
Timbren GMRC20 - Suspension Enhancement System - Weight Capacity 3000 lbs. - Rear Axle
Timbren Rear Suspension Enhancement Systems are specially designed to enhance the suspension of your vehicle. They provide additional support as needed for a smooth, comfortable ride and allow the leaf spring sufficient movement while cushioning light loads.
Key Features:- Suspension Enhancement System
- Weight Capacity 3000 lbs.
- Rear

Timbren was founded in 1965. Three years later the company introduced Aeon rubber springs and began manufacturing Suspension Enhancement Systems kits in 1982. Over the past 30 years Timbren has regularly presented new suspensions for trailers. Today, the company is a leader in the industry.
Year | Make | Model | Sub Model | Drivewheel |
---|---|---|---|---|
1973 - 1974 | CHEVROLET | BLAZER | BASE | Rear Wheel Drive |
1973 - 1974 | CHEVROLET | C10 | BASE | |
1975 - 1977 | CHEVROLET | C10 | CHEYENNE, CUSTOM DELUXE, SCOTTSDALE, SILVERADO | |
1978 - 1980 | CHEVROLET | C10 | BIG TEN, CHEYENNE, CUSTOM DELUXE, SCOTTSDALE, SILVERADO | |
1981 | CHEVROLET | C10 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | |
1982 - 1986 | CHEVROLET | C10 | CUSTOM, SCOTTSDALE, SILVERADO | |
1973 - 1974 | CHEVROLET | C20 | BASE | |
1975 - 1980 | CHEVROLET | C20 | CHEYENNE, CUSTOM DELUXE, SCOTTSDALE, SILVERADO | |
1981 | CHEVROLET | C20 | CHEYENNE, CUSTOM, DELUXE, SCOTTSDALE, SILVERADO | |
1982 - 1986 | CHEVROLET | C20 | CUSTOM, SCOTTSDALE, SILVERADO | |
1975 | CHEVROLET | K5 BLAZER | CHEYENNE, CUSTOM DELUXE | Rear Wheel Drive |
1977 | CHEVROLET | K5 BLAZER | CHEYENNE, CUSTOM DELUXE | Rear Wheel Drive |
1979 | CHEVROLET | K5 BLAZER | CHEYENNE, CUSTOM DELUXE | Rear Wheel Drive |
1976 | CHEVROLET | K5 BLAZER | BASE, CHEYENNE | Rear Wheel Drive |
1978 | CHEVROLET | K5 BLAZER | CHEYENNE, CUSTOM DELUXE, SILVERADO | Rear Wheel Drive |
1980 | CHEVROLET | K5 BLAZER | CHEYENNE, CUSTOM DELUXE, SILVERADO | Rear Wheel Drive |
1981 | CHEVROLET | K5 BLAZER | CUSTOM, DELUXE, SILVERADO | Rear Wheel Drive |
1982 - 1983 | CHEVROLET | K5 BLAZER | CUSTOM, SILVERADO | Rear Wheel Drive |
1984 | CHEVROLET | K5 BLAZER | CUSTOM, SCOTTSDALE, SILVERADO | Rear Wheel Drive |
1987 | CHEVROLET | R10 | CUSTOM DELUXE, SCOTTSDALE, SILVERADO | |
1987 | CHEVROLET | R20 | CUSTOM DELUXE, SCOTTSDALE, SILVERADO | |
1975 - 1978 | GMC | C15 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1973 - 1974 | GMC | C15/C1500 SUBURBAN | BASE | |
1973 - 1974 | GMC | C1500 | BASE | |
1975 - 1976 | GMC | C1500 | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1977 | GMC | C1500 | BASE, HEAVY HALF, HIGH SIERRA, INDY HAULER, SIERRA CLASSIC, SIERRA GRANDE | |
1978 - 1980 | GMC | C1500 | BASE, HEAVY HALF, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE, STREET COUPE | |
1981 - 1982 | GMC | C1500 | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE, STREET COUPE | |
1983 - 1986 | GMC | C1500 | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1979 - 1982 | GMC | C1500 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1983 - 1986 | GMC | C1500 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1992 | GMC | C1500 SUBURBAN | BASE, SLE | |
1975 - 1978 | GMC | C25 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1973 - 1974 | GMC | C25/C2500 | BASE | |
1975 - 1978 | GMC | C25/C2500 | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1973 - 1974 | GMC | C25/C2500 SUBURBAN | BASE | |
1979 - 1982 | GMC | C2500 | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1983 - 1986 | GMC | C2500 | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1979 - 1982 | GMC | C2500 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | |
1983 - 1986 | GMC | C2500 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1992 | GMC | C2500 SUBURBAN | BASE, SLE | |
1973 - 1974 | GMC | JIMMY | BASE | Rear Wheel Drive |
1975 - 1976 | GMC | JIMMY | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE | Rear Wheel Drive |
1977 | GMC | JIMMY | BASE, HIGH SIERRA, SIERRA GRANDE | Rear Wheel Drive |
1978 - 1982 | GMC | JIMMY | BASE, HIGH SIERRA, SIERRA CLASSIC, SIERRA GRANDE, STREET COUPE | Rear Wheel Drive |
1983 - 1984 | GMC | JIMMY | BASE, HIGH SIERRA, SIERRA CLASSIC | Rear Wheel Drive |
1987 | GMC | R1500 | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1987 | GMC | R1500 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1988 - 1989 | GMC | R1500 SUBURBAN | BASE, SIERRA CLASSIC | |
1990 | GMC | R1500 SUBURBAN | BASE, SLE | |
1991 | GMC | R1500 SUBURBAN | BASE | |
1987 | GMC | R2500 | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1987 | GMC | R2500 SUBURBAN | BASE, HIGH SIERRA, SIERRA CLASSIC | |
1988 - 1989 | GMC | R2500 SUBURBAN | BASE, SIERRA CLASSIC | |
1990 | GMC | R2500 SUBURBAN | BASE, SLE | |
1991 | GMC | R2500 SUBURBAN | BASE |