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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Comp Cams Magnum Roller Rocker Rocker Arm; Includes 7/16"This Magnum Roller Rocker Arm for Pontiac V8 265 455 applications is the ultimate street rocker. With a 7 16" stud diameter and 1. 65 ratio, it is 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.
This Magnum Roller Rocker Arm for Pontiac V8 265-455 applications is the ultimate street rocker. With a 7/16" stud diameter and 1.65 ratio, it is 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
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1980 | Buick | Century | Base, Estate |
| 1979 | Buick | Century | Special, Custom |
| 1979 - 1980 | Buick | Century | Sport, Limited |
| 1980 | Buick | Electra | Park Avenue, Limited, Estate Wagon |
| 1980 | Buick | Estate Wagon | Base |
| 1977 - 1980 | Buick | LeSabre | Base |
| 1977 - 1978 | Buick | LeSabre | Custom |
| 1977 | Buick | LeSabre | Custom Sport |
| 1979 - 1980 | Buick | LeSabre | Limited |
| 1978 - 1980 | Buick | LeSabre | Sport |
| 1979 - 1980 | Buick | Regal | Limited, Base, Sport |
| 1977 | Buick | Skylark | S, Base, SR |
| 1979 | Oldsmobile | Delta 88 | Royale, Base |
| 1959 - 1980 | Pontiac | Bonneville | Base, Safari |
| 1976 - 1980 | Pontiac | Bonneville | Brougham |
| 1959 - 1962 | Pontiac | Bonneville | Custom |
| 1964 - 1967 | Pontiac | Catalina | 2+2 |
| 1971 - 1972 | Pontiac | Catalina | Brougham |
| 1959 - 1980 | Pontiac | Catalina | Safari, Base |
| 1962 - 1970 | Pontiac | Catalina | Ventura |
| 1967 - 1970 | Pontiac | Executive | Safari, Base |
| 1967 | Pontiac | Firebird | 326 |
| 1968 - 1969 | Pontiac | Firebird | 350 |
| 1969 | Pontiac | Firebird | 350 HO |
| 1967 - 1969 | Pontiac | Firebird | 400, Sprint |
| 1967 - 1981 | Pontiac | Firebird | Base |
| 1970 - 1981 | Pontiac | Firebird | Esprit, Formula |
| 1967 - 1968 | Pontiac | Firebird | HO |
| 1969 - 1981 | Pontiac | Firebird | Trans Am |
| 1973 - 1980 | Pontiac | Grand Am | Base |
| 1975 - 1981 | Pontiac | Grand LeMans | Base, Safari |
| 1976 | Pontiac | Grand LeMans | BR |
| 1976 - 1981 | Pontiac | Grand LeMans | LE |
| 1981 | Pontiac | Grand LeMans | SA |
| 1962 - 1980 | Pontiac | Grand Prix | Base |
| 1975 - 1980 | Pontiac | Grand Prix | LJ, 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 - 1981 | Pontiac | LeMans | Base |
| 1972 - 1974 | Pontiac | LeMans | Luxury |
| 1969 - 1981 | Pontiac | LeMans | Safari |
| 1974 | Pontiac | LeMans | Safari Luxury |
| 1970 - 1977 | Pontiac | LeMans | Sport |
| 1976 - 1977 | Pontiac | LeMans | Sport Coupe |
| 1971 | Pontiac | LeMans | T37 |
| 1959 - 1966 | Pontiac | Star Chief | Base |
| 1966 | Pontiac | Star Chief | Executive |
| 1961 - 1970 | Pontiac | Tempest | Base |
| 1961 - 1969 | Pontiac | Tempest | Custom, Safari |
| 1970 | Pontiac | Tempest | GT |
| 1961 - 1962 | Pontiac | Tempest | LeMans |
| 1960 - 1977 | Pontiac | Ventura | Base |
| 1973 - 1975 | Pontiac | Ventura | Custom |
| 1974 | Pontiac | Ventura | GTO |
| 1975 | Pontiac | Ventura | S |
| 1975 - 1977 | Pontiac | Ventura | SJ |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.4 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Timeless Elegance & Exceptional Value – Lab Grown Perfection
Color: Yellow Gold, Size: 1 cttw
Rating: ⭐⭐⭐⭐⭐
As someone who values both aesthetic beauty and ethical sourcing, I am incredibly impressed with these Amazon Essentials Lab Grown Diamond Studs. While some might be hesitant about "Amazon jewelry," the quality of these earrings rivals high-end boutique pieces at a fraction of the cost.
Certified Brilliance
The fact that these are IGI Certified is a game-changer. It provides total peace of mind regarding the G-H color and VS1-VS2 clarity.
• Sparkle: The round cut is precise, offering incredible fire and light dispersion. They don't have that "glassy" look often found in lower-quality stones; they look like pure, high-end brilliance.
• Clarity: Under a jeweler's loupe, the stones are remarkably clean. To the naked eye, they are absolutely flawless.
Premium Materials & Ergonomics
The setting is just as important as the stone, and Amazon didn't cut corners here:
• 14k Gold Construction: The 14k gold is sturdy and polished to a high mirror finish. It’s hypoallergenic, which is essential for long-term daily wear.
• The 4-Prong Setting: This classic "basket" style is awesomely functional, holding the diamond securely while allowing maximum light to enter from the sides.
• Comfortable Fit: The posts are the perfect length—long enough to be secure but not so long that they poke you while sleeping or using a phone.
An Essential Wardrobe Staple
These earrings are a gorgeous addition to any collection. They are the definition of an absolutely essential tool for effortless style, whether for everyday wear or special occasions.
Final Verdict:
These earrings represent a perfect marriage of professional-grade certification and accessible luxury. They are functional, stunning, and ethically sound. If you want the look of a $2,000 pair of studs for a surgical price point, these are the ones to get.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
★★★★★ 5
Shine bright like a diamond 💎!!!
Color: Yellow Gold, Size: 0.25 cttw, Color: Yellow Gold, Size: 0.25 cttw
Absolutely stunning earrings! ✨ I am beyond happy with this purchase. The brilliance and sparkle are incredible—they catch the light beautifully and look just as radiant as (if not more than) traditional diamonds. The 0.25 are just the right size. The round cut and 4-prong setting really showcase the stones, giving them a classic, elegant look that works for both everyday wear and special occasions.
I also love that these are lab-grown diamonds. Being able to choose something that is both ethically and environmentally conscious makes them even more special to me. The quality is excellent—the clarity and color are exactly as described, and they truly look flawless to the eye.
They feel secure, well-made, and luxurious without the excessive price tag. If you’re looking for timeless, high-quality diamond studs with a modern, responsible touch, these are an amazing choice. So shiny, so bright—I couldn’t be happier!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Diamonds Are Always A Girl”s Best Friend!
Color: White Gold, Size: 0.25 cttw
Super cute, cost-effective and no irritation to my ear lobes! No one can tell the difference! Will be purchasing manufactured diamond earrings from now on!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Beautiful and nice!
Color: White Gold, Size: 0.25 cttw
I wear these every day! Very nice!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 5
Great purchase! Highly recommend!
Color: Yellow Gold, Size: 1 cttw
Love these earrings! They have beautiful brilliance and sparkle AND I feel the setting is relatively substantial. They have a screw on back and the back is not small and flimsy like some earring backs I have seen. I purchased the 1 carat pair and love them. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
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