{"product_id":"kyb-gas-a-just-monotube-rear-shock-absorber-kg5511","title":"KYB Gas-a-Just Monotube Rear Shock Absorber KG5511","description":"The KYB Gas-a-just monotube shock absorber has additional performance advantages over the traditional twin-tube design: It can instantly, automatically adjust to your performance needs and never experiences fade due to aeration. The KYB Gas-a-just has two separate working chambers: An air-free hydraulic piston and valve area for responsiveness and control, and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand.\n\u003cul\u003e\n  \u003cli\u003eElectronic safety systems depend on the suspension, brakes and tires operating as the vehicle manufacturer intended. The KYB Gas-a-just helps keep Electronic Safety Systems performing as designed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe KYB Gas-a-Just KG5511 rear shock absorber is designed to improve suspension control, handling response, and ride stability on select classic Dodge and Plymouth vehicles. Its monotube construction separates the hydraulic working area from the high-pressure nitrogen gas chamber, helping the shock respond quickly to changing road and driving conditions.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional twin-tube designs, the KYB Gas-a-Just uses a floating piston to keep the hydraulic fluid and nitrogen gas separated. This air-free design helps reduce aeration-related fade while supporting consistent damping performance during normal driving and more demanding maneuvers. The result is improved tire contact, vehicle control, and suspension responsiveness without sacrificing everyday ride comfort.\u003c\/p\u003e\n\u003cp\u003eElectronic safety systems depend on the suspension, brakes, and tires operating as the vehicle manufacturer intended. The KYB Gas-a-Just helps support the suspension performance required for electronic safety systems to function as designed. This automotive shock absorber is intended for rear suspension applications and is supplied as one shock absorber.\u003c\/p\u003e\n\u003ch3\u003eProduct Specifications \u0026amp; Technical Data\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: KYB\u003c\/li\u003e\n  \u003cli\u003ePart Number: KG5511\u003c\/li\u003e\n  \u003cli\u003eProduct Type: Monotube gas-charged shock absorber\u003c\/li\u003e\n  \u003cli\u003ePosition: Rear\u003c\/li\u003e\n  \u003cli\u003eApplication: Automotive suspension\u003c\/li\u003e\n  \u003cli\u003eWorking Fluid Design: Air-free hydraulic piston and valve area\u003c\/li\u003e\n  \u003cli\u003eGas Chamber: High-pressure nitrogen with floating piston\u003c\/li\u003e\n  \u003cli\u003eQuantity: One shock absorber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne KYB Gas-a-Just KG5511 rear shock absorber\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Fits select 1960-1963 Plymouth Fury, 1960-1962 Plymouth Valiant, 1963 Dodge Dart, 1964-1969 Plymouth Barracuda, and 1960s-1970s Plymouth Duster applications. Verify the vehicle year, make, model, suspension position, and application details before ordering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMonotube Performance: Separate hydraulic and nitrogen chambers provide responsive damping and improved suspension control.\u003c\/li\u003e\n\u003cli\u003eFade Resistance: Air-free hydraulic operation helps reduce performance loss caused by fluid aeration during demanding driving.\u003c\/li\u003e\n\u003cli\u003eAutomatic Damping Response: The shock adjusts quickly to changing road conditions and driving demands for consistent handling.\u003c\/li\u003e\n\u003cli\u003eElectronic Safety Support: Helps maintain suspension performance so electronic safety systems can operate as intended by the vehicle manufacturer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1957 Plymouth Fury Base\u003cbr\u003e\n1958 Plymouth Fury Base\u003cbr\u003e\n1959 Plymouth Fury Base\u003cbr\u003e\n1959 Plymouth Fury Sport\u003cbr\u003e\n1960 Plymouth Fury Base\u003cbr\u003e\n1960 Plymouth Valiant 200\u003cbr\u003e\n1960 Plymouth Valiant Base\u003cbr\u003e\n1961 Plymouth Fury Base\u003cbr\u003e\n1961 Plymouth Valiant 200\u003cbr\u003e\n1961 Plymouth Valiant Base\u003cbr\u003e\n1962 Plymouth Valiant 200\u003cbr\u003e\n1962 Plymouth Valiant Base\u003cbr\u003e\n1962 Plymouth Valiant Signet\u003cbr\u003e\n1963 Dodge Dart 270\u003cbr\u003e\n1963 Dodge Dart Base\u003cbr\u003e\n1963 Dodge Dart GT\u003cbr\u003e\n1963 Plymouth Valiant 200\u003cbr\u003e\n1963 Plymouth Valiant Base\u003cbr\u003e\n1963 Plymouth Valiant Signet\u003cbr\u003e\n1964 Dodge Dart 270\u003cbr\u003e\n1964 Dodge Dart Base\u003cbr\u003e\n1964 Dodge Dart GTS\u003cbr\u003e\n1964 Plymouth Barracuda Base\u003cbr\u003e\n1964 Plymouth Valiant 200\u003cbr\u003e\n1964 Plymouth Valiant Base\u003cbr\u003e\n1964 Plymouth Valiant Signet\u003cbr\u003e\n1965 Dodge Dart 270\u003cbr\u003e\n1965 Dodge Dart Base\u003cbr\u003e\n1965 Dodge Dart GT\u003cbr\u003e\n1965 Plymouth Barracuda Base\u003cbr\u003e\n1965 Plymouth Valiant Base\u003cbr\u003e\n1965 Plymouth Valiant Signet\u003cbr\u003e\n1966 Dodge Dart 270\u003cbr\u003e\n1966 Dodge Dart Base\u003cbr\u003e\n1966 Dodge Dart GT\u003cbr\u003e\n1966 Plymouth Barracuda Base\u003cbr\u003e\n1966 Plymouth Valiant 200\u003cbr\u003e\n1966 Plymouth Valiant Base\u003cbr\u003e\n1966 Plymouth Valiant Signet\u003cbr\u003e\n1967 Dodge Dart 270\u003cbr\u003e\n1967 Dodge Dart Base\u003cbr\u003e\n1967 Dodge Dart GT\u003cbr\u003e\n1967 Plymouth Barracuda Base\u003cbr\u003e\n1967 Plymouth Valiant Base\u003cbr\u003e\n1967 Plymouth Valiant Signet\u003cbr\u003e\n1968 Dodge Dart 270\u003cbr\u003e\n1968 Dodge Dart Base\u003cbr\u003e\n1968 Dodge Dart GT\u003cbr\u003e\n1968 Dodge Dart GTS\u003cbr\u003e\n1968 Plymouth Barracuda Base\u003cbr\u003e\n1968 Plymouth Valiant 100\u003cbr\u003e\n1968 Plymouth Valiant Base\u003cbr\u003e\n1968 Plymouth Valiant Signet\u003cbr\u003e\n1969 Dodge Dart Base\u003cbr\u003e\n1969 Dodge Dart Custom\u003cbr\u003e\n1969 Dodge Dart GT\u003cbr\u003e\n1969 Dodge Dart GTS\u003cbr\u003e\n1969 Dodge Dart Swinger\u003cbr\u003e\n1969 Dodge Dart Swinger 340\u003cbr\u003e\n1969 Plymouth Barracuda Base\u003cbr\u003e\n1969 Plymouth Valiant 100\u003cbr\u003e\n1969 Plymouth Valiant Base\u003cbr\u003e\n1969 Plymouth Valiant Signet\u003cbr\u003e\n1970 Dodge Dart Base\u003cbr\u003e\n1970 Dodge Dart Custom\u003cbr\u003e\n1970 Dodge Dart Swinger\u003cbr\u003e\n1970 Dodge Dart Swinger 340\u003cbr\u003e\n1970 Plymouth Duster 340\u003cbr\u003e\n1970 Plymouth Duster Base\u003cbr\u003e\n1970 Plymouth Valiant Base\u003cbr\u003e\n1971 Dodge Dart Base\u003cbr\u003e\n1971 Dodge Dart Custom\u003cbr\u003e\n1971 Dodge Dart Demon\u003cbr\u003e\n1971 Dodge Dart Demon 340\u003cbr\u003e\n1971 Dodge Dart Special\u003cbr\u003e\n1971 Dodge Dart Swinger\u003cbr\u003e\n1971 Plymouth Duster 340\u003cbr\u003e\n1971 Plymouth Duster Base\u003cbr\u003e\n1971 Plymouth Scamp Base\u003cbr\u003e\n1971 Plymouth Valiant Base\u003cbr\u003e\n1972 Dodge Dart Base\u003cbr\u003e\n1972 Dodge Dart Custom\u003cbr\u003e\n1972 Dodge Dart Demon\u003cbr\u003e\n1972 Dodge Dart Demon 340\u003cbr\u003e\n1972 Dodge Dart Special\u003cbr\u003e\n1972 Dodge Dart Swinger\u003cbr\u003e\n1972 Plymouth Duster 340\u003cbr\u003e\n1972 Plymouth Duster Base\u003cbr\u003e\n1972 Plymouth Scamp Base\u003cbr\u003e\n1972 Plymouth Valiant Base\u003cbr\u003e\n1973 Dodge Dart Base\u003cbr\u003e\n1973 Dodge Dart Custom\u003cbr\u003e\n1973 Dodge Dart Special\u003cbr\u003e\n1973 Dodge Dart Sport\u003cbr\u003e\n1973 Dodge Dart Sport 340\u003cbr\u003e\n1973 Dodge Dart Swinger\u003cbr\u003e\n1973 Plymouth Duster 340\u003cbr\u003e\n1973 Plymouth Duster Base\u003cbr\u003e\n1973 Plymouth Scamp Base\u003cbr\u003e\n1973 Plymouth Valiant Base\u003cbr\u003e\n1974 Dodge Dart Base\u003cbr\u003e\n1974 Dodge Dart Custom\u003cbr\u003e\n1974 Dodge Dart Special\u003cbr\u003e\n1974 Dodge Dart Special Edition\u003cbr\u003e\n1974 Dodge Dart Sport\u003cbr\u003e\n1974 Dodge Dart Sport 360\u003cbr\u003e\n1974 Dodge Dart Swinger\u003cbr\u003e\n1974 Plymouth Duster 360\u003cbr\u003e\n1974 Plymouth Duster Base\u003cbr\u003e\n1974 Plymouth Scamp Base\u003cbr\u003e\n1974 Plymouth Valiant Base\u003cbr\u003e\n1974 Plymouth Valiant Brougham\u003cbr\u003e\n1975 Dodge Dart Base\u003cbr\u003e\n1975 Dodge Dart Custom\u003cbr\u003e\n1975 Dodge Dart Special Edition\u003cbr\u003e\n1975 Dodge Dart Sport\u003cbr\u003e\n1975 Dodge Dart Sport 360\u003cbr\u003e\n1975 Dodge Dart Swinger\u003cbr\u003e\n1975 Dodge Dart Swinger Special\u003cbr\u003e\n1975 Plymouth Duster 360\u003cbr\u003e\n1975 Plymouth Duster Base\u003cbr\u003e\n1975 Plymouth Duster Custom\u003cbr\u003e\n1975 Plymouth Scamp Base\u003cbr\u003e\n1975 Plymouth Scamp Brougham\u003cbr\u003e\n1975 Plymouth Scamp Special\u003cbr\u003e\n1975 Plymouth Valiant Base\u003cbr\u003e\n1975 Plymouth Valiant 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