{"id":7020,"date":"2025-09-24T14:41:13","date_gmt":"2025-09-24T14:41:13","guid":{"rendered":"https:\/\/elevemotors.com\/product\/heidts-pro-g-independent-rear-suspension-kits-irc-800\/"},"modified":"2025-11-09T07:47:32","modified_gmt":"2025-11-09T07:47:32","slug":"heidts-pro-g-independent-rear-suspension-kits-irc-800","status":"publish","type":"product","link":"https:\/\/elevemotors.com\/de\/product\/heidts-pro-g-independent-rear-suspension-kits-irc-800\/","title":{"rendered":"Heidts Pro-G Independent Rear Suspension Kits IRC-800"},"content":{"rendered":"<h1 data-start=\"0\" data-end=\"83\"><strong data-start=\"2\" data-end=\"83\">  Heidts Pro-G Independent Rear Suspension Kit \u2013 Upgrade Your Muscle Car!  <\/strong><\/h1>\n<p data-start=\"751\" data-end=\"1120\">The <strong data-start=\"755\" data-end=\"809\">Heidts Pro-G Independent Rear Suspension (IRS) Kit<\/strong> is <strong data-start=\"813\" data-end=\"855\">a game-changer for classic muscle cars<\/strong>, delivering <strong data-start=\"868\" data-end=\"898\">modern suspension geometry<\/strong> and <strong data-start=\"903\" data-end=\"930\">track-ready performance<\/strong>. Designed to <strong data-start=\"944\" data-end=\"1008\">enhance handling, ride comfort, and overall driving dynamics<\/strong>, this IRS kit provides <strong data-start=\"1032\" data-end=\"1077\">1\/2 degree of camber curve at 3\/4 of bump<\/strong>, especially during high cornering loads.<\/p>\n<p data-start=\"1122\" data-end=\"1206\">  <strong data-start=\"1125\" data-end=\"1204\">Ideal for high-performance street, autocross, and road course applications!<\/strong><\/p>\n<hr data-start=\"1208\" data-end=\"1211\" \/>\n<h3 data-start=\"1213\" data-end=\"1253\"><strong data-start=\"1217\" data-end=\"1251\">  What\u2019s Included in the Kit?<\/strong><\/h3>\n<p data-start=\"1255\" data-end=\"2028\">\u2705 <strong data-start=\"1257\" data-end=\"1326\">Cast Iron Ford 9\u201d Center Section (Mounted in an Aluminum Housing)<\/strong> \u2013 Increases strength &amp; durability<br data-start=\"1360\" data-end=\"1363\" \/>\u2705 <strong data-start=\"1365\" data-end=\"1392\">31-Spline Posi-Traction<\/strong> \u2013 Ensures optimal power distribution to the wheels<br data-start=\"1443\" data-end=\"1446\" \/>\u2705 <strong data-start=\"1448\" data-end=\"1494\">Heavy-Duty Half Shaft CV Joint Axle Shafts<\/strong> \u2013 Built for high torque applications<br data-start=\"1531\" data-end=\"1534\" \/>\u2705 <strong data-start=\"1536\" data-end=\"1574\">Tubular Upper &amp; Lower Control Arms<\/strong> \u2013 Provides increased suspension travel &amp; improved cornering stability<br data-start=\"1644\" data-end=\"1647\" \/>\u2705 <strong data-start=\"1649\" data-end=\"1691\">Steel Outer Uprights &amp; Top Crossmember<\/strong> \u2013 Adds strength &amp; rigidity<br data-start=\"1718\" data-end=\"1721\" \/>\u2705 <strong data-start=\"1723\" data-end=\"1750\">Frame Mounting Brackets<\/strong> \u2013 Simplifies installation on compatible chassis<br data-start=\"1798\" data-end=\"1801\" \/>\u2705 <strong data-start=\"1803\" data-end=\"1843\">Wilwood Rear Brake Rotors &amp; Calipers<\/strong> \u2013 Provides high-performance braking capability<br data-start=\"1890\" data-end=\"1893\" \/>\u2705 <strong data-start=\"1895\" data-end=\"1981\">Billet Aluminum Single Adjustable Coilover Shocks with Silver Powdercoated Springs<\/strong> \u2013 Offers ride height &amp; damping adjustability<\/p>\n<p data-start=\"2030\" data-end=\"2098\">  <strong data-start=\"2033\" data-end=\"2096\">Everything you need for a complete rear suspension upgrade!<\/strong><\/p>\n<hr data-start=\"2100\" data-end=\"2103\" \/>\n<h2 data-start=\"2105\" data-end=\"2141\"><strong data-start=\"2108\" data-end=\"2139\">  Technical Specifications<\/strong><\/h2>\n<table data-start=\"2143\" data-end=\"2991\">\n<thead data-start=\"2143\" data-end=\"2172\">\n<tr data-start=\"2143\" data-end=\"2172\">\n<th data-start=\"2143\" data-end=\"2157\"><strong data-start=\"2145\" data-end=\"2156\">Feature<\/strong><\/th>\n<th data-start=\"2157\" data-end=\"2172\"><strong data-start=\"2159\" data-end=\"2170\">Details<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2201\" data-end=\"2991\">\n<tr data-start=\"2201\" data-end=\"2230\">\n<td><strong data-start=\"2203\" data-end=\"2218\">MFG. Part #<\/strong><\/td>\n<td>IRC-800<\/td>\n<\/tr>\n<tr data-start=\"2231\" data-end=\"2253\">\n<td><strong data-start=\"2233\" data-end=\"2242\">Brand<\/strong><\/td>\n<td>Heidts<\/td>\n<\/tr>\n<tr data-start=\"2254\" data-end=\"2313\">\n<td><strong data-start=\"2256\" data-end=\"2281\">Vehicle Compatibility<\/strong><\/td>\n<td>Muscle Cars &amp; Custom Builds<\/td>\n<\/tr>\n<tr data-start=\"2314\" data-end=\"2361\">\n<td><strong data-start=\"2316\" data-end=\"2353\">Independent Rear Suspension (IRS)<\/strong><\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr data-start=\"2362\" data-end=\"2434\">\n<td><strong data-start=\"2364\" data-end=\"2390\">Ford 9&#8243; Center Section<\/strong><\/td>\n<td>Cast Iron (Mounted in Aluminum Housing)<\/td>\n<\/tr>\n<tr data-start=\"2435\" data-end=\"2468\">\n<td><strong data-start=\"2437\" data-end=\"2461\">Axle Shafts Included<\/strong><\/td>\n<td>No<\/td>\n<\/tr>\n<tr data-start=\"2469\" data-end=\"2517\">\n<td><strong data-start=\"2471\" data-end=\"2493\">Upper Control Arms<\/strong><\/td>\n<td>Yes (Tubular Steel)<\/td>\n<\/tr>\n<tr data-start=\"2518\" data-end=\"2566\">\n<td><strong data-start=\"2520\" data-end=\"2542\">Lower Control Arms<\/strong><\/td>\n<td>Yes (Tubular Steel)<\/td>\n<\/tr>\n<tr data-start=\"2567\" data-end=\"2602\">\n<td><strong data-start=\"2569\" data-end=\"2590\">Control Arm Color<\/strong><\/td>\n<td>Natural<\/td>\n<\/tr>\n<tr data-start=\"2603\" data-end=\"2657\">\n<td><strong data-start=\"2605\" data-end=\"2629\">Rear Coilover Shocks<\/strong><\/td>\n<td>Yes (Single Adjustable)<\/td>\n<\/tr>\n<tr data-start=\"2658\" data-end=\"2710\">\n<td><strong data-start=\"2660\" data-end=\"2680\">Coilover Springs<\/strong><\/td>\n<td>Yes (Powdercoated Silver)<\/td>\n<\/tr>\n<tr data-start=\"2711\" data-end=\"2768\">\n<td><strong data-start=\"2713\" data-end=\"2740\">Wilwood Brakes Included<\/strong><\/td>\n<td>Yes (Rotors &amp; Calipers)<\/td>\n<\/tr>\n<tr data-start=\"2769\" data-end=\"2818\">\n<td><strong data-start=\"2771\" data-end=\"2792\">Sway Bar Included<\/strong><\/td>\n<td>Yes (0.875&#8243; Diameter)<\/td>\n<\/tr>\n<tr data-start=\"2819\" data-end=\"2851\">\n<td><strong data-start=\"2821\" data-end=\"2844\">Watts Link Included<\/strong><\/td>\n<td>No<\/td>\n<\/tr>\n<tr data-start=\"2852\" data-end=\"2885\">\n<td><strong data-start=\"2854\" data-end=\"2878\">Panhard Bar Included<\/strong><\/td>\n<td>No<\/td>\n<\/tr>\n<tr data-start=\"2886\" data-end=\"2932\">\n<td><strong data-start=\"2888\" data-end=\"2909\">Bushings Included<\/strong><\/td>\n<td>Yes (Polyurethane)<\/td>\n<\/tr>\n<tr data-start=\"2933\" data-end=\"2991\">\n<td><strong data-start=\"2935\" data-end=\"2951\">Installation<\/strong><\/td>\n<td>Bolt-On &amp; Weld-In Options Available<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-start=\"2993\" data-end=\"3072\">  <strong data-start=\"2996\" data-end=\"3070\">Designed for track-level performance while maintaining street comfort!<\/strong><\/p>\n<hr data-start=\"3074\" data-end=\"3077\" \/>\n<h2 data-start=\"3079\" data-end=\"3114\"><strong data-start=\"3082\" data-end=\"3112\">  Fitment &amp; Compatibility<\/strong><\/h2>\n<p data-start=\"3116\" data-end=\"3349\">\u2714 <strong data-start=\"3118\" data-end=\"3188\">Perfect for Muscle Cars &amp; Custom Builds Looking for an IRS Upgrade<\/strong><br data-start=\"3188\" data-end=\"3191\" \/>\u2714 <strong data-start=\"3193\" data-end=\"3242\">Direct Bolt-On &amp; Weld-In Installation Options<\/strong><br data-start=\"3242\" data-end=\"3245\" \/>\u2714 <strong data-start=\"3247\" data-end=\"3288\">Compatible with Ford 9\u201d Differentials<\/strong><br data-start=\"3288\" data-end=\"3291\" \/>\u2714 <strong data-start=\"3293\" data-end=\"3347\">Custom Spring Rate Options Available Upon Ordering<\/strong><\/p>\n<p data-start=\"3351\" data-end=\"3435\">  <strong data-start=\"3354\" data-end=\"3433\">Engineered for both high-performance street use &amp; aggressive track driving!<\/strong><\/p>\n<hr data-start=\"3437\" data-end=\"3440\" \/>\n<h2 data-start=\"3442\" data-end=\"3479\"><strong data-start=\"3445\" data-end=\"3477\">  Installation Notes &amp; Tips<\/strong><\/h2>\n<p data-start=\"3481\" data-end=\"3527\">  <strong data-start=\"3484\" data-end=\"3525\">Professional Installation Recommended<\/strong><\/p>\n<ul data-start=\"3528\" data-end=\"3728\">\n<li data-start=\"3528\" data-end=\"3581\">Some <strong data-start=\"3535\" data-end=\"3562\">welding may be required<\/strong> for a secure fit<\/li>\n<li data-start=\"3582\" data-end=\"3655\">The <strong data-start=\"3588\" data-end=\"3653\">rear differential, axles, &amp; brakes must be sourced separately<\/strong><\/li>\n<li data-start=\"3656\" data-end=\"3728\">Specify your <strong data-start=\"3671\" data-end=\"3686\">spring rate<\/strong> when ordering for optimized performance<\/li>\n<\/ul>\n<p data-start=\"3730\" data-end=\"3817\">  <strong data-start=\"3733\" data-end=\"3815\">Upgrade your suspension for precision handling &amp; improved cornering stability!<\/strong><\/p>\n<hr data-start=\"3819\" data-end=\"3822\" \/>\n<h2 data-start=\"3824\" data-end=\"3867\"><strong data-start=\"3827\" data-end=\"3865\">\u2753 Frequently Asked Questions (FAQ)<\/strong><\/h2>\n<p data-start=\"3869\" data-end=\"3933\">  <strong data-start=\"3872\" data-end=\"3931\">How does this IRS kit improve my vehicle\u2019s performance?<\/strong><\/p>\n<ul data-start=\"3934\" data-end=\"4142\">\n<li data-start=\"3934\" data-end=\"4142\">This <strong data-start=\"3941\" data-end=\"3972\">independent rear suspension<\/strong> provides <strong data-start=\"3982\" data-end=\"4069\">better weight distribution, improved ride quality, and enhanced cornering stability<\/strong>, making it <strong data-start=\"4081\" data-end=\"4139\">ideal for high-performance street &amp; track applications<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"4144\" data-end=\"4201\">  <strong data-start=\"4147\" data-end=\"4199\">Can I install this kit on my classic muscle car?<\/strong><\/p>\n<ul data-start=\"4202\" data-end=\"4328\">\n<li data-start=\"4202\" data-end=\"4328\">Yes! This <strong data-start=\"4214\" data-end=\"4239\">bolt-on &amp; weld-in kit<\/strong> is <strong data-start=\"4243\" data-end=\"4290\">compatible with a wide range of muscle cars<\/strong> that use <strong data-start=\"4300\" data-end=\"4325\">Ford 9&#8243; differentials<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"4330\" data-end=\"4380\">  <strong data-start=\"4333\" data-end=\"4378\">Is the differential included in this kit?<\/strong><\/p>\n<ul data-start=\"4381\" data-end=\"4456\">\n<li data-start=\"4381\" data-end=\"4456\">No, the <strong data-start=\"4391\" data-end=\"4453\">differential, axles, and brakes must be sourced separately<\/strong>.<\/li>\n<\/ul>\n<p data-start=\"4458\" data-end=\"4519\">  <strong data-start=\"4461\" data-end=\"4517\">What are the advantages of an IRS over a solid axle?<\/strong><\/p>\n<ul data-start=\"4520\" data-end=\"4720\">\n<li data-start=\"4520\" data-end=\"4720\">The <strong data-start=\"4526\" data-end=\"4546\">Heidts Pro-G IRS<\/strong> significantly reduces <strong data-start=\"4569\" data-end=\"4641\">unsprung weight, improves traction, and enhances cornering stability<\/strong>, giving you <strong data-start=\"4654\" data-end=\"4675\">superior handling<\/strong> compared to traditional solid axle setups.<\/li>\n<\/ul>\n<p data-start=\"4722\" data-end=\"4786\">  <strong data-start=\"4725\" data-end=\"4784\">Do I need special tools to install this suspension kit?<\/strong><\/p>\n<ul data-start=\"4787\" data-end=\"4913\">\n<li data-start=\"4787\" data-end=\"4913\">Basic hand tools and <strong data-start=\"4810\" data-end=\"4831\">welding equipment<\/strong> may be required for installation. <strong data-start=\"4866\" data-end=\"4911\">Professional installation is recommended.<\/strong><\/li>\n<\/ul>\n<hr data-start=\"4915\" data-end=\"4918\" \/>\n<h2 data-start=\"4920\" data-end=\"4979\"><strong data-start=\"4923\" data-end=\"4977\">  Call to Action \u2013 Upgrade Your Suspension Today!<\/strong><\/h2>\n<p data-start=\"4981\" data-end=\"5065\">  <strong data-start=\"4984\" data-end=\"5063\">Get the ultimate independent rear suspension upgrade with Heidts Pro-G IRS!<\/strong><\/p>\n<p data-start=\"5067\" data-end=\"5399\">\u2714 <strong data-start=\"5069\" data-end=\"5123\">Independent Rear Suspension for Precision Handling<\/strong><br data-start=\"5123\" data-end=\"5126\" \/>\u2714 <strong data-start=\"5128\" data-end=\"5187\">Heavy-Duty Components for Maximum Strength &amp; Durability<\/strong><br data-start=\"5187\" data-end=\"5190\" \/>\u2714 <strong data-start=\"5192\" data-end=\"5262\">Tubular Control Arms &amp; Adjustable Coilovers for Custom Performance<\/strong><br data-start=\"5262\" data-end=\"5265\" \/>\u2714 <strong data-start=\"5267\" data-end=\"5330\">Wilwood Brake Rotors &amp; Calipers for Superior Stopping Power<\/strong><br data-start=\"5330\" data-end=\"5333\" \/>\u2714 <strong data-start=\"5335\" data-end=\"5397\">Bolt-On Installation with Weld-In Options for a Secure Fit<\/strong><\/p>\n<p data-start=\"5401\" data-end=\"5477\">  <strong data-start=\"5404\" data-end=\"5472\">Order Now &amp; Experience the Next Level of Suspension Performance!<\/strong>  <\/p>\n<h1 class=\"part-detail-section-header h2\"><strong>Overview<\/strong><\/h1>\n<div class=\"attribute-container flex-container flex-wrap\">\n<div class=\"small-12 medium-9 large-6\"><strong>Brand:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Heidts<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Manufacturer&#8217;s Part Number:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">IRC-800<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Part Type:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Rear Suspension Packages<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Product Line:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Heidts Pro-G Independent Rear Suspension Kits<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Summit Racing Part Number:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">HDT-IRC-800<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>UPC:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">00887753178817<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Third Member Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Third Member Case Style:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Ford 9 inch<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Third Member Case Material:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Aluminum<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Pinion Support Material:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Steel<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Pinion Support Finish:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Natural<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Axle Shafts Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Upper Control Arms Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Lower Control Arms Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Control Arm Style:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Tubular<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Control Arm Material:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Steel<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Control Arm Color:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Natural<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Air Bags Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Rear Shocks\/Struts Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Rear Shock Type:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Single adjustable coilover<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Coilover Springs Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Spring Finish:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Gray\/Silver<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Suspension Package Finish:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Bare<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Bushings Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Bushing Material:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Polyurethane<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Bushing Color:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Black<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Sway Bar Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Yes<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Sway Bar Diameter (in.):<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">0.875 in.<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Sway Bar Diameter (mm):<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">22.00 mm<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Watts Link Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Panhard Bar Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Adjustable Panhard Bar Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Upper Trailing Arms Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Adjustable Upper Trailing Arms Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Lower Trailing Arms Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Adjustable Lower Trailing Arms Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Trailing Arm Mount Braces Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Trailing Arm Hardware Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Rotors Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Calipers Included:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">No<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Quantity:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">Sold as a kit.<\/div>\n<div class=\"small-12 medium-9 large-6\"><strong>Notes:<\/strong><\/div>\n<div class=\"small-12 medium-15 large-18\">This is the base kit with no differential, axles, or brakes. Specify spring rate when ordering.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Heidts Pro-G Independent Rear Suspension Kit \u2013 Upgrade Your Muscle Car! The Heidts Pro-G Independent Rear Suspension (IRS) Kit is a game-changer for classic muscle cars, delivering modern suspension geometry and track-ready performance. Designed to enhance handling, ride comfort, and overall driving dynamics, this IRS kit provides 1\/2 degree of camber curve at 3\/4 of [&#8230;]\n","protected":false},"featured_media":7021,"comment_status":"closed","ping_status":"open","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[487],"product_tag":[],"class_list":{"0":"post-7020","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-car-chassis-suspension-kits","8":"first","9":"instock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.4 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Heidts Pro-G Independent Rear Suspension Kits IRC-800 - Eleve Motors LLC<\/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:\/\/elevemotors.com\/de\/produkt\/heidts-pro-g-independent-rear-suspension-kits-irc-800\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heidts Pro-G Independent Rear Suspension Kits IRC-800\" \/>\n<meta property=\"og:description\" content=\"Heidts Pro-G Independent Rear Suspension Kit \u2013 Upgrade Your Muscle Car! The Heidts Pro-G Independent Rear Suspension (IRS) Kit is a game-changer for classic muscle cars, delivering modern suspension geometry and track-ready performance. 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