Hooker Super Competition Long Tube Headers – Ceramic Coated HOK-21111HKR
1967-1969 Camaro, 1968-1974 Nova: 396-502 Tube 1.875″ O.D. x 33″, Collector Size: 3.5″ O.D., Collector Length 10″, Port Shape: Same As Port
Features:
- Tuned-length primary tubes for maximum exhaust scavenging and velocity
- Long transition collector for decreased back pressure
- Light weight & sturdy 18 gauge tubing
- Mandrel-bent tubing for smooth exhaust flow
- 5/16” machined flanges for a perfect seal
- Industry’s best welds for durability
- All necessary hardware included for a complete installation
- Designed for optimal performance
With Hooker Super Competition the objective has always been to make the maximum horsepower and to put it at the optimum point in the power curve. It takes a lot of time and money to do the job right. We will sometimes spend up to 2 to 3 times more just to make the Super Competition header work only 5 to 10% better. That commitment to excellence has made Hooker Headers the winningest header manufacturer in automotive drag racing history.
Attributes:
| Product Type | Headers |
| Tube Material | Mild Steel |
| Engine | GM Big Block |
| Emission Code | 4 |
| Collector Diameter | 3.50 inch |
| Category | Exhaust |
| CARB (California) Compliant | No |
| Brand | Hooker |
| Bolt size | 3/8-16 x 3/4 |
| Header Finish | Silver Ceramic |
| Primary Tube Dia. | 1-7/8 inch |
| Header Style | Long Tube |
Vehicle Applications:
| Make | Model | Years |
| Chevrolet | Camaro | 1967 to 1969 |
| Chevrolet | Chevy II | 1968 to 1968 |
| Chevrolet | Nova | 1969 to 1974 |





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