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Description
COMP Cams Camshaft CB 279T H-107 T ThumperThumpr 227 241 Hydraulic Flat Cam for Chevrolet Big Block 396 454. High performance street, stock converter ok, best with 2000+ converter and Gears. Choppy thumping idle. Catalog User 1 This Part Fits: Year Make Model Submodel 1967 1975 Chevrolet Bel Air Base 1967 1972 Chevrolet Biscayne Base 1973 1974 Chevrolet Blazer Base 1969 1972 Chevrolet Brookwood Base 1978 1980 Chevrolet C10 Big Ten 1975 1980 Chevrolet C10 Cheyenne 1975 1980 Chevrolet C10
Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Big Block 396-454. High performance street, stock converter ok, best with 2000+ converter and Gears. Choppy/thumping idle.
CatalogUser 1
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967-1975 | Chevrolet | Bel Air | Base |
| 1967-1972 | Chevrolet | Biscayne | Base |
| 1973-1974 | Chevrolet | Blazer | Base |
| 1969-1972 | Chevrolet | Brookwood | Base |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1980 | Chevrolet | C10 | Cheyenne |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1975-1980 | Chevrolet | C10 | Scottsdale |
| 1975-1980 | Chevrolet | C10 | Silverado |
| 1968-1974 | Chevrolet | C10 Pickup | Base |
| 1968-1974 | Chevrolet | C10 Suburban | Base |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1975-1980 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980 | Chevrolet | C10 Suburban | Silverado |
| 1975-1981 | Chevrolet | C20 | Cheyenne |
| 1981-1986 | Chevrolet | C20 | Custom |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975-1986 | Chevrolet | C20 | Scottsdale |
| 1975-1986 | Chevrolet | C20 | Silverado |
| 1968-1974 | Chevrolet | C20 Pickup | Base |
| 1968-1974 | Chevrolet | C20 Suburban | Base |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1992-1993 | Chevrolet | C2500 Suburban | Base |
| 1992-1993 | Chevrolet | C2500 Suburban | Silverado |
| 1975-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1975-1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975-1986 | Chevrolet | C30 | Scottsdale |
| 1975-1986 | Chevrolet | C30 | Silverado |
| 1968-1974 | Chevrolet | C30 Pickup | Base |
| 1967,1969,1971-1972 | Chevrolet | Camaro | Base |
| 1967,1969 | Chevrolet | Camaro | RS |
| 1967-1972 | Chevrolet | Camaro | SS |
| 1972 | Chevrolet | Camaro | Z28 |
| 1967-1972 | Chevrolet | Caprice | Base |
| 1973-1976 | Chevrolet | Caprice | Classic |
| 1976 | Chevrolet | Caprice | Classic Estate |
| 1976 | Chevrolet | Caprice | Classic Landau |
| 1975-1976 | Chevrolet | Caprice | Classic Sport |
| 1973-1974 | Chevrolet | Caprice | Estate |
| 1975 | Chevrolet | Caprice | Estate Wagon |
| 1968 | Chevrolet | Chevelle | 300 |
| 1968-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1968-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1973 | Chevrolet | Chevelle | Laguna |
| 1973 | Chevrolet | Chevelle | Laguna Estate |
| 1974-1975 | Chevrolet | Chevelle | Laguna Type S-3 |
| 1967-1974 | Chevrolet | Chevelle | Malibu |
| 1974-1975 | Chevrolet | Chevelle | Malibu Classic |
| 1974 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1973 | Chevrolet | Chevelle | Malibu Estate |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1971-1972 | Chevrolet | Chevelle | SS |
| 1967-1970 | Chevrolet | Chevelle | SS 396 |
| 1968 | Chevrolet | Chevy II | Nova |
| 1967-1974 | Chevrolet | Corvette | Base |
| 1967-1975 | Chevrolet | El Camino | Base |
| 1968-1974 | Chevrolet | El Camino | Custom |
| 1968-1974 | Chevrolet | El Camino | SS |
| 1969-1970 | Chevrolet | Estate | Base |
| 1973-1974 | Chevrolet | G10 Van | Base |
| 1976 | Chevrolet | G20 | Beauville |
| 1976 | Chevrolet | G20 | Chevy Van |
| 1973-1974 | Chevrolet | G20 Van | Base |
| 1973-1974 | Chevrolet | G20 Van | Sportvan |
| 1975-1976 | Chevrolet | G30 | Beauville |
| 1975-1976 | Chevrolet | G30 | Chevy Van |
| 1975-1976 | Chevrolet | G30 | Hi-Cube |
| 1973-1974 | Chevrolet | G30 Van | Base |
| 1967-1976 | Chevrolet | Impala | Base |
| 1975-1976 | Chevrolet | Impala | Custom |
| 1976 | Chevrolet | Impala | Custom Landau |
| 1976 | Chevrolet | Impala | S |
| 1975-1976 | Chevrolet | Impala | Sport |
| 1976,1979-1980 | Chevrolet | K10 | Cheyenne |
| 1976,1979-1980 | Chevrolet | K10 | Custom Deluxe |
| 1976,1979-1980 | Chevrolet | K10 | Scottsdale |
| 1976,1979-1980 | Chevrolet | K10 | Silverado |
| 1968-1974 | Chevrolet | K10 Pickup | Base |
| 1968-1974 | Chevrolet | K10 Suburban | Base |
| 1976-1978,1980 | Chevrolet | K20 | Cheyenne |
| 1976-1978,1980 | Chevrolet | K20 | Custom Deluxe |
| 1976-1978,1980 | Chevrolet | K20 | Scottsdale |
| 1976-1978,1980 | Chevrolet | K20 | Silverado |
| 1968-1974 | Chevrolet | K20 Pickup | Base |
| 1968-1974 | Chevrolet | K20 Suburban | Base |
| 1985 | Chevrolet | K20 Suburban | Custom |
| 1985 | Chevrolet | K20 Suburban | Scottsdale |
| 1985 | Chevrolet | K20 Suburban | Silverado |
| 1992-1993 | Chevrolet | K2500 Suburban | Base |
| 1992-1993 | Chevrolet | K2500 Suburban | Silverado |
| 1977,1980-1981 | Chevrolet | K30 | Cheyenne |
| 1981-1986 | Chevrolet | K30 | Custom |
| 1977,1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977,1980-1986 | Chevrolet | K30 | Scottsdale |
| 1977,1980-1986 | Chevrolet | K30 | Silverado |
| 1968-1974 | Chevrolet | K30 Pickup | Base |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1976-1978 | Chevrolet | K5 Blazer | Cheyenne |
| 1977-1978 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1978 | Chevrolet | K5 Blazer | Silverado |
| 1969-1972 | Chevrolet | Kingswood | Base |
| 1969-1972 | Chevrolet | Kingswood | Estate |
| 1970-1974 | Chevrolet | Monte Carlo | Base |
| 1973-1974 | Chevrolet | Monte Carlo | Landau |
| 1973,1975 | Chevrolet | Monte Carlo | S |
| 1969-1972 | Chevrolet | Nova | Base |
| 1973 | Chevrolet | P10 Van | Base |
| 1976,1979 | Chevrolet | P20 | Base |
| 1976,1979 | Chevrolet | P20 | Step-Van |
| 1970-1971,1973 | Chevrolet | P20 Van | Base |
| 1975-1989 | Chevrolet | P30 | Base |
| 1975-1985,1987-1989 | Chevrolet | P30 | Step-Van |
| 1970-1971,1973-1974 | Chevrolet | P30 Van | Base |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987-1988 | Chevrolet | R30 | Custom Deluxe |
| 1987-1988 | Chevrolet | R30 | Scottsdale |
| 1987-1988 | Chevrolet | R30 | Silverado |
| 1989 | Chevrolet | R3500 | Cheyenne |
| 1989 | Chevrolet | R3500 | Scottsdale |
| 1989 | Chevrolet | R3500 | Silverado |
| 1969-1972 | Chevrolet | Townsman | Base |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987-1988 | Chevrolet | V30 | Custom Deluxe |
| 1987-1988 | Chevrolet | V30 | Scottsdale |
| 1987-1988 | Chevrolet | V30 | Silverado |
| 1989 | Chevrolet | V3500 | Cheyenne |
| 1989 | Chevrolet | V3500 | Scottsdale |
| 1989 | Chevrolet | V3500 | Silverado |
| 1972-1979 | Excalibur | Phaeton | Base |
| 1975-1978 | GMC | C15 | Base |
| 1977-1978 | GMC | C15 | Heavy Half |
| 1975-1978 | GMC | C15 | High Sierra |
| 1977 | GMC | C15 | Indy Hauler |
| 1975-1978 | GMC | C15 | Sierra Classic |
| 1975-1978 | GMC | C15 | Sierra Grande |
| 1978 | GMC | C15 | Street Coupe |
| 1975-1978 | GMC | C15 Suburban | Base |
| 1975-1978 | GMC | C15 Suburban | High Sierra |
| 1975-1978 | GMC | C15 Suburban | Sierra Classic |
| 1975-1978 | GMC | C15 Suburban | Sierra Grande |
| 1968-1974 | GMC | C15/C1500 Pickup | Base |
| 1968-1974 | GMC | C15/C1500 Suburban | Base |
| 1979-1980 | GMC | C1500 | Base |
| 1979-1980 | GMC | C1500 | Heavy Half |
| 1979-1980 | GMC | C1500 | High Sierra |
| 1979-1980 | GMC | C1500 | Sierra Classic |
| 1979-1980 | GMC | C1500 | Sierra Grande |
| 1979-1980 | GMC | C1500 | Street Coupe |
| 1979-1980 | GMC | C1500 Suburban | Base |
| 1979-1980 | GMC | C1500 Suburban | High Sierra |
| 1979-1980 | GMC | C1500 Suburban | Sierra Classic |
| 1979-1980 | GMC | C1500 Suburban | Sierra Grande |
| 1975-1978 | GMC | C25 | Base |
| 1975-1978 | GMC | C25 | High Sierra |
| 1975-1978 | GMC | C25 | Sierra Classic |
| 1975-1978 | GMC | C25 | Sierra Grande |
| 1975-1978 | GMC | C25 Suburban | Base |
| 1975-1978 | GMC | C25 Suburban | High Sierra |
| 1975-1978 | GMC | C25 Suburban | Sierra Classic |
| 1975-1978 | GMC | C25 Suburban | Sierra Grande |
| 1968-1974 | GMC | C25/C2500 Pickup | Base |
| 1968-1974 | GMC | C25/C2500 Suburban | Base |
| 1979-1986 | GMC | C2500 | Base |
| 1979-1986 | GMC | C2500 | High Sierra |
| 1979-1986 | GMC | C2500 | Sierra Classic |
| 1979-1982 | GMC | C2500 | Sierra Grande |
| 1979-1986,1992-1993 | GMC | C2500 Suburban | Base |
| 1979-1986 | GMC | C2500 Suburban | High Sierra |
| 1979-1986 | GMC | C2500 Suburban | Sierra Classic |
| 1979-1982 | GMC | C2500 Suburban | Sierra Grande |
| 1992-1993 | GMC | C2500 Suburban | SLE |
| 1975-1978 | GMC | C35 | Base |
| 1975-1978 | GMC | C35 | High Sierra |
| 1975-1978 | GMC | C35 | Sierra Classic |
| 1975-1978 | GMC | C35 | Sierra Grande |
| 1968-1974 | GMC | C35/C3500 Pickup | Base |
| 1979-1986 | GMC | C3500 | Base |
| 1979-1986 | GMC | C3500 | High Sierra |
| 1979-1986 | GMC | C3500 | Sierra Classic |
| 1979-1982 | GMC | C3500 | Sierra Grande |
| 1975-1976 | GMC | G25 | Rally |
| 1975-1976 | GMC | G25 | Rally STX |
| 1976 | GMC | G35 | Magnavan |
| 1974 | GMC | G35/G3500 Van | Base |
| 1973-1974 | GMC | G35/G3500 Van | Rally |
| 1973-1974 | GMC | G35/G3500 Van | Vandura |
| 1973-1974,1976 | GMC | Jimmy | Base |
| 1976 | GMC | Jimmy | High Sierra |
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4.6 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Love my chair!!!
Color: Onyx Black
Love my chair! I’m a student with rheumatoid arthritis and this has made studying much more comfortable. It has great back support, is really sturdy, and easy to use, I don’t feel like I’m going to fall when I tilt it back and use the footrest. It looks good too. It fits in well with my renovated warehouse apartment. Awesome value for the money. I bought mine on sale and it is worth every penny. Thanks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026
★★★★★ 5
My first time…and I like it.
Chairs can be tough to buy new without trying them out in person. You have no idea how it will feel, adjust, or breathe as you sit into it. The only way to know if what you’re getting is good or not is by taking a strangers word on the internet that it’s good. That being said, I’m very happy I listened to the strangers on this one.
Coming from exclusively leather, cushiony chairs my whole life, I had no idea what to expect out of its mesh cousin. I was looking for something comfortable like a leather seat with the added breathability that mesh provides. This chair hits all marks. It’s comfortable, it breathes, is fully adjustable and comes with easy to read instructions backed up by the best customer service I’ve ever received online in my last 20 years on the web.
The curves and contours of the chair fit my 5’10” 250 lb. frame nicely. The pneumatic adjustment is firm and cooperates well with any adjustments you might need. The upright position makes me feel like I slouch too much (which I probably do) and the lowest position almost makes me fall asleep (which I probably need). The casters glide as if on ice (after an upgrade, more on that later) and have no trouble changing course. The wheels might actually slide too well as now I have to plant my feet to stop myself on my wood floors. There is a “not included but provided upon request” lumbar pillow. The cushion is high quality but my back didn’t take to it very well. Not a knock on the chair, just my bad back. All in all, 5/5 so far.
All of Assembly is easy if you’ve ever put together any office chair ever. It’s the same. No surprises there. Steel construction with steel screws and a provided Allen wrench for the initial build. I would suggest using a battery powered drill at low speed for the screws. Having a power tool makes the job much quicker but isn’t necessary. All of the pieces are clean and free of any machining burrs. Again, 5/5.
Now we get to the customer service. The entire reason I decided to go with this chair was based on feedback provided by past customers. And I’m sure glad I listened. The lumbar pillow I spoke about only took a short email to acquire. Their friendly, helpful, and well spoken customer service agents are quick to reply and are always asking for feedback. I also mentioned earlier in the review that my casters were now good. That does mean the ones that it includes were not up to the standard of the rest of the chair for my weight. That being said, my wife, who is much smaller than I am, had no issues scooting around on the included wheels. Anyway, the company ended up sending me a replacement set of high quality nylon casters at no charge that tied up this experience in a nice little bow. The company did request the old wheels and base the be returned but the prepaid shipping label was provided. The option to have them arrange pickup of said items was also available. 5/5 with ease.
So there it is. My first review ever. I would be doing the manufacturer a disservice by not detailing the entire experience from exceptional construction to customer service rivaled by none. If you’re looking to give mesh chairs a shot, don’t be afraid. You will not regret it.
(I know this review was all positive. It was not sponsored. Unless you count the upgrades, but anyone can get those.)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2023
★★★★★ 5
Comfort, support, style, and durability in this chair!
Color: Lightbrown, Color: Lightbrown
🥰 Very sturdy and durable for everyday use in the office or at home! Perfect for sitting, planking, criss-cross Apple sauce, or whatever seating position you wanna call it lol.
🛠️ Assembly;
All the tools you need are provided in this kit! This took me all of 20 minutes to complete. Once you read the instructions, it’s pretty much placing screws in holes and done! No drilling needed! Cheers to the quick and easy process! Material is easy to clean, for keeping it in pristine condition!
🌟 Softness;
Very nice and plush backing! Sides come down just as advertised but requires a bit of force to do so which is perfect, as they aren’t just plopping down because you press on the arms. I was concerned that would be an issue, and it’s nothing to worry about!
Absolutely Love it, well designed for comfort / support, style, and adaptability!
✅ Stability;
Chair wheels glide as expected on my carpeted floor. Pretty much with ease on the tile surface. The chair feels sturdy, even with the adjustable height and backspring, ultimately a relaxing desk chair. I appreciate there not a lot of wobble and no noise when moving around.. I’m not getting wild here but you could totally plank on the chair if you wanted and it still remain stable!
👍✨ Overall, I would definitely recommend! Storage side pockets are a plus!
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Stylish, comfortable, and very practical
Color: Black, Color: Black
This chair is both cuteand funtional. The wide seat is super comfortable, especially for sitting cross-legged, and the flip-up arms are really convenient. I also like the side pockets for small items. It rolls smoothly, feels sturdy, and was easy to asssemble. Perfect for a home office or vanity setup.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Nice office chair
Color: Beige
I recently purchased this chair for my home office setup. This chair is very comfortable and feels sturdy right out of the box. The seat cushion is thick and supportive, the back provides good support. I really like the flip-up armrests, which make it easy to slide the chair under my desk. Assembly was simple and didn't take long. Overall, it's a solid, well-built chair and a great value for the price.
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Reviewed in the United States on March 15, 2026