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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
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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
4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Perfect
Number of Items: 4
My wife was thrilled to get this wider and clear heat resistant tape. Uses it with her sublimation projects
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 5
Great for purpose.
Number of Items: 4
Excellent product for hanging items on a grid wall at for sale at craft shows.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025
★★★★★ 4
Almost perfect
Number of Items: 4
Works ok, and no color to bleed onto sublimation surfaces. Not very sticky making for easy removal but sometimes a bit of a challenge to get to lay down.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2023
★★★★★ 5
They work very well.
Number of Items: 2
I love these. I use them to wrap my tumbler before sublimating them in my sublimation oven. They work every well to let me see the process so I don’t scorch my design.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 16, 2025
★★★★★ 5
Sublimation ink
Love this ink! Bright colors. Haven't had to refill my ink yet. No clogging problems. Ink quality is great!! Very easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
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