Heidts Pro-G Rear Suspension Package – Ultimate Bolt-On IRS for Classic Cars!
The Heidts Pro-G Rear Suspension Package (RM-101-PG) delivers modern performance and precision handling for classic cars. This fully independent rear suspension (IRS) system is a direct bolt-on upgrade, requiring no cutting or floor modifications—making it one of the easiest ways to achieve race-inspired handling without major fabrication.
Designed to handle high-horsepower applications, this system offers improved traction, ride quality, and cornering stability over traditional solid-axle setups. Whether you’re building a pro-touring machine or a high-performance street car, this kit delivers superior control and comfort.
Perfect for classic car enthusiasts who want modern handling without sacrificing drivability!
What’s Included in the Kit?
✅ Coilover Shock System – Provides a smooth, controlled ride with high-performance damping
✅ Single-Adjustable Upper Trailing Arms – Allows precise rear suspension tuning
✅ Single-Adjustable Lower Trailing Arms – Improves rear axle control & stability
✅ Trailing Arm Mount Braces & Hardware – Ensures secure & reinforced installation
✅ Panhard Bar – Helps maintain proper rear axle alignment
✅ Spherical Bearing Bushings – Reduces friction & enhances suspension movement
Achieve pro-touring levels of handling without sacrificing ride quality!
Technical Specifications
| Feature | Details |
|---|---|
| Brand | Heidts |
| Manufacturer Part # | RM-101-PG |
| Product Type | Rear Suspension Package |
| Rear Shock Type | Coilover |
| Coilover Springs Included? | ✅ Yes |
| Spring Finish | Gray/Silver |
| Suspension Package Finish | Bare |
| Bushings Included? | ✅ Yes |
| Bushing Material | Spherical Bearing |
| Sway Bar Included? | ❌ No |
| Watts Link Included? | ❌ No |
| Panhard Bar Included? | ✅ Yes |
| Adjustable Panhard Bar? | ❌ No |
| Upper Trailing Arms Included? | ✅ Yes |
| Adjustable Upper Trailing Arms? | ✅ Yes (Single Adjustable) |
| Lower Trailing Arms Included? | ✅ Yes |
| Adjustable Lower Trailing Arms? | ✅ Yes (Single Adjustable) |
| Trailing Arm Mount Braces Included? | ✅ Yes |
| Trailing Arm Hardware Included? | ✅ Yes |
| Third Member Included? | ❌ No |
| Axle Shafts Included? | ❌ No |
| Rotors & Calipers Included? | ❌ No |
| Quantity | Sold as a kit |
⚡ Upgrade your classic car with a state-of-the-art IRS system for race-ready performance!
Fitment & Compatibility
✔ Designed for Classic Car Applications
✔ Ideal for High-Performance Street Cars & Pro-Touring Builds
✔ No Cutting or Floor Modifications Required
Perfect for enthusiasts who want modern performance in a classic car!
Installation Notes & Tips
100% Bolt-On Installation – No Welding or Cutting Required
⚙️ Ensure Proper Suspension Alignment for Optimal Handling
Professional Installation Recommended for Precision Setup
⚠️ A proper alignment and ride height adjustment is necessary after installation for best performance!
❓ Frequently Asked Questions (FAQ)
What makes this rear suspension package better than a traditional solid axle?
- The independent rear suspension (IRS) design significantly improves ride comfort, traction, and handling by allowing each rear wheel to move independently over rough surfaces.
Does this kit require any cutting or welding?
- No! The Heidts Pro-G system is a fully bolt-on setup with no need for floor modifications.
Can I adjust the rear suspension for different driving conditions?
- Yes! The kit includes single-adjustable upper and lower trailing arms to fine-tune suspension geometry for your specific build.
Does this kit include rotors, calipers, or axle shafts?
- No. This package includes suspension components only—brake and drivetrain parts are sold separately.
Is this system suitable for daily driving?
- Absolutely! The Heidts Pro-G system delivers modern ride comfort and handling without sacrificing daily drivability.
Call to Action – Upgrade Your Classic Car’s Suspension Today!
Transform your classic car with the Heidts Pro-G Rear Suspension Package!
✔ Independent Rear Suspension for Modern Handling & Performance
✔ Bolt-On Installation with No Cutting or Welding Required
✔ Coilover Shock System for a Smoother Ride & Better Traction
✔ Adjustable Trailing Arms for Precision Suspension Tuning
Order Now & Experience the Future of Classic Car Suspension!



