QA1 1988-98 C1500 Rear Coilover Conversion Systems R140-170

QA1 1988-98 C1500 Rear Coilover Conversion System – Ultimate Performance Upgrade! The QA1 1988-98 C1500 Rear Coilover Conversion System (R140-170) is a high-performance rear suspension upgrade that replaces outdated leaf springs with adjustable coilovers, an adjustable panhard bar, and trailing arms . This easy-to-install system enhances handling, ride comfort, and suspension control while maintaining full adjustability. Perfect for street performance, towing, and daily driving applications! What’s Included in the Kit? ✅ QA1 Adjustable Coilover Shocks – Fine-tune damping for performance or comfort ✅ 170 lbs./in. Coilover Springs – Designed for a smooth yet stable ride ✅ Adjustable Panhard Bar – Ensures proper rear axle alignment ✅ Torque Arm Suspension with C-Notch Bracket – Improves rear-end stability & support ✅ Adjustable Lower Trailing Arms – Allows fine-tuning of suspension geometry ✅ All Necessary Mounting Hardware – Complete installation package Everything you need for a modern-handling C1500 in one complete package! Technical Specifications Feature Details Brand QA1 Manufacturer Part # R140-170 Product Type Rear Suspension Package Designed For 1988-98 Chevy/GMC C1500 (10-Bolt Differential Only) Ride Height Adjustment 4-7 inches of drop Shock Type Single Adjustable Coilover Coilover Spring Rate 170 lbs./in. Spring Finish Gray/Silver Suspension Finish Black Powdercoated Adjustable Panhard Bar ✅ Yes (On-Car Adjustable) Lower Trailing Arms ✅ Yes (On-Car Adjustable) Trailing Arm Mount Braces ✅ Yes Bed Removal Required? ❌ No Welding Required? ❌ No Hardware Included? ✅ Yes Brake Components Included? ❌ No Quantity Sold as a kit ⚡ Optimized for enhanced stability, improved traction, and a modern ride feel! Fitment & Compatibility ✔ Fits 1988-1998 Chevrolet & GMC C1500 Models ✔ Designed for trucks with 10-bolt rear differentials only ✔ Compatible with factory and aftermarket wheels/suspension setups Ensure proper fitment before purchasing! Installation Notes & Tips Direct Bolt-On Installation – No welding or bed removal required ⚙️ Includes all necessary hardware for easy install Adjustable panhard bar ensures proper rear axle alignment Professional installation recommended for best performance ⚠️ Not compatible with 12-bolt rear differentials ❓ Frequently Asked Questions (FAQ) How does this system improve handling over stock suspension? The QA1 coilover conversion eliminates factory leaf springs and replaces them with adjustable coilovers and a panhard bar , providing better handling, reduced body roll, and superior ride quality . Is this a direct bolt-on kit? Yes! This system bolts directly to factory mounting points with no cutting or welding required . Can I adjust my ride height with this kit? Yes! The system allows for a 4 to 7-inch rear drop for a more aggressive stance. Will this work with my stock wheels and brakes? Yes! The kit is compatible with stock and aftermarket setups . Does this kit include disc brakes? No. The system does not include brakes , but is compatible with factory and aftermarket brake setups . Call to Action – Upgrade Your C1500’s Suspension Today! Transform your classic Chevy/GMC truck with the QA1 1988-98 C1500 Rear Coilover Conversion System! ✔ Upgrade your suspension for modern performance ✔ Lower your truck 4-7 inches for a custom stance ✔ Improve handling, ride quality, and axle alignment ✔ Bolt-on installation – No welding or bed removal required! Order Now & Experience the Best Rear Suspension Upgrade for Your C1500! Overview Brand: QA1 Manufacturer’s Part Number: R140-170 Part Type: Rear Suspension Packages Product Line: QA1 1988-98 C1500 Rear Coilover Conversion Systems Summit Racing Part Number: QA1-R140-170 UPC: 806990158932 Third Member Included: No Axle Shafts Included: No Upper Control Arms Included: No Lower Control Arms Included: No Air Bags Included: No Rear Shocks/Struts Included: Yes Rear Shock Type: Single adjustable coilover Coilover Springs Included: Yes Coilover Spring Rate (lbs/in): 170 lbs./in. Spring Finish: Gray/Silver Suspension Package Finish: Black powdercoated Bushings Included: No Sway Bar Included: No Watts Link Included: No Panhard Bar Included: Yes Adjustable Panhard Bar Included: Yes Adjustable Panhard Bar Type: On car adjustable Upper Trailing Arms Included: No Adjustable Upper Trailing Arms Included: No Lower Trailing Arms Included: Yes Adjustable Lower Trailing Arms Included: Yes Adjustable Lower Trailing Arms Type: On car adjustable Trailing Arm Mount Braces Included: Yes Trailing Arm Hardware Included: Yes Rotors Included: No Calipers Included: No Quantity: Sold as a kit. Notes: For 4.000-7.000 in. of rear drop. Fit models with 10-bolt rear differentials only.