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Description
COMP Cams Camshaft P8 295T H-107 T ThumperBig Mutha' Thumpr 243 257 Hydraulic Flat Cam for Pontiac 265 455. Street strip, needs 9. 5: 1 compression, 2800+ stall, intake, Gears and headers, very rough idle. This Part Fits: Year Make Model Submodel 1972 Buick Centurion Base 1980 1981 Buick Century Base 1979 Buick Century Custom 1980 1981 Buick Century Estate 1979 1981 Buick Century Limited 1979 Buick Century Special 1979 1981 Buick Century Sport 1974 Buick Electra 225 1974 Buick Electra 225
Big Mutha' Thumpr 243/257 Hydraulic Flat Cam for Pontiac 265-455. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1972 | Buick | Centurion | Base |
| 1980-1981 | Buick | Century | Base |
| 1979 | Buick | Century | Custom |
| 1980-1981 | Buick | Century | Estate |
| 1979-1981 | Buick | Century | Limited |
| 1979 | Buick | Century | Special |
| 1979-1981 | Buick | Century | Sport |
| 1974 | Buick | Electra | 225 |
| 1974 | Buick | Electra | 225 Custom |
| 1974 | Buick | Electra | 225 Limited |
| 1980 | Buick | Electra | Estate Wagon |
| 1974,1980 | Buick | Estate Wagon | Base |
| 1974,1977-1980 | Buick | LeSabre | Base |
| 1975,1977-1978 | Buick | LeSabre | Custom |
| 1977 | Buick | LeSabre | Custom Sport |
| 1979-1980 | Buick | LeSabre | Limited |
| 1974 | Buick | LeSabre | Luxus |
| 1979-1981 | Buick | Regal | Base |
| 1979-1981 | Buick | Regal | Limited |
| 1974 | Buick | Riviera | Base |
| 1977 | Buick | Skylark | Base |
| 1977 | Buick | Skylark | S |
| 1977 | Buick | Skylark | SR |
| 1975 | Oldsmobile | 98 | Luxury |
| 1975 | Oldsmobile | 98 | Regency |
| 1975 | Oldsmobile | Custom Cruiser | Base |
| 1975 | Oldsmobile | Custom Cruiser | Panel |
| 1974 | Oldsmobile | Cutlass | Base |
| 1974 | Oldsmobile | Cutlass | S |
| 1974 | Oldsmobile | Cutlass Supreme | Base |
| 1974 | Oldsmobile | Cutlass Supreme | Cruiser |
| 1979 | Oldsmobile | Delta 88 | Base |
| 1979 | Oldsmobile | Delta 88 | Royale |
| 1972-1974 | Oldsmobile | Toronado | Base |
| 1972-1975 | Oldsmobile | Toronado | Brougham |
| 1975 | Oldsmobile | Toronado | Custom |
| 1957-1981 | Pontiac | Bonneville | Base |
| 1976-1981 | Pontiac | Bonneville | Brougham |
| 1959-1962 | Pontiac | Bonneville | Custom |
| 1959-1970,1978-1980 | Pontiac | Bonneville | Safari |
| 1964-1967 | Pontiac | Catalina | 2+2 |
| 1955-1981 | Pontiac | Catalina | Base |
| 1971-1972 | Pontiac | Catalina | Brougham |
| 1959-1980 | Pontiac | Catalina | Safari |
| 1962-1970 | Pontiac | Catalina | Ventura |
| 1955-1958 | Pontiac | Chieftain | Base |
| 1957 | Pontiac | Chieftain | Custom Safari |
| 1957 | Pontiac | Chieftain | Custom Safari Transcontinental |
| 1955,1958 | Pontiac | Chieftain | Safari |
| 1967-1970 | Pontiac | Executive | Base |
| 1967-1970 | Pontiac | Executive | Safari |
| 1968-1969 | Pontiac | Firebird | 350 |
| 1969 | Pontiac | Firebird | 350 HO |
| 1967-1969 | Pontiac | Firebird | 400 |
| 1967-1977,1979-1981 | Pontiac | Firebird | Base |
| 1970-1977,1979-1981 | Pontiac | Firebird | Esprit |
| 1970-1981 | Pontiac | Firebird | Formula |
| 1967 | Pontiac | Firebird | HO |
| 1969-1981 | Pontiac | Firebird | Trans Am |
| 1973-1975,1978-1980 | Pontiac | Grand Am | Base |
| 1975-1977,1979-1981 | Pontiac | Grand LeMans | Base |
| 1975,1977,1979-1981 | Pontiac | Grand LeMans | Safari |
| 1962-1974,1976-1981 | Pontiac | Grand Prix | Base |
| 1981 | Pontiac | Grand Prix | Brougham |
| 1975,1977-1981 | Pontiac | Grand Prix | LJ |
| 1975-1980 | Pontiac | Grand Prix | SJ |
| 1971-1978 | Pontiac | Grand Safari | Base |
| 1971-1974 | Pontiac | Grandville | Base |
| 1975 | Pontiac | Grandville | Brougham |
| 1964-1973 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1963-1977,1979-1981 | Pontiac | LeMans | Base |
| 1972-1974 | Pontiac | LeMans | Luxury |
| 1969-1970,1973-1975,1977,1979-1981 | Pontiac | LeMans | Safari |
| 1974 | Pontiac | LeMans | Safari Luxury |
| 1970-1977 | Pontiac | LeMans | Sport |
| 1971 | Pontiac | LeMans | T37 |
| 1955-1966 | Pontiac | Star Chief | Base |
| 1955-1957 | Pontiac | Star Chief | Custom |
| 1958 | Pontiac | Star Chief | Custom Safari |
| 1966 | Pontiac | Star Chief | Executive |
| 1958 | Pontiac | Star Chief | Super Deluxe |
| 1957-1958 | Pontiac | Super Chief | Base |
| 1961-1970 | Pontiac | Tempest | Base |
| 1964-1965,1968-1969 | Pontiac | Tempest | Custom |
| 1961-1962 | Pontiac | Tempest | LeMans |
| 1961,1963-1969 | Pontiac | Tempest | Safari |
| 1960-1961,1971-1975,1977 | Pontiac | Ventura | Base |
| 1973-1975 | Pontiac | Ventura | Custom |
| 1974 | Pontiac | Ventura | GTO |
| 1975 | Pontiac | Ventura | S |
| 1975,1977 | Pontiac | Ventura | SJ |
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4.1 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Please Read for Troubleshooting Info
Style: AVR-X2800H
I purchased a refurbished device and at first it worked fine. Then it started having a lot of trouble on power up locking into my DirectTV cable signal. It kept powering up my Blu-ray player and accessing its menu, even though I had not selected it and there was no disc loaded. I became frustrated enough that I returned the device. Wish I hadn't as it was a nice home theater system. To make a long story short, I bought another brand of receiver (for more money) and continued to have the exact same problem. Finally, a Google search found a troubleshooting solution on reddit. Many reddit users suggested turning off the HDMI CEC control. This was easier said than done, as this HDMI CEC control setting was not found in the Denon receiver menus. It was found in the setup menu for the Blu-ray player. Once I found the proper setting and turned it off the receiver was no longer confused and trying to access the Blu-ray player upon power up. It locked in on the DirertTV signal and was rock solid. I wish I had learned this solution earlier and had kept this nice receiver. I'm so bummed.
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Reviewed in the United States on May 8, 2025
★★★★★ 5
Good receiver.
Style: AVR-X2800H
Very powerful and good quality receiver for the price. Replacing my Yamaha after it got burned out. Pulling my BW speakers with no problem at all. Very pleased with the performance.
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Reviewed in the United States on December 11, 2025
★★★★★ 1
"factory certified" broken receiver
Style: AVR-X2800H
So I call b.s. on these. Here's why. I got a unit with a broken IR receiver. I cannot imagine a real factory certification process that doesn't involve making sure the unit responds to a remote control. This one of the first things you would try to make sure something works.
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Reviewed in the United States on January 12, 2026
★★★★★ 4
Great upgrade to my Denon AVR-X2400H
Style: AVR-X2800H
Good audio and video quality - a great upgrade to my lightning-zapped AVR-X2400H.
Audio analyzer works better than the earlier version, but still required some tweaking of the rear surround (reduce) and Front Center (increase) channels.
I had to raise the input trim levels for my HDMI 1&2 for TiVo and Roku to get the output level active in the first 1/3 of the volume control range.
Bluetooth feed to external headphones works well but does not have the same volume level range as the main audio. Audio quality is not quite as good as the main output but will be good for late night listening.
1080p menu system is a nice upgrade. Some complain that it is not 4k, but who needs it?
My old remote works well (since it is the same model). Responds quickly to commands. Quick menu is nice and works well.
Sirius XM works thru the required HEOS app on my phone. Some other streams work natively. I have not been able to connect to my Windows Home Server for my music library yet.
Included all OEM accessories and a link to the manual, which is linked in the system menu. Other than a few finger smudges on the face, it looks good.
As a refurb, I bought the extended warranty just in case.
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Reviewed in the United States on February 21, 2024
★★★★★ 5
Upgrading Home Theater to 4K, SONY STR-AN1000 7 has Awesome Surround Sound and Stunning Pictures
After many years of enjoying my Epson 2150 Home Cinema and my SONY STR-DN1080, I decided to upgrade to a 4K projector. I use my projector as a television, to watch movies, sports, etc., on a daily basis. Upgrading to a 4K projector required me ass well to upgrade my home theatre receiver to 4K. Both of my previous devices were 1080. I upgraded my receiver to a Sony STR-AN1000 7.2 Channel (7 x 165 Watt) Surround Sound Home Theater 8K A/V Receiver and my projector to a LG CineBeam UHD 4K projector. Immediately upon connecting my new 4K devices, I experienced difficulties. The picture was jumpy and intermittent, and I could not seamlessly switch from one input on my new home theater to another. Before the upgrade, I would regularly switch among all of my playback and streaming devices. I started panicking thinking I would have to return all of my new equipment, reconnect my old home theater receiver, and put my old projector back into the ceiling. I decided to call customer support. First, I called LG support. Then I called SONY support.
The SONY tech support figured out that the SONY equipment was working properly, but that the LG projector was not receiving the signals from my various devices. He told me the problem was that I needed also to upgrade my HDMI cable to a high-speed 4k cable. That immediately freaked me out because I have a 100 ft cable embedded in a ceiling that had been finished over the cable. No way I was going to rip apart the ceiling (thousands of dollars) to replace the HDMI cable. But his insight set me in the right direction. I did some online research and came across a solution that worked perfectly. Rather than tearing up my ceiling to install a new, high-speed HDMI 4K cable, I invested $39.00 in a HDMI 2.0 Repeater. This super mini HDMI repeater works by decoding and then re-encoding the HDMI signal to a new standard HDMI signal. It also extends the range of the signal. I was now getting perfect pictures from my Firestick and Fite TV Cube and was able to switch freely between them. I changed some of the display settings in the Fire Stick and Amazon Cube. However, I could not pick up the Xfinity TV signal on my LG 4K receiver. Picking up that signal required one last piece of equipment upgrade. I called Comcast technical support and determined that swapping out my Xfinity 1080 boxes for 4K boxes was an option available to me. Therefore, I returned my Xfinity 1080 cable box and swapped it out for an Xfinity 4K cable TV box. Problem solved. Now, I am receiving a perfect 4K image on the LG from all devices, and I can easily switch from one to the other.
Now, let's talk about the SONY STR-AN1000 features.
SONY STR-AN1000
This is a powerful and well-engineered home theater receiver. For me, the only reason to buy this receiver at this point in time was to upgrade my TV/ home theater watching from 1080 to 4K. My SONY 1080 still works fine. I have to figure out what I am going to do with it. The surround sound is awesome on the new STR-AN1000. It has this new Dolby Speaker Virtualization sound field simulation that totally immerses you in surround sound. You can control the SONY STR-AN1000 with your smartphone using the SONY Music Center App. There are plenty of digital and music streaming options. You have multi-room audio and video options using zone 2 and zone 3 outputs. Six HDMI inputs allow you to connect all of your media playback and streaming devices – Blue Ray player, Fire Stick, Fire TV Cube, ROKU Streaming stick, Cable/satellite TV Box, etc. Like my previous STR-DN1080, I can connect 7 speaker sets, including 2 sub-woofers. You can change the settings or switch from one input source to another easily. The on-screen display lets you make adjustments to your settings while looking at your TV screen. You can connect to the internet wirelessly or via an ethernet port. The only major feature this receiver is lacking is a phono input. I don’t mind that because I have another receiver from which to connect my turntables or record players. The remote control is much smaller than previous SONY home theater receiver remotes, making it more user-friendly and easier to understand. The Audio Return Channel (ARC and eARC) allows you to set your system up without the need for an optical audio cable. In my case, that means I don’t have to run an extra cable into the ceiling for the audio to work because the ARC and eARC transmit the audio signal. This receiver is capable of upscaling your video to both 4K and 8K. However, in my case, I found it necessary to get an Xfinity 4K cable box to watch my Xfinity programming. I am totally, 100 percent pleased with my SONY STR-AN1000 4K/8K home theater receiver. This is the fourth SONY home theater receiver I have owned. I have no complaints. The picture quality passed through from all of my playback devices to my LG 4K projector is stunning. There are so many other features to this receiver; however, those are best explained by an audio/video expert. There are many such reviews available online. But if you are a layperson like I am and you want to know whether this STR-AN1000 home theater is a good investment, my answer, based on a few weeks of viewing and my over a decade of experience with other home theater receivers, is that this is a very good investment. The quality and features you are getting are well worth the purchase price, and I am confident you will be watching a TV or projector hooked up to this home theater system for many years to come. I highly recommend it.
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Reviewed in the United States on March 6, 2024