# KYB KG4550 High Pressure MonoTube Gas Shock for 1965–1985 Avanti II ### Performance Overview KYB Gas-a-Just Shocks and Struts use higher gas pressure to keep your tires glued to the road. Their monotube configuration eliminates aeration and foaming, their micro-smooth, hard-chromed pistons extend their life, and their seamless cylinders and eyerings completely eliminate seam failures. KYB is a worldwide leading supplier of shocks and struts to new vehicle manufacturers. World-Class engineering and quality have made KYB the original equipment shocks for Lexus, Toyota, Saturn, Infiniti, Chrysler, and Ford. Their products are made from the highest quality materials, and guarantee to deliver superior handling, comfort, and control. ### Key Features - Internal Design: Monotube - Adjustable: No - Gas Charged: Yes - Boot Included: No - Quantity: Sold individually. ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1965 Avanti II 1966 Avanti II 1967 Avanti II 1968 Avanti II 1969 Avanti II 1970 Avanti II 1971 Avanti II 1972 Avanti II 1973 Avanti II 1974 Avanti II 1975 Avanti II 1976 Avanti II 1977 Avanti II 1978 Avanti II 1979 Avanti II 1980 Avanti II 1981 Avanti II 1982 Avanti II 1983 Avanti II 1984 Avanti II 1985 Avanti II 1955 Chevrolet BEL AIR 1956 Chevrolet BEL AIR 1957 Chevrolet BEL AIR 1958 Chevrolet BEL AIR 1959 Chevrolet BEL AIR 1960 Chevrolet BEL AIR 1961 Chevrolet BEL AIR 1962 Chevrolet BEL AIR 1963 Chevrolet BEL AIR 1964 Chevrolet BEL AIR 1958 Chevrolet Biscayne 1959 Chevrolet Biscayne 1960 Chevrolet Biscayne 1961 Chevrolet Biscayne 1962 Chevrolet Biscayne 1963 Chevrolet Biscayne 1964 Chevrolet Biscayne 1960 Chevrolet Corvair 1961 Chevrolet Corvair 1962 Chevrolet Corvair 1963 Chevrolet Corvair 1964 Chevrolet Corvair 1963 Chevrolet Corvette 1964 Chevrolet Corvette 1965 Chevrolet Corvette 1966 Chevrolet Corvette 1967 Chevrolet Corvette 1968 Chevrolet Corvette 1969 Chevrolet Corvette 1970 Chevrolet Corvette 1971 Chevrolet Corvette 1972 Chevrolet Corvette 1973 Chevrolet Corvette 1974 Chevrolet Corvette 1975 Chevrolet Corvette 1976 Chevrolet Corvette 1977 Chevrolet Corvette 1978 Chevrolet Corvette 1979 Chevrolet Corvette 1980 Chevrolet Corvette 1981 Chevrolet Corvette 1982 Chevrolet Corvette 1959 Chevrolet Impala 1960 Chevrolet Impala 1961 Chevrolet Impala 1962 Chevrolet Impala 1963 Chevrolet Impala 1964 Chevrolet Impala 1958 Pontiac Bonneville Coupe (2 Door), Sedan (4 Door), Station Wagon 1959 Pontiac Bonneville Coupe (2 Door), Sedan (4 Door), Station Wagon 1960 Pontiac Bonneville Coupe (2 Door), Sedan (4 Door), Station Wagon 1961 Pontiac Bonneville 1962 Pontiac Bonneville 1958 Pontiac Catalina 1959 Pontiac Catalina 1960 Pontiac Catalina 1961 Pontiac Catalina 1962 Pontiac Catalina 1967 Volvo 142 1968 Volvo 142 1969 Volvo 142 1970 Volvo 142 1971 Volvo 142 1972 Volvo 142 1973 Volvo 142 1974 Volvo 142 1967 Volvo 144 1968 Volvo 144 1969 Volvo 144 1970 Volvo 144 1971 Volvo 144 1972 Volvo 144 1973 Volvo 144 1974 Volvo 144 1968 Volvo 145 1969 Volvo 145 1970 Volvo 145 1971 Volvo 145 1972 Volvo 145 1973 Volvo 145 1974 Volvo 145 1969 Volvo 164 1970 Volvo 164 1971 Volvo 164 1972 Volvo 164 1973 Volvo 164 1974 Volvo 164 1975 Volvo 164 ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase. **What part number is this?** The listed part number is KG4550. **Is this product designed for direct replacement?** Yes. This product is intended to match the compatible vehicle applications listed in the fitment table. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering. ### Common Searches - High Pressure MonoTube Gas Shock for Avanti II - KG4550 fitment - KYB High Pressure MonoTube Gas Shock - 1965–1985 Avanti II High Pressure MonoTube Gas Shock - KYB KG4550 replacement ## Details - **Price:** 112.5 CAD - **Vendor:** KYB - **Type:** High Pressure MonoTube Gas Shock - **Tags:** 1955–1964 Chevrolet BEL AIR, 1958–1960 Pontiac Bonneville, 1958–1962 Pontiac Catalina, 1958–1964 Chevrolet Biscayne, 1959–1964 Chevrolet Impala, 1960–1964 Chevrolet Corvair, 1961–1962 Pontiac Bonneville, 1963–1982 Chevrolet Corvette, 1965–1985 Avanti II, 1967–1974 Volvo 142, 1967–1974 Volvo 144, 1968–1974 Volvo 145, 1969–1975 Volvo 164, Gas Charged, High Pressure MonoTube Gas Shock, KG4550, KYB, Monotube, OE Replacement, Suspension ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 112.50 CAD | In stock | ## Images - KYB KG4550 High Pressure MonoTube Gas Shock for 1965–1985 Avanti II --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/kyb-shock-absorber-kg4550) > Updated: 2026-07-17