Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
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
4.5 ★★★★★
Based on 612 reviews
Sort
Product Reviews
★★★★★ 5
Best main wire for price
Size: 25 FT, Style: 0 (1/0) AWG RED
Good main wire and is accurate size and length
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Cables buenas
Size: 25 FT, Style: 0 (1/0) AWG RED
Excelente 👌
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Don’t hesitate
Size: 15 FT, Style: 0 (1/0) AWG RED
Tough good quality wire!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Buy them. You won't regret it.
Size: 10 FT, Style: 0 (1/0) AWG RED
Thick, flexible, quality cable. Overkill for what I've got but man they flex like wet noodles easy to run.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
★★★★★ 5
Quality.
Size: 15 FT, Style: 0 (1/0) AWG RED, Size: 15 FT, Style: 0 (1/0) AWG RED
If you’re reading this stop just get it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026