Heidts Pro-G Independent Rear Suspension Kits IRC-800

Heidts Pro-G Independent Rear Suspension Kit – 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 bump , especially during high cornering loads. Ideal for high-performance street, autocross, and road course applications! What’s Included in the Kit? ✅ Cast Iron Ford 9” Center Section (Mounted in an Aluminum Housing) – Increases strength & durability ✅ 31-Spline Posi-Traction – Ensures optimal power distribution to the wheels ✅ Heavy-Duty Half Shaft CV Joint Axle Shafts – Built for high torque applications ✅ Tubular Upper & Lower Control Arms – Provides increased suspension travel & improved cornering stability ✅ Steel Outer Uprights & Top Crossmember – Adds strength & rigidity ✅ Frame Mounting Brackets – Simplifies installation on compatible chassis ✅ Wilwood Rear Brake Rotors & Calipers – Provides high-performance braking capability ✅ Billet Aluminum Single Adjustable Coilover Shocks with Silver Powdercoated Springs – Offers ride height & damping adjustability Everything you need for a complete rear suspension upgrade! Technical Specifications Feature Details MFG. Part # IRC-800 Brand Heidts Vehicle Compatibility Muscle Cars & Custom Builds Independent Rear Suspension (IRS) Yes Ford 9″ Center Section Cast Iron (Mounted in Aluminum Housing) Axle Shafts Included No Upper Control Arms Yes (Tubular Steel) Lower Control Arms Yes (Tubular Steel) Control Arm Color Natural Rear Coilover Shocks Yes (Single Adjustable) Coilover Springs Yes (Powdercoated Silver) Wilwood Brakes Included Yes (Rotors & Calipers) Sway Bar Included Yes (0.875″ Diameter) Watts Link Included No Panhard Bar Included No Bushings Included Yes (Polyurethane) Installation Bolt-On & Weld-In Options Available Designed for track-level performance while maintaining street comfort! Fitment & Compatibility ✔ Perfect for Muscle Cars & Custom Builds Looking for an IRS Upgrade ✔ Direct Bolt-On & Weld-In Installation Options ✔ Compatible with Ford 9” Differentials ✔ Custom Spring Rate Options Available Upon Ordering Engineered for both high-performance street use & aggressive track driving! Installation Notes & Tips Professional Installation Recommended Some welding may be required for a secure fit The rear differential, axles, & brakes must be sourced separately Specify your spring rate when ordering for optimized performance Upgrade your suspension for precision handling & improved cornering stability! ❓ Frequently Asked Questions (FAQ) How does this IRS kit improve my vehicle’s performance? This independent rear suspension provides better weight distribution, improved ride quality, and enhanced cornering stability , making it ideal for high-performance street & track applications . Can I install this kit on my classic muscle car? Yes! This bolt-on & weld-in kit is compatible with a wide range of muscle cars that use Ford 9″ differentials . Is the differential included in this kit? No, the differential, axles, and brakes must be sourced separately . What are the advantages of an IRS over a solid axle? The Heidts Pro-G IRS significantly reduces unsprung weight, improves traction, and enhances cornering stability , giving you superior handling compared to traditional solid axle setups. Do I need special tools to install this suspension kit? Basic hand tools and welding equipment may be required for installation. Professional installation is recommended. Call to Action – Upgrade Your Suspension Today! Get the ultimate independent rear suspension upgrade with Heidts Pro-G IRS! ✔ Independent Rear Suspension for Precision Handling ✔ Heavy-Duty Components for Maximum Strength & Durability ✔ Tubular Control Arms & Adjustable Coilovers for Custom Performance ✔ Wilwood Brake Rotors & Calipers for Superior Stopping Power ✔ Bolt-On Installation with Weld-In Options for a Secure Fit Order Now & Experience the Next Level of Suspension Performance! Overview Brand: Heidts Manufacturer’s Part Number: IRC-800 Part Type: Rear Suspension Packages Product Line: Heidts Pro-G Independent Rear Suspension Kits Summit Racing Part Number: HDT-IRC-800 UPC: 00887753178817 Third Member Included: No Third Member Case Style: Ford 9 inch Third Member Case Material: Aluminum Pinion Support Material: Steel Pinion Support Finish: Natural Axle Shafts Included: No Upper Control Arms Included: Yes Lower Control Arms Included: Yes Control Arm Style: Tubular Control Arm Material: Steel Control Arm Color: Natural Air Bags Included: No Rear Shocks/Struts Included: Yes Rear Shock Type: Single adjustable coilover Coilover Springs Included: Yes Spring Finish: Gray/Silver Suspension Package Finish: Bare Bushings Included: Yes Bushing Material: Polyurethane Bushing Color: Black Sway Bar Included: Yes Sway Bar Diameter (in.): 0.875 in. Sway Bar Diameter (mm): 22.00 mm Watts Link Included: No Panhard Bar Included: No Adjustable Panhard Bar Included: No Upper Trailing Arms Included: No Adjustable Upper Trailing Arms Included: No Lower Trailing Arms Included: No Adjustable Lower Trailing Arms Included: No Trailing Arm Mount Braces Included: No Trailing Arm Hardware Included: No Rotors Included: No Calipers Included: No Quantity: Sold as a kit. Notes: This is the base kit with no differential, axles, or brakes. Specify spring rate when ordering.