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Description
COMP Cams Camshaft A8 299THR7 ThumperDesigned to deliver an aggressive, hard hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain
Designed to deliver an aggressive, hard-hitting exhaust note at idle, the Thumpr camshaft series from COMP Cams also delivers excellent horsepower gains and a broad torque curve. A perfect choice for muscle cars and street rods, the Thumpr series' early intake valve opening and long exhaust duration create optimum overlap for that race car idle. The Thumpr grinds all require an aftermarket torque converter and lower gear ratio to ensure the drivetrain always puts the engine in its powerband. Additionally, Thumpr camshafts typically deliver reduced vacuum at idle, making a vacuum canister, pump or hydroboost a requirement for vehicles running power brakes.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1967 | American Motors | Ambassador | 880 |
| 1968-1970 | American Motors | Ambassador | Base |
| 1971-1974 | American Motors | Ambassador | Brougham |
| 1968-1971 | American Motors | Ambassador | DPL |
| 1968-1972 | American Motors | Ambassador | SST |
| 1966-1968 | American Motors | American | 220 |
| 1968 | American Motors | American | 440 |
| 1968 | American Motors | American | Rogue |
| 1968-1970,1978-1979 | American Motors | AMX | Base |
| 1966 | American Motors | Classic | 550 |
| 1966 | American Motors | Classic | 770 |
| 1978-1979 | American Motors | Concord | Base |
| 1979 | American Motors | Concord | DL |
| 1979 | American Motors | Concord | Limited |
| 1972-1975 | American Motors | Gremlin | Base |
| 1976 | American Motors | Gremlin | Custom |
| 1977 | American Motors | Hornet | AMX |
| 1970-1971,1973-1977 | American Motors | Hornet | Base |
| 1971 | American Motors | Hornet | SC/360 |
| 1971-1977 | American Motors | Hornet | Sportabout |
| 1970-1972 | American Motors | Hornet | SST |
| 1971-1974 | American Motors | Javelin | AMX |
| 1968-1974 | American Motors | Javelin | Base |
| 1968-1972 | American Motors | Javelin | SST |
| 1970 | American Motors | Javelin | SST Mark Donohue |
| 1970 | American Motors | Javelin | SST Trans Am |
| 1967 | American Motors | Marlin | Base |
| 1971-1978 | American Motors | Matador | Base |
| 1974 | American Motors | Matador | Brougham |
| 1974 | American Motors | Matador | X |
| 1978 | American Motors | Pacer | Base |
| 1979 | American Motors | Pacer | DL |
| 1979 | American Motors | Pacer | Limited |
| 1969 | American Motors | Rambler | 440 |
| 1969 | American Motors | Rambler | Base |
| 1969 | American Motors | Rambler | Hurst SC/Rambler |
| 1969 | American Motors | Rambler | Rogue |
| 1967-1968 | American Motors | Rebel | 550 |
| 1968 | American Motors | Rebel | 770 |
| 1970 | American Motors | Rebel | Base |
| 1968 | American Motors | Rebel | SST |
| 1966 | American Motors | Rogue | Base |
| 1979 | American Motors | Spirit | Base |
| 1974 | Bricklin | SV-1 | Base |
| 1974 | International | 100 | Base |
| 1974 | International | 100 | Travelall |
| 1974 | International | 200 | Base |
| 1974 | International | 200 | Travelall |
| 1974-1983 | Jeep | Cherokee | Base |
| 1981-1982 | Jeep | Cherokee | Chief |
| 1983 | Jeep | Cherokee | Pioneer |
| 1974-1977 | Jeep | Cherokee | S |
| 1978-1980 | Jeep | Cherokee | Wide Track |
| 1983 | Jeep | Cherokee | Wide Track Chief |
| 1971-1981 | Jeep | CJ5 | Base |
| 1977-1980 | Jeep | CJ5 | Golden Eagle |
| 1980-1981 | Jeep | CJ5 | Laredo |
| 1975-1981 | Jeep | CJ5 | Renegade |
| 1971-1975 | Jeep | CJ6 | Base |
| 1976-1981 | Jeep | CJ7 | Base |
| 1977-1979 | Jeep | CJ7 | Golden Eagle |
| 1980 | Jeep | CJ7 | Golden Hawk |
| 1980-1981 | Jeep | CJ7 | Laredo |
| 1976-1981 | Jeep | CJ7 | Renegade |
| 1972-1973 | Jeep | Commando | Base |
| 1984-1991 | Jeep | Grand Wagoneer | Base |
| 1984-1985 | Jeep | Grand Wagoneer | Limited |
| 1971-1973 | Jeep | J-100 | Base |
| 1970-1973 | Jeep | J-2500 | Base |
| 1970-1973 | Jeep | J-2600 | Base |
| 1970-1971 | Jeep | J-3800 | Base |
| 1971-1973 | Jeep | J-4500 | Base |
| 1971-1973 | Jeep | J-4600 | Base |
| 1971-1973 | Jeep | J-4700 | Base |
| 1971-1973 | Jeep | J-4800 | Base |
| 1974-1988 | Jeep | J10 | Base |
| 1974-1988 | Jeep | J20 | Base |
| 1972-1982 | Jeep | Wagoneer | Base |
| 1982-1983 | Jeep | Wagoneer | Brougham |
| 1973-1976 | Jeep | Wagoneer | Custom |
| 1979-1983 | Jeep | Wagoneer | Limited |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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
4.3 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Dream pillow
I’ve been using latex pillows for over 30 years, and I can’t find them in local stores anymore. I’ve been needing to replace my pillow and finally decided to try this one. There are so many options on Amazon that it’s overwhelming. But this standard low loft pillow ended up being PERFECT. It feels amazing and just like the pillows I’ve been using since childhood. It is soft but cradles my head and neck perfectly. For me, it’s like sleeping on a gentle cloud. Very happy with my purchase. (Yes, it does have a slight latex odor. That is normal due to the material. It’s not very strong and it doesn’t bother me).
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Great latex pillow
Size: Queen (Mid Loft), Number of Items: 1
This review is for the biamktp queen pillow. Medium firmness. Finally a latex pillow worth keeping. After trying many other latex pillows I'm finally sleeping comfortably. This pillow is soft, yet firm enough to give your head support. I'm not having any neck or shoulder pain when I wake up. I'm sleep on my side about 95% of the time. 5% on my back. I've been sleeping with this pillow for about 10 days and still am happy with it. It was delivered on time, absolutely no odor and it has a removable cover. I highly recommend it.
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Reviewed in the United States on June 8, 2025
★★★★★ 4
Great Pillow
Size: Queen (High Loft), Number of Items: 1
Very Comfortable…Holds up well
Highly recommend..
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Latex pillows
Size: Queen (Mid Loft), Number of Items: 1
It is a great pillow! I just found these again. I use to buy them from another store and they stopped selling them and I never had a crook in my neck. Used them for years . So happy to have found them again just order another one!!! ❤️❤️❤️
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Perfect bounce back comfortable support.
Size: Queen (Mid Loft), Number of Items: 1
Exactly what I was looking for. Love these long lasting, years and years, pillows.
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Reviewed in the United States on April 28, 2026