Flowtech- 31506FLT Long Tube Headers for 67-74 GM 4WD truck 283-400
1967-1974 Chevy/GMC 4WD truck, 1/2-3/4-1-Ton, 1967-1974 4WD Blazer/Jimmy K5/Suburban: 283-400, Tube Size 1.625", Collector Size 2.5"
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 5/16" flanges with sealing rings for a leak-free seal. All mounting hardware and gaskets are included for a simple installation. This header is coated in a high heat and corrosion resistant metallic ceramic thermal coating that increases exhaust velocity and reduces underhood temps for increased performance.
Features:
- Fuel Economy From The Engine
- Leak Test For Max Performance
- Ceramic Headers
- Rust And Corrosion Resistance
- Mandrel-Formed Power Plenum
- Leakproof O-Ringed Port Seals
- Include All Mounting Hardware
| Bolt Size | 3/8-16 x 3/4 |
|---|---|
| Brand | Flowtech |
| CARB (California) Compliant | No |
| Collector Diameter | 2.50 inch |
| Emission Code | 4 |
| Engine | Chevrolet Small Block Gen I |
| Header Finish | Silver Ceramic |
| Header Style | Long Tube |
| Primary Tube Dia. | 1-5/8 inch |
| Product Type | Headers |
| Tube Material | Mild Steel |
| UPC | 787480315069 |
| Part Number | 31506FLT |
