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Description
Flowtech Long Tube Header - Ceramic Coated 31500FLTHDR CRMC 66 74 CHVY GMC TRK 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
HDR CRMC 66-74 CHVY/GMC TRK
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
- Works with power steering and power brakes
Application
- 1969 - 1974 Chevrolet Blazer
- 1966 - 1974 Chevrolet C10 Pickup
- 1973 - 1974 Chevrolet C10 Suburban
- 1966 - 1974 Chevrolet C20 Pickup
- 1973 - 1974 Chevrolet C20 Suburban
- 1966 - 1974 Chevrolet C30 Pickup
- 1966 - 1974 Chevrolet K10 Pickup
- 1973 - 1974 Chevrolet K10 Suburban
- 1966 - 1974 Chevrolet K20 Pickup
- 1973 - 1974 Chevrolet K20 Suburban
- 1968 - 1974 Chevrolet K30 Pickup
- 1966 Chevrolet Suburban
- 1967 - 1974 GMC C1500 Pickup
- 1973 - 1974 GMC C1500 Suburban
- 1967 - 1974 GMC C2500 Pickup
- 1973 - 1974 GMC C2500 Suburban
- 1967 - 1974 GMC C3500 Pickup
- 1970 - 1974 GMC Jimmy
- 1967 - 1974 GMC K1500 Pickup
- 1973 - 1974 GMC K1500 Suburban
- 1967 - 1974 GMC K2500 Pickup
- 1973 - 1974 GMC K2500 Suburban
- 1968 - 1974 GMC K3500 Pickup
Specs
| Brand | Flowtech |
|---|---|
| Collector Diameter | 3.00 inch |
| Emission Code | 4 |
| Engine | Chevrolet Small Block |
| Header Finish | Silver Ceramic |
| Header Flange Thickness (in) | 5/16 inch |
| Header Style | Long Tube |
| Primary Tube Dia. | 1-1/2 inch |
| Product Type | Headers |
| Tube Material | Mild Steel |
| Part Number | 31500FLT |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Good wire
Size: 40 Feet
Teenage daughter wanted shiny aftermarket stuff, daughter got shiny aftermarket stuff.
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Reviewed in the United States on April 5, 2026
★★★★★ 4
Good quality wire, but thicker than expected
Size: 100 Feet
The wire itself is great quality — sturdy and well-insulated. I bought it to wire up several COB LED lights, but the individual wires and outer sheath were a bit too thick to fit into the press connectors I was using. It’ll work perfectly for other projects, just something to keep in mind if you’re using tight-fit connectors.
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Reviewed in the United States on October 15, 2025
★★★★★ 5
Reasonable Price
Size: 40 Feet
Seems to be good quality
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Reviewed in the United States on January 21, 2026
★★★★★ 5
On time
Size: 100 Feet
Work fine and on time
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Red, black, run right!
Size: 40 Feet
I got the TYUMEN 40FT 18 Gauge 2-Pin Red & Black Cable for hooking up LED strips, and it worked perfectly. The wire is sturdy, flexible, and easy to cut or connect, making installation quick and hassle-free.
The 40-foot length is generous for longer runs, and the color-coded red and black makes it easy to keep track of positive and negative connections. Great for DIY electronics, lighting projects, or any small electrical hookup.
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Reviewed in the United States on December 12, 2025