Fits Small Block Chevy, Raised D-Port, 2.5", Black, Exhaust Manifold 8527-3HKR
Fits Small Block Chevy, Raised D-Port, 2.5", Black, Exhaust Manifold 8527-3HKR
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Hooker's new cast iron small-block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock-style manifolds. Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon-molybdenum ductile iron for high temperature strength and better resistance to oxidation and cracking. Internally these manifolds have a larger than stock 1 5/8-inch cross-sectional area and 2 1/2-inch outlets for better air flow and improved performance. Designed for raised D-port heads, these manifolds fit many popular GM applications including standard straight and Vortec straight plug head designs. Finishes include natural, silver, black, and titanium ceramic. Gaskets and hardware are included, along with weld-on flanges to aid in downpipe installation.
Features:
- A smoother, cleaner appearance compared to original exhaust manifolds, while maintaining a factory style look and feel
- Made from high silicon-molybdenum ductile iron for high temperature strength plus resistance to oxidation and cracking
- Designed with a larger 1 5/8? cross-sectional area and 2 ½? outlets for better air flow and increased performance
- Designed for raised D-port heads
- Accommodates standard straight and Vortec straight plug head designs for better application coverage
- Includes weld-on flanges for easier downpipe pipe installation (custom downpipe required)
- Available in natural cast iron or ceramic coated finishes (silver, black and titanium)
- Includes mounting hardware and gaskets for inlet and outlet flanges
Specs:
| Bolt Size | 3/8-16 x 3/4 |
|---|---|
| Brand | Hooker |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Required | Yes |
| CARB (California) Compliant | No |
| Collector Diameter | 2.50 inch |
| Emission Code | 3 |
| Engine | Chevrolet Small Block Gen I |
| Exhaust Port Shape | D-Port |
| Header Finish | Black Ceramic |
| Header Style | Manifold |
| Material | Cast Iron |
| Primary Tube Diameter (in) | 1-5/8 inch |
| Product Type | Manifold |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1968-1974 | Chevrolet | C10 Pickup | Base |
| 1968-1974 | GMC | C15/C1500 Pickup | Base |
| 1973-1974 | Buick | Century | Base |
| 1973-1974 | Buick | Century | Luxus |
| 1961-1974 | Buick | LeSabre | Base |
| 1974 | Buick | LeSabre | Luxus |
| 1973-1974 | Buick | Regal | Base |
| 1958-1974 | Chevrolet | Bel Air | Base |
| 1970-1974 | Chevrolet | Camaro | Base |
| 1973-1974 | Chevrolet | Camaro | LT |
| 1970-1974 | Chevrolet | Camaro | Z28 |
| 1973-1974 | Chevrolet | Caprice | Classic |
| 1973-1974 | Chevrolet | Caprice | Estate |
| 1958-1974 | Chevrolet | Impala | Base |
| 1973-1974 | Chevrolet | Laguna | Base |
| 1974 | Chevrolet | Laguna | Type S-3 |
| 1964-1974 | Chevrolet | Malibu | Base |
| 1974 | Chevrolet | Malibu | Classic |
| 1973-1974 | Chevrolet | Malibu | Estate |
| 1971-1974 | Chevrolet | Monte Carlo | Base |
| 1973-1974 | Chevrolet | Monte Carlo | Landau |
| 1961-1974 | Oldsmobile | Cutlass | Base |
| 1968-1974 | Oldsmobile | Cutlass | S |
| 1971-1974 | Oldsmobile | Delta 88 | Base |
| 1971-1974 | Oldsmobile | Delta 88 | Royale |
| 1958-1974 | Pontiac | Catalina | Base |
| 1959-1974 | Pontiac | Catalina | Safari |
| 1971-1974 | Pontiac | Firebird | Base |
| 1971-1974 | Pontiac | Firebird | Esprit |
| 1971-1974 | Pontiac | Firebird | Formula |
| 1971-1974 | Pontiac | Firebird | Trans Am |
| 1973-1974 | Pontiac | Grand Am | Base |
| 1962-1974 | Pontiac | Grand Prix | Base |
| 1963-1974 | Pontiac | LeMans | Base |
| 1972-1974 | Pontiac | LeMans | Luxury |
| 1969-1974 | Pontiac | LeMans | Safari |
| 1974 | Pontiac | LeMans | Safari Luxury |
| 1970-1974 | Pontiac | LeMans | Sport |
| 1971-1973 | Buick | Centurion | Base |
| 1965-1973 | Buick | LeSabre | Custom |
| 1970-1973 | Chevrolet | Camaro | RS |
| 1965-1973 | Chevrolet | Chevelle | Deluxe |
| 1973 | Chevrolet | Laguna | Estate |
| 1973 | Chevrolet | Monte Carlo | S |
| 1964-1973 | Pontiac | GTO | Base |
| 1970-1972 | Buick | Skylark | 350 |
| 1961-1972 | Buick | Skylark | Base |
| 1968-1972 | Buick | Skylark | Custom |
| 1964-1972 | Buick | Sportwagon | Base |
| 1958-1972 | Chevrolet | Biscayne | Base |
| 1970-1972 | Chevrolet | Camaro | SS |
| 1971-1972 | Chevrolet | Caprice | Base |
| 1964-1972 | Chevrolet | Chevelle | Base |
| 1967-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1968-1972 | Chevrolet | Chevelle | Malibu |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1964-1972 | Chevrolet | Chevelle | SS |
| 1972 | Oldsmobile | Cutlass | Cruiser |
| 1961-1972 | Oldsmobile | F85 | Base |
| 1971-1972 | Pontiac | Catalina | Brougham |
| 1971 | Oldsmobile | Delta 88 | Custom |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1971 | Pontiac | LeMans | T37 |
| 1959-1970 | Chevrolet | El Camino | Base |
| 1968-1970 | Chevrolet | El Camino | Custom |
| 1968-1970 | Chevrolet | El Camino | SS |
| 1964-1970 | Oldsmobile | Vista Cruiser | Base |
| 1958-1970 | Pontiac | Bonneville | Base |
| 1959-1970 | Pontiac | Bonneville | Safari |
| 1962-1970 | Pontiac | Catalina | Ventura |
| 1967-1970 | Pontiac | Executive | Base |
| 1967-1970 | Pontiac | Executive | Safari |
| 1961-1970 | Pontiac | Tempest | Base |
| 1970 | Pontiac | Tempest | GT |
| 1961-1969 | Buick | Special | Base |
| 1966-1969 | Buick | Sportwagon | Custom |
| 1967-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1961-1969 | Pontiac | Tempest | Custom |
| 1961-1969 | Pontiac | Tempest | Safari |
| 1967-1968 | Chevrolet | Chevelle | 300 |
| 1961-1967 | Buick | Special | Deluxe |
| 1964-1967 | Chevrolet | Impala | SS |
| 1964-1967 | Oldsmobile | Cutlass | Holiday |
| 1967 | Oldsmobile | Cutlass | Turnpike Cruiser |
| 1964-1967 | Oldsmobile | Vista Cruiser | Custom |
| 1964-1967 | Pontiac | Catalina | 2+2 |
| 1962-1966 | Oldsmobile | F85 | Deluxe |
| 1966 | Oldsmobile | F85 | Holiday |
| 1958-1966 | Pontiac | Star Chief | Base |
| 1966 | Pontiac | Star Chief | Executive |
| 1962-1965 | Buick | Wildcat | Base |
| 1965 | Buick | Wildcat | Custom |
| 1965 | Buick | Wildcat | Deluxe |
| 1962-1965 | Chevrolet | Chevy II | Base |
| 1962-1965 | Chevrolet | Chevy II | Nova |
| 1964-1965 | Chevrolet | Chevy II | Nova SS |
| 1961-1965 | Oldsmobile | Starfire | Base |
| 1961-1963 | Buick | Invicta | Base |
| 1959-1962 | Pontiac | Bonneville | Custom |
| 1961-1962 | Pontiac | Tempest | LeMans |
| 1960-1961 | Pontiac | Ventura | Base |
| 1960 | Chevrolet | Biscayne | Fleetmaster |
| 1958 | Chevrolet | Del Ray | Base |
| 1958 | Pontiac | Chieftain | Base |
| 1958 | Pontiac | Chieftain | Safari |
| 1958 | Pontiac | Star Chief | Custom Safari |
| 1958 | Pontiac | Star Chief | Super Deluxe |
| 1958 | Pontiac | Super Chief | Base |

Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.