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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. Catalog User 1 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
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.
CatalogUser 1
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 ★★★★★
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Product Reviews
★★★★★ 4
Hot twists
Format: Kindle
This will keep you on your toes toes in a hot twisty mess. You want to love, hate and root for whom is the big question. I’m quickly getting the next book because it ends on a cliffhanger and damn, it’s got me ready to tear into it!
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Ends in a cliffhanger
Format: Kindle
Thankfully, the next book is already available.
Roxy Collins is the queen of omegaverse slow burn. This particular series is omegaverse with wolf shifters.
Thoroughly enjoyed this book! Lots of suspense and trying to figure out what is true and what's really going on. I loved it!
Pretty spicy once the action starts. Heats are pretty much always spicy. There is a little bit of male interaction, but not full-on shmex.
Definitely recommend.
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Reviewed in the United States on April 29, 2025
★★★★★ 5
Epic!!!!
Format: Kindle
Absolutely addicted from the first page. The twists and turns, world building and character development all come together for the perfect Omegaverse. And let's not forget that spice because knots are life and these are spectacular. Running for book #2 because that cliffhanger was torturous.
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Reviewed in the United States on August 17, 2024
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!!
Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
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Reviewed in the United States on September 30, 2025
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat.
It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
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Reviewed in the United States on December 18, 2025