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Description
Flowtech 31100FLT SBC Small Block Chevy 350 Long Tube Header, Ceramic CoatedOverview: Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3 8" 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
Overview:
Flowtech headers are the perfect combination of performance and value. Flowtech long tube headers are precision engineered using mandrel bent tubing, formed collectors and 3/8" 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:
- Tuned-length primary tubes for street performance
- Mandrel-bent tubing for smooth exhaust flow
- Light weight & sturdy 16 gauge tubing
- Mandrel-formed Power Plenum collector for low back pressure
- Sturdy, leak-tested O-Ring port seals
- Engineered for a precision fit
- Designed for easy, trouble-free installation
- Includes all mounting hardware and premium gaskets
- Works with factory power steering and power brakes
Fitment Notes:
- Works with factory power steering and power brakes
- Will NOT fit 67-69 Camaro with Air Conditioning
- Will NOT fit with angle plug heads or raised port heads
- Factory motor mounts must be used for proper engine placement
- Does NOT fit with manual transmission on Monte Carlo and late model passenger wagons
- Must modify exhaust to retain cat. conv.
- 68-74 Chevy II/Nova will NOT fit with A.I.R. injection pump
Applications:
| Year | Make | Model | Engine | Fitment Notes |
| 1973-1974 | Buick | Apollo | 5.7L V8 350 CID | Please See Above! |
| 1965-1967 | Buick | Gran Sport | Small Block Chevy Swap | Please See Above! |
| 1970-1972 | Buick | GS | 5.7L V8 350 CID | Please See Above! |
| 1968-1969 | Buick | GS 350 | 5.7L V8 350 CID | Please See Above! |
| 1968-1969 | Buick | GS 400 | Small Block Chevy Swap | Please See Above! |
| 1970-1972 | Buick | GS 455 | Small Block Chevy Swap | Please See Above! |
| 1968-1972 | Buick | Skylark | 5.7L V8 350 CID | Please See Above! |
| 1968-1969 | Buick | Special | 5.7L V8 350 CID | Please See Above! |
| 1968-1972 | Buick | Sportwagon | 5.7L V8 350 CID | Please See Above! |
| 1967-1969 | Chevrolet | Camaro | 4.9L V8 302 CID | Please See Above! |
| 1969-1973 | Chevrolet | Camaro | 5.0L V8 307 CID | Please See Above! |
| 1967-1969 | Chevrolet | Camaro | 5.3L V8 327 CID | Please See Above! |
| 1968-1969 | Chevrolet | Camaro | 5.4L V8 327 CID | Please See Above! |
| 1967-1974 | Chevrolet | Camaro | 5.7L V8 350 CID | Please See Above! |
| 1968-1972 | Chevrolet | Chevelle | 5.0L V8 307 CID | Please See Above! |
| 1964-1968 | Chevrolet | Chevelle | 5.3L V8 327 CID | Please See Above! |
| 1965 | Chevrolet | Chevelle | 5.4L V8 327 CID | Please See Above! |
| 1967-1968 | Chevrolet | Chevelle | 5.4L V8 327 CID | Please See Above! |
| 1968-1972 | Chevrolet | Chevelle | 5.7L V8 350 CID | Please See Above! |
| 1968-1972 | Chevrolet | El Camino | 5.0L V8 307 CID | Please See Above! |
| 1964-1969 | Chevrolet | El Camino | 5.3L V8 327 CID | Please See Above! |
| 1968 | Chevrolet | El Camino | 5.4L V8 327 CID | Please See Above! |
| 1968-1972 | Chevrolet | El Camino | 5.7L V8 350 CID | Please See Above! |
| 1964-1967 | Chevrolet | Malibu | 5.3L V8 327 CID | Please See Above! |
| 1969-1971 | Chevrolet | Nova | 5.0L V8 307 CID | Please See Above! |
| 1972-1974 | Chevrolet | Nova | 5.7L V8 350 CID | Please See Above! |
| 1971-1972 | GMC | Sprint | 5.0L V8 307 CID | Please See Above! |
| 1971-1972 | GMC | Sprint | 5.7L V8 350 CID | Please See Above! |
| 1964-1971 | Oldsmobile | 442 | Small Block Chevy Swap | Please See Above! |
| 1968-1972 | Oldsmobile | Cutlass | 5.7L V8 350 CID | Please See Above! |
| 1968-1972 | Oldsmobile | Cutlass Supreme | 5.7L V8 350 CID | Please See Above! |
| 1968-1972 | Oldsmobile | F85 | 5.7L V8 350 CID | Please See Above! |
| 1973-1974 | Oldsmobile | Omega | 5.7L V8 350 CID | Please See Above! |
| 1968-1972 | Oldsmobile | Vista Cruiser | 5.7L V8 350 CID | Please See Above! |
| 1968-1971 | Pontiac | Acadian | 5.0L V8 307 CID | Please See Above! |
| 1968 | Pontiac | Acadian | 5.3L V8 327 CID | Please See Above! |
| 1968-1971 | Pontiac | Acadian | 5.7L V8 350 CID | Please See Above! |
| 1964-1967 | Pontiac | Beaumont | 5.3L V8 327 CID | Please See Above! |
| 1964-1972 | Pontiac | GTO | Small Block Chevy Swap | Please See Above! |
| 1968-1972 | Pontiac | LeMans | 5.7L V8 350 CID | Please See Above! |
| 1968-1970 | Pontiac | Tempest | 5.7L V8 350 CID | Please See Above! |
| 1971 | Pontiac | Ventura | 5.0L V8 307 CID | Please See Above! |
| 1972-1974 | Pontiac | Ventura | 5.7L V8 350 CID | Please See Above! |
Specs:
| Brand | Flowtech |
|---|---|
| Collector Diameter | 3.00 inch |
| Emission Code | 4 |
| Engine | Chevrolet Small Block Gen I |
| Header Finish | Silver Ceramic |
| Header Flange Thickness (in) | 3/8 inch |
| Header Style | Long Tube |
| Primary Tube Dia. | 1-5/8 inch |
| Product Type | Headers |
| Tube Material | Mild Steel |
| Part Number | 31100FLT |
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
4.8 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Dog enjoying them
Size: 8 Ounce (Pack of 1), Set name: Standard
Dog really liked them. Little softer than other brands. No crunch
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
★★★★★ 1
Hard and leathery gray in color!
Size: 8 Ounce (Pack of 1), Set name: Standard
These treats were like a horrible texture they were chewy but hard the dog had a problem eating them took her forever to chew one little piece disappointed and they were like a odd color grayish seem like an old bag very disappointing
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Reviewed in the United States on May 16, 2023
★★★★★ 4
First shipment was quality
Size: 8 Ounce (Pack of 1), Set name: Standard
Initial delivery was impressive. No odor no additives and longer pieces. Second bag was full of short, burned pieces. Expense would be worth it, if quality control existed.
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Reviewed in the United States on June 19, 2024
★★★★★ 5
Great dog treats
Size: 8 Ounce (Pack of 1), Set name: Standard
Great treats. My lab loves these
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2025
★★★★★ 5
Chuckit! Max Glow Ball Dog Toy - A Canine Delight in the Dark!
Size: Small, Pattern Name: Pack of 1
I recently introduced the Chuckit! Max Glow Ball Dog Toy to my furry friend, and it has quickly become a favorite in our playtime routine. Here's why it deserves a glowing 5-star review:
**Pros:**
**1. Day and Night Fun:**
The Max Glow feature of this ball adds an extra layer of excitement to playtime. Whether it's a sunny day or a moonlit night, my dog can enjoy fetching and playing with this ball anytime, making it a versatile and engaging toy.
**2. Long-Lasting Glow:**
The glow effect lasts surprisingly long, providing extended play sessions even after the sun sets. The consistent glow adds a thrilling element to our nighttime activities, making it a standout feature of this toy.
**3. Durable Design:**
The Chuckit! Max Glow Ball is built to last. Its durable construction can withstand the enthusiastic chewing and fetching antics of my dog, ensuring longevity and making it a reliable addition to our collection of toys.
**4. Easy to Clean:**
Cleaning this ball is a breeze. Whether it's muddy paw prints or slobber, a quick rinse under the tap is all it takes to keep the Chuckit! Max Glow Ball looking and feeling fresh for the next round of play.
**5. Compatible with Chuckit! Launchers:**
The ball is compatible with Chuckit! launchers, adding an extra layer of fun to our play sessions. The launcher allows for longer throws, providing a good workout for my dog and adding an interactive aspect to our outdoor activities.
**6. Fetching Favorite:**
My dog absolutely loves fetching this ball. The texture and size make it easy for him to carry in his mouth, and the glowing feature captures his attention and keeps him engaged during playtime.
**7. Versatile Outdoor Toy:**
Whether it's a game of fetch in the backyard, a trip to the park, or an evening stroll, the Chuckit! Max Glow Ball has become our go-to outdoor toy. Its versatility and engaging qualities make it an essential part of our canine adventures.
In conclusion, the Chuckit! Max Glow Ball Dog Toy has brought endless joy and excitement to our playtime routine. Its durable design, long-lasting glow, and compatibility with Chuckit! launchers make it a 5-star favorite in my dog's toy collection. If you're looking to add a touch of magic to your dog's play sessions, this glowing ball is a must-have. Let the nighttime playtime adventures begin! 🌙🐾🌟
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Reviewed in the United States on January 26, 2024