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Heidts Pro-G Independent Rear Suspension Kits IRC-800

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Parts & Accessories

Heidts Pro-G Independent Rear Suspension Kits IRC-800

SKU 72bc696368fd

Car Chassis & Suspension Kits

$7,199.65

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No warranty

Commercial use may carry a shorter period than pleasure use.

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Freight — heavy / crated — from $599. Ships in 1–3 business days, 3–10 business days in transit.

Freight damage must be noted on the delivery receipt and reported within 48 hours of delivery.

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Specification

3 fields

Part number
72bc696368fd
Department
Parts & Accessories
Category
Car Chassis & Suspension Kits

In the seller's words

Description

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.

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