Replacement heat riser "blank" plate for improved flow.
Note: Images are shown from the bottom (pipe) side.
| Make | Model | Years |
| Chevrolet | Bel Air | 1958 - 1974 |
| Chevrolet | Biscayne | 1958 - 1972 |
| Chevrolet | Blazer | 1973 - 1974 |
| Chevrolet | Brookwood | 1958 - 1972 |
| Chevrolet | C10 Pickup | 1960 - 1974 |
| Chevrolet | C10 Suburban | 1968 - 1974 |
| Chevrolet | C20 Pickup | 1960 - 1974 |
| Chevrolet | C20 Suburban | 1968 - 1974 |
| Chevrolet | C30 Pickup | 1960 - 1974 |
| Chevrolet | Camaro | 1967 - 1972 |
| Chevrolet | Caprice | 1966 - 1974 |
| Chevrolet | Chevelle | 1965 - 1973 |
| Chevrolet | Chevy II | 1968 |
| Chevrolet | Corvette | 1965 - 1974 |
| Chevrolet | Del Ray | 1958 |
| Chevrolet | El Camino | 1959 - 1974 |
| Chevrolet | Estate | 1969 - 1970 |
| Chevrolet | G10 Van | 1974 |
| Chevrolet | K10 Pickup | 1960 - 1974 |
| Chevrolet | K10 Suburban | 1968 - 1974 |
| Chevrolet | K20 Pickup | 1960 - 1974 |
| Chevrolet | K20 Suburban | 1968 - 1974 |
| Chevrolet | K30 Pickup | 1968 - 1974 |
| Chevrolet | Kingswood | 1959 - 1972 |
| Chevrolet | Malibu | 1965 - 1974 |
| Chevrolet | Monte Carlo | 1970 - 1974 |
| Chevrolet | Nomad | 1958 - 1961 |
| Chevrolet | Nova | 1969 - 1972 |
| Chevrolet | P20 Series | 1960 - 1961 |
| Chevrolet | P30 Series | 1960 - 1965 |
| Chevrolet | Parkwood | 1959 - 1961 |
| Chevrolet | Sedan Delivery | 1958 |
| Chevrolet | Suburban | 1960 - 1961 |
| Chevrolet | Townsman | 1969 - 1972 |
| Chevrolet | Yeoman | 1958 |
| GMC | Suburban | 1960 - 1961 |
| Plymouth | Suburban | 1960 - 1961 |
