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COMP Cams Magnum Roller Rocker Chevy SBThese Magnum Roller Rocker Arms for Chevy V8 265 400 and V6 200 262 Applications are the ultimate street Rocker. With a 3 8" Stud diameter and 1. 6 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more
These Magnum Roller Rocker Arms for Chevy V8 265-400 and V6 200-262 Applications are the ultimate street Rocker. With a 3/8" Stud diameter and 1.6 ratio, they are designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other Rocker arms, Magnum Roller Rockers are perfect for performance Applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1980 | Cadillac | Eldorado | Base |
| 1980 | Cadillac | Eldorado | Biarritz |
| 1980 | Cadillac | Eldorado | Cabriolet |
| 1980 | Cadillac | Seville | Base |
| 1980 | Cadillac | Seville | Elegante |
| 1955-1957,1972-1974 | Chevrolet | Bel Air | Base |
| 1955-1956 | Chevrolet | Bel Air | Beauville |
| 1955-1957 | Chevrolet | Bel Air | Nomad |
| 1958-1959 | Chevrolet | Biscayne | Base |
| 1969-1972 | Chevrolet | Brookwood | Base |
| 1969-1974 | Chevrolet | C10 Pickup | Base |
| 1976-1980 | Chevrolet | C20 | Cheyenne |
| 1976-1980 | Chevrolet | C20 | Custom Deluxe |
| 1976-1980 | Chevrolet | C20 | Scottsdale |
| 1976-1980 | Chevrolet | C20 | Silverado |
| 1978-1979 | Chevrolet | C30 | Cheyenne |
| 1978-1979 | Chevrolet | C30 | Custom Deluxe |
| 1978-1979 | Chevrolet | C30 | Scottsdale |
| 1978-1979 | Chevrolet | C30 | Silverado |
| 1969-1974,1976-1980 | Chevrolet | Camaro | Base |
| 1979-1984 | Chevrolet | Camaro | Berlinetta |
| 1985-1986 | Chevrolet | Camaro | Iroc-Z |
| 1973-1974,1976-1978 | Chevrolet | Camaro | LT |
| 1976-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1980 | Chevrolet | Camaro | Rally Sport |
| 1969-1973 | Chevrolet | Camaro | RS |
| 1981-1984 | Chevrolet | Camaro | Sport |
| 1972 | Chevrolet | Camaro | SS |
| 1972-1974,1979-1986 | Chevrolet | Camaro | Z28 |
| 1982 | Chevrolet | Camaro | Z28 Indianapolis 500 Pace Car |
| 1985 | Chevrolet | Caprice | Classic |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1964-1967 | Chevrolet | Chevelle | Malibu |
| 1963-1967 | Chevrolet | Chevy II | Base |
| 1963-1967 | Chevrolet | Chevy II | Nova |
| 1964-1967 | Chevrolet | Chevy II | Nova SS |
| 1957-1958,1960-1965,1972-1974,1977,1982,1984-1986 | Chevrolet | Corvette | Base |
| 1982 | Chevrolet | Corvette | Collector's Edition |
| 1986 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 1975-1976 | Chevrolet | Corvette | Stingray |
| 1958 | Chevrolet | Del Ray | Base |
| 1968-1973,1976-1986 | Chevrolet | El Camino | Base |
| 1976-1977 | Chevrolet | El Camino | Classic |
| 1977-1978,1981-1986 | Chevrolet | El Camino | Conquista |
| 1968-1973 | Chevrolet | El Camino | Custom |
| 1979-1981 | Chevrolet | El Camino | Royal Knight |
| 1977-1986 | Chevrolet | El Camino | SS |
| 1969-1973 | Chevrolet | G10 Van | Base |
| 1968-1973 | Chevrolet | G10 Van | Sportvan |
| 1977-1986 | Chevrolet | G20 | Beauville |
| 1983-1984 | Chevrolet | G20 | Bonaventure |
| 1977-1986 | Chevrolet | G20 | Chevy Van |
| 1978-1981 | Chevrolet | G20 | Nomad |
| 1977-1978,1981-1986 | Chevrolet | G20 | Sportvan |
| 1959,1970-1976,1983-1985 | Chevrolet | Impala | Base |
| 1975-1976 | Chevrolet | Impala | Custom |
| 1976 | Chevrolet | Impala | Custom Landau |
| 1976 | Chevrolet | Impala | S |
| 1975-1976 | Chevrolet | Impala | Sport |
| 1980 | Chevrolet | K10 | Cheyenne |
| 1980 | Chevrolet | K10 | Custom Deluxe |
| 1980 | Chevrolet | K10 | Scottsdale |
| 1980 | Chevrolet | K10 | Silverado |
| 1975-1979 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1975-1979 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979 | Chevrolet | K10 Suburban | Silverado |
| 1975-1981 | Chevrolet | K20 | Cheyenne |
| 1981-1986 | Chevrolet | K20 | Custom |
| 1975-1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1975-1986 | Chevrolet | K20 | Scottsdale |
| 1975-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1968-1974 | Chevrolet | K20 Suburban | Base |
| 1981-1986 | Chevrolet | K20 Suburban | Custom |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1977-1981 | Chevrolet | K30 | Cheyenne |
| 1981-1986 | Chevrolet | K30 | Custom |
| 1977-1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977-1986 | Chevrolet | K30 | Scottsdale |
| 1977-1986 | Chevrolet | K30 | Silverado |
| 1979,1981-1986 | Chevrolet | Monte Carlo | Base |
| 1983 | Chevrolet | Monte Carlo | CL |
| 1976,1978-1981 | Chevrolet | Monte Carlo | Landau |
| 1986 | Chevrolet | Monte Carlo | LS |
| 1976-1977 | Chevrolet | Monte Carlo | S |
| 1978,1980 | Chevrolet | Monte Carlo | Sport |
| 1983-1986 | Chevrolet | Monte Carlo | SS |
| 1972-1974 | Chevrolet | Nova | Base |
| 1973-1974 | Chevrolet | Nova | Custom |
| 1978 | Oldsmobile | Cutlass Salon | 442 |
| 1978 | Oldsmobile | Cutlass Salon | Base |
| 1978 | Oldsmobile | Cutlass Salon | Brougham |
| 1983-1986 | Pontiac | Bonneville | Base |
| 1983-1986 | Pontiac | Bonneville | Brougham |
| 1984-1986 | Pontiac | Bonneville | LE |
| 1982-1983,1985-1986 | Pontiac | Firebird | Trans Am |
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4.6 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Interesting
Format: Paperback
Product with very good quality, its description matches the website.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
★★★★★ 5
A wonderful primer for those discovering the amazing world of generative AI
Format: Paperback, Format: Paperback
Somewhere in the past year, ChatGPT has gone from "cool, interesting, amusing" to a massively valuable work assistant capable of writing Python scripts, analysing data, and doing lots, lots, more. The key to this? The rapid evolution of OpenAI's GPT models and making my first forays into prompt engineering.
If I thought I was getting good, though, this book took me reminded me that I'm just scratching the surface. Halfway through the first chapter I was already furiously scribbling notes in the margins for what I could do better with my prompt writing and by the end of the text I felt like I had gotten a very good grounding - not just in GPTs specifically but in the bigger picture of how these hugely powerful tools were trained and came to maturity.
I imagine that few will argue with my assertion that there is lots of hyperbole and "noise" in the AI space right now which, as ever, makes it hard to pick out the signal from the noise. Which is precisely why I sought out an O'Reilly title and I'm very glad that I did.
Thorough, excellent, and I hope that this edition will be the first of many. As this rapidly maturing field scales and matures I think that prompt engineering will be an essential discipline to master. Pick up this text to get a good foothold on things.
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Reviewed in the United States on August 3, 2024
★★★★★ 4
Understanding AI prompts as a science
Format: Audiobook
Prompt engineering is the art and science of finding the right words to generate the right responses from artificial intelligence (AI). It's becoming a skill in-demand in today's workplaces. It's also becoming an essential skill for life. To understand prompt engineering, you must understand how AI tools understand their inputs. This book explains that to you in many forms.
It covers prompting as it intersects all the major AI disciplines, like general prompts (as in a ChatBot), fine-tuning, and retrieval-augmented generation (RAG). It also introduces how prompting intersects a couple of image-generation tools.
As a scientist, I appreciate the theoretical approach to these practical matters. Too many people are hacks at AI these days, and any technical understanding can rapidly advance an individual's effectiveness. Prompt engineering is often made fun of as a "soft" topic, but as this book demonstrates, it intersects all the major AI areas. Presumably less garbage in means less garbage out. This book shows how you can make that take place.
As typical for O'Reilly materials, this book appeals to people who desire an intermediate-to-advanced understanding of how AI works. It's not for the casual user. Anyone technical involved in professional knowledge generation using AI can benefit from understanding the dynamics "under the hood." It's a good, though perhaps not ground-breaking, textbook for those of us unable to take a class in the subject. Prompt engineering may be a soft topic to many, but books like this ground the field in the science that can make or break a digital or software product.
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Reviewed in the United States on December 13, 2025
★★★★★ 5
Great book
Format: Paperback
Great book! It is helpful as I work towards my Masters of Science in Applied Artificial Intelligence
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Reviewed in the United States on December 20, 2025
★★★★★ 5
Comprehensive Guide with Practical Insights
Format: Paperback
This is a solid book for understanding the art and science of working with LLMs and other generative AI models. I always struggled with getting the output I was looking for, and wasn't sure how best to "ask" the models for what I wanted. This book did a great job of laying out the strategies and practical guidance to craft the prompts. There were a lot of tips and tricks, but the overall understanding and framework around prompt engineering has been super useful.
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Reviewed in the United States on June 25, 2024