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Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

| Download Name | File Size |
| D315.pdf | 341.8KB |
| D315-B.pdf | 341.8KB |
| Make | Model | Years | Engine | Fitment Notes |
| Chevrolet | Corvette | 1955 | 4.3L / 265 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1956 | 4.3L / 265 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1957 | 4.6L / 283 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1958 | 4.6L / 283 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1959 | 4.6L / 283 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1960 | 4.6L / 283 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1961 | 4.6L / 283 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Chevrolet | Corvette | 1962 | 5.3L / 327 / V8 | Fits most angle plug heads. Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines. Installation requires left side A/C bracket part number H7608. Full-length |
| Collector Attachment | 3-Bolt Flange |
| Collector Diameter | 2.5 IN |
| Collector Port Diameter | 2.5 IN |
| Cylinder Head Port Shape | Oval |
| Design | Full-length |
| Flange Thickness | 0.375 IN |
| Gasket Or Seal Included | Yes |
| Gaskets Included | Yes |
| Grade Type | Performance |
| Header Style | Full-length |
| Mounting Hardware Included | Yes |
| Oxygen Sensor Port | No |
| Part Type | Exhaust Header |
| Port Shape | Oval |
| Primary Tube Outside Diameter | 1.625 IN |
| Proposition 65 | www.P65Warnings.ca.gov |
| Tube Wall Thickness | 16 GU |
| Warranty Time | 24 Months |