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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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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
4.4 ★★★★★
Based on 42 reviews
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Product Reviews
★★★★★ 4
Good Txu
Number of Items: 1
Happy with Product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
GDI ally.
Number of Items: 1
Seems to be effective at reducing oil consumption issue common in many GDI engines.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
I would highly recommend this product.
Number of Items: 1
I’m going to purchase this product again. I drive a lot and it’s perfect for me and yes, it does work in my opinion. I noticed a difference right away after the oil change. My vehicle was much smoother.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Great for Subaru oil consumption
Number of Items: 1, Number of Items: 1
Got this for my 2015 Subaru outback for its notorious oil consumption. It seems to be doing the trick causing less oil consumption after 1k miles noticable difference for sure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
★★★★★ 5
great for any engin
Size: 12 fl. oz. (Pack of 1)
Have been looking for this for a long time.i always used when i had a ,chevy 327,300.3speed.the engin always run great and when we changed the value cover gaskests the inside look like brand new,and clean.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
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