# Fluidampr Pontiac 389 400 421 428 455 CID V-8 Steel Internally Balanced Damper Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No maintenance required. Trusted by leading engine builders worldwide. SFI 18.1 certified. Made in USA. - SFI 18.1 spec. Race proven for over 35 years. - Reduce wear on critical engine parts. - Reduce risk of crankshaft failure. - Unleash lost torque & horsepower. - Broad RPM range protection. - No maintenance required. - Superior durability. - Made in USA. This Part Fits: Year Make Model Submodel 1965-1971 Oldsmobile 442 Base 1968-1974 Oldsmobile 98 Base 1975-1976 Oldsmobile 98 Luxury 1973-1976 Oldsmobile 98 Regency 1971-1976 Oldsmobile Custom Cruiser Base 1975-1976 Oldsmobile Custom Cruiser Panel 1975 Oldsmobile Cutlass 442 1965-1968,1970-1975 Oldsmobile Cutlass Base 1976 Oldsmobile Cutlass Colonnade S 1972 Oldsmobile Cutlass Cruiser 1965-1967 Oldsmobile Cutlass Holiday 1971-1976 Oldsmobile Cutlass S 1967 Oldsmobile Cutlass Turnpike Cruiser 1976 Oldsmobile Cutlass Vista Cruiser 1975-1976 Oldsmobile Cutlass Salon Base 1971-1976 Oldsmobile Cutlass Supreme Base 1976 Oldsmobile Cutlass Supreme Colonnade 1974-1975 Oldsmobile Cutlass Supreme Cruiser 1976 Oldsmobile Cutlass Tiara Base 1968 Oldsmobile Delmont 88 Base 1968-1976 Oldsmobile Delta 88 Base 1968-1971 Oldsmobile Delta 88 Custom 1969-1976 Oldsmobile Delta 88 Royale 1965-1966,1970,1972 Oldsmobile F85 Base 1966 Oldsmobile F85 Holiday 1968-1974 Oldsmobile Toronado Base 1971-1976 Oldsmobile Toronado Brougham 1968-1970,1975-1976 Oldsmobile Toronado Custom 1968-1975 Oldsmobile Vista Cruiser Base 1959-1978 Pontiac Bonneville Base 1976-1978 Pontiac Bonneville Brougham 1959-1962 Pontiac Bonneville Custom 1959-1970,1978 Pontiac Bonneville Safari 1964-1967 Pontiac Catalina 2+2 1959-1978 Pontiac Catalina Base 1971-1972 Pontiac Catalina Brougham 1959-1978 Pontiac Catalina Safari 1962-1970 Pontiac Catalina Ventura 1967-1970 Pontiac Executive Base 1967-1970 Pontiac Executive Safari 1967 Pontiac Firebird 326 1967-1969 Pontiac Firebird 400 1967-1977 Pontiac Firebird Base 1970-1974,1976 Pontiac Firebird Esprit 1970-1979 Pontiac Firebird Formula 1967 Pontiac Firebird HO 1969-1979 Pontiac Firebird Trans Am 1973-1975 Pontiac Grand Am Base 1975-1977 Pontiac Grand LeMans Base 1975,1977 Pontiac Grand LeMans Safari 1962-1974,1976-1977 Pontiac Grand Prix Base 1975,1977 Pontiac Grand Prix LJ 1975-1977 Pontiac Grand Prix SJ 1971-1978 Pontiac Grand Safari Base 1971-1974 Pontiac Grandville Base 1975 Pontiac Grandville Brougham 1964-1973 Pontiac GTO Base 1970-1971 Pontiac GTO The Judge 1963-1977 Pontiac LeMans Base 1972-1974 Pontiac LeMans Luxury 1969-1970,1973-1975,1977 Pontiac LeMans Safari 1974 Pontiac LeMans Safari Luxury 1970-1977 Pontiac LeMans Sport 1971 Pontiac LeMans T37 1959-1966 Pontiac Star Chief Base 1966 Pontiac Star Chief Executive 1963-1970 Pontiac Tempest Base 1964-1965,1967-1969 Pontiac Tempest Custom 1970 Pontiac Tempest GT 1963-1969 Pontiac Tempest Safari 1960-1961 Pontiac Ventura Base ## Details - **Price:** 815.26 CAD - **Vendor:** Fluidampr - **Type:** Crankshaft Dampers ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 815.26 CAD | In stock | --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/fluidampr-pontiac-389-400-421-428-455-cid-v-8-steel-internally-balanced-damper) > Updated: 2026-06-28