Hooker Competition Long Tube Headers – Black Ceramic Coated HOK-24513HKR
Fits 1967-1974 Camaro,1965-1974 Chevy Full Size, 1964-1974 Chevelle/El Camino, 1970-1974 Monte Carlo, 1968-1974 Nova, 283-400ci Small Block Chevy, 1.625″ Primary Tube x 3.00″ O.D Collector Size
Features:
- Works with factory power steering and power brakes
- Increased corrosion protection ensures long service life and maintained appearance of investment
- Formulated to withstand extreme temperatures (stability rating is 1700° F vs 1300º F on silver ceramic) without discoloration and maintains excellent adhesion even after repeated thermal cycling
- Provides a higher heat tolerance threshold than available from silver ceramics (ours or any of our competitor’s) and is therefore recommended for any applications producing elevated exhaust gas temperatures
- High-efficiency thermal properties limit heat migration through the header assembly, which in turn lowers under-hood temperatures for more performance
- Provides unique styling enhancement that is equally pleasing in either a nostalgic retro application or a modern hi-tech build. As this coating is not burnished after its application, the surface appearance is more consistent
Hooker Competition headers offer the best value in the high performance header market. Designed for the value-conscious buyer, Hooker Competition headers offer premium features at a very competitive price. Made of durable 16 gauge mild steel tubing, the Hooker Competition header design utilizes a long transition collector to reduce back pressure and increase exhaust flow. A perfect sealing surface is assured with the 5/16″ machined flanges. Experience has proven that this flange size is ideal to maintain header integrity and be pliable enough to seal each exhaust port. Tubing is mandrel-bent to maintain metal strength and provide consistent tube diameter at radii to maximize performance. Hooker Competition headers have a standard finish that features a heat-cured, high-heat-resistant paint. Optionally, the famous Hooker Ceramic Thermal Barrier Coating is available.
The Darkside coating also provides improved thermal resistance as compared to traditional silver ceramic (1700° F vs. 1300° F) making it highly recommended for supercharged or nitrous applications as well as for reduced under-hood temperatures.
Attributes:
| CARB (California) Compliant | No |
| Primary Tube Dia. | 1-5/8 inch |
| Product Type | Headers |
| Tube Material | Mild Steel |
| Bolt size | 3/8-16 x 3/4 |
| Sub Category | Exhaust Manifolds |
| Header Flange Thickness | 5/16 inch Inch |
| Brand | Hooker |
| Category | Exhaust |
| Collector Diameter | 3.00 inch |
| Emission Code | 4 |
| Engine | Chevrolet Small Block Gen I |
| Header Finish | Black Ceramic |
| Header Style | Long Tube |
| part type | Exhaust Header |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | Bel Air | 1965 to 1974 |
| Chevrolet | Biscayne | 1965 to 1972 |
| Chevrolet | Brookwood | 1969 to 1972 |
| Chevrolet | Camaro | 1967 to 1974 |
| Chevrolet | Caprice | 1966 to 1974 |
| Chevrolet | Chevelle | 1964 to 1973 |
| Chevrolet | Chevy II | 1968 to 1968 |
| Chevrolet | El Camino | 1964 to 1974 |
| Chevrolet | Estate | 1969 to 1970 |
| Chevrolet | Impala | 1965 to 1974 |
| Chevrolet | Kingswood | 1969 to 1972 |
| Chevrolet | Laguna | 1973 to 1974 |
| Chevrolet | Malibu | 1964 to 1974 |
| Chevrolet | Monte Carlo | 1970 to 1974 |
| Chevrolet | Nova | 1969 to 1974 |
| Chevrolet | Townsman | 1969 to 1972 |
| GMC | Sprint | 1971 to 1974 |



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