ST Suspension Muscle Car Rear Lowering Springs - 1.0" Lowering (68310) - GM A-Body / G-Body Platforms
Complete the stance and improve the rear-end handling stability of your classic GM muscle car or truck with ST Suspension Muscle Car Rear Lowering Springs. Specifically engineered for classic mid-size GM rear-wheel-drive platforms, this rear spring set drops the vehicle's rear ride height by 1.0 inch, eliminating excessive rear rake and delivering an aggressive, level performance posture.
Manufactured by KW Automotive, ST Muscle Car Springs are cold-wound from high-tensile chrome silicon steel to prevent sagging and maintain precise spring rates under heavy payloads or hard acceleration. Multi-tempered for durability and finished with a protective epoxy coating, these rear coil springs control squat during acceleration and minimize body roll while ensuring long-lasting performance and reliable ride quality on the street or highway.
Features
- Lowers rear ride height by 1.0 inch for an aggressive, level stance and optimized center of gravity
- Reduces rear squat during acceleration and controls body roll through corners
- Cold-wound construction using high-grade chrome silicon steel for extreme durability
- Multi-tempered heat treatment prevents coil sagging and maintains consistent spring rates over time
- Durable epoxy powder coat protects against rust, corrosion, and road debris
- Engineered by KW Automotive for optimal street performance and classic muscle car ride quality
Fitment Notes
- Position: Rear Springs Only.
- Lowering Amount: 1.0" Rear.
- Fits classic GM A-Body (1967-1972) and G-Body (1978-1988) platforms including Chevelle, Malibu, El Camino, Monte Carlo, Regal, and Skylark models.
Fitment
1967 Buick Skylark Base 4.9L / 5.6L / 6.6L V8 Coupe / Hardtop / Sedan RWD
1968 Buick Skylark Base / Custom 5.7L / 6.6L V8 Coupe / Hardtop / Sedan RWD
1969 Buick Skylark Base / Custom 5.7L V8 Hardtop / Sedan RWD
1970 Buick Skylark Base / Custom 5.7L V8 Hardtop / Sedan RWD
1971 Buick Skylark Base / Custom 5.7L V8 Coupe / Hardtop / Sedan RWD
1972 Buick Skylark Base / Custom 5.7L V8 Coupe / Hardtop / Sedan RWD
1978 Buick Regal Base / Limited 5.0L V8 Coupe RWD
1979 Buick Regal Base / Limited 4.9L / 5.0L V8 Coupe RWD
1980 Buick Regal Base / Limited 4.9L / 5.0L V8 Coupe RWD
1983 Buick Regal T-Type 3.8L V6 Turbo Coupe RWD
1984 Buick Regal Grand National / T-Type 3.8L V6 Turbo Coupe RWD
1985 Buick Regal Grand National / T-Type 3.8L V6 Turbo Coupe RWD
1986 Buick Regal Base / Grand National / Limited / T-Type 3.8L V6 / 5.0L V8 Coupe RWD
1987 Buick Regal Base / GNX / Grand National / Limited 3.8L V6 / 5.0L V8 Coupe RWD
1967 Chevrolet Chevelle 300 / 300 Deluxe / SS 4.6L / 5.3L / 6.5L V8 Hardtop / Sedan RWD
1967 Chevrolet Malibu Base 4.6L / 5.3L / 6.5L V8 Hardtop / Sedan RWD
1968 Chevrolet Chevelle 300 / 300 Deluxe / Concours / Malibu / SS 5.0L / 5.3L / 5.7L / 6.5L V8 Coupe / Hardtop / Sedan RWD
1969 Chevrolet Chevelle 300 Deluxe / Concours / Malibu / SS 5.0L / 5.7L / 6.5L V8 Hardtop / Sedan RWD
1970 Chevrolet Chevelle Base / Concours / Malibu / SS 5.0L / 5.7L / 6.5L / 6.6L V8 Hardtop / Sedan RWD
1971 Chevrolet Chevelle Base / Concours / Malibu 5.0L / 5.7L / 6.6L V8 Hardtop / Sedan RWD
1971 Chevrolet Monte Carlo Base 5.7L V8 Hardtop RWD
1972 Chevrolet Chevelle Base / Concours / Malibu 5.0L / 5.7L / 6.6L V8 Hardtop / Sedan RWD
1972 Chevrolet Monte Carlo Base 5.7L V8 Hardtop RWD
1978 Chevrolet El Camino Base / Conquista / SS 5.0L / 5.7L V8 Standard Cab Pickup RWD
1978 Chevrolet Malibu Base / Classic / Classic Landau 5.0L / 5.7L V8 Coupe / Sedan RWD
1978 Chevrolet Monte Carlo Landau / Sport 5.0L V8 Coupe RWD
1979 Chevrolet El Camino Base / Royal Knight / SS 4.4L / 5.0L / 5.7L V8 Standard Cab Pickup RWD
1979 Chevrolet Malibu Base / Classic / Landau / Police / Sport 4.4L / 5.0L / 5.7L V8 Coupe / Sedan RWD
1979 Chevrolet Monte Carlo Base / Landau 4.4L / 5.0L V8 Coupe RWD
1980 Chevrolet El Camino Base / Royal Knight / SS 4.4L / 5.0L V8 Standard Cab Pickup RWD
1980 Chevrolet Malibu Base / Classic / Sport 4.4L / 5.0L / 5.7L V8 Coupe / Sedan RWD
1980 Chevrolet Monte Carlo Landau / Sport 4.4L / 5.0L V8 Coupe RWD
1981 Chevrolet El Camino Base / Conquista / Royal Knight / SS 4.4L / 5.0L V8 Standard Cab Pickup RWD
1981 Chevrolet Malibu Base / Classic / Landau 4.4L / 5.0L / 5.7L V8 Coupe / Sedan RWD
1981 Chevrolet Monte Carlo Base / Landau 4.4L / 5.0L V8 Coupe RWD
1982 Chevrolet El Camino Base / Conquista / SS 4.4L / 5.0L V8 Standard Cab Pickup RWD
1982 Chevrolet Malibu Classic 4.4L / 5.0L V8 Sedan RWD
1982 Chevrolet Monte Carlo Base 4.4L / 5.0L V8 Coupe RWD
1983 Chevrolet El Camino Base / Conquista / SS 5.0L V8 Standard Cab Pickup RWD
1983 Chevrolet Malibu Classic 5.0L V8 Sedan RWD
1983 Chevrolet Monte Carlo Base / CL / SS 5.0L V8 Coupe RWD
1984 Chevrolet El Camino Base / Conquista / SS 5.0L V8 Standard Cab Pickup RWD
1984 Chevrolet Monte Carlo Base / SS 5.0L V8 Coupe RWD
1985 Chevrolet El Camino Base / Conquista / SS 5.0L V8 Standard Cab Pickup RWD
1985 Chevrolet Monte Carlo Base / SS 5.0L V8 Coupe RWD
1986 Chevrolet El Camino Base / Conquista / SS 5.0L V8 Standard Cab Pickup RWD
1986 Chevrolet Monte Carlo Base / LS / SS 5.0L V8 Coupe RWD
1987 Chevrolet El Camino Base / SS 5.0L V8 Standard Cab Pickup RWD
1987 Chevrolet Monte Carlo Base / LS / SS 5.0L V8 Coupe RWD
1988 Chevrolet Monte Carlo Base / LS / SS 5.0L V8 Coupe RWD
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