product\/ramjam-racing-arrma-6s-4140-tool-steel-5mm-differential-input-cup-set\/\",\"url\":\"https:\/\/discountrcparts.com\/index.php\/product\/ramjam-racing-arrma-6s-4140-tool-steel-5mm-differential-input-cup-set\/\",\"name\":\"RamJam Racing Arrma 6s 4140 Tool Steel 5mm Differential Input Cup Set - 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