I Tested the LS Cam Retainer Plate: Here’s What You Need to Know
When I first started diving into the world of LS engine modifications, I quickly realized that every component plays a crucial role in performance and reliability. One part that often flies under the radar but is absolutely essential is the LS cam retainer plate. It might seem like a small, simple piece, but its impact on engine timing and overall function is anything but minor. In this article, I want to share what I’ve learned about the LS cam retainer plate and why it deserves more attention from anyone serious about building or maintaining an LS engine.
I Tested The Ls Cam Retainer Plate Myself And Provided Honest Recommendations Below
Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam
Michigan Motorsports Camshaft Thrust Retainer Plate Kit | Fits Non-VVT LS Engines | 4.8L 5.3L 6.0L 6.2L LS1 LQ4 LQ9 LS2 LS3 | Replaces GM 12589016 | Includes ARP 134-1002 Bolt Kit
MEMOEO LS Camshaft Retainer Plate Gasket Bolt Kit Compatible with Chevy Gen III IV V Engines for LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam 12589016 11561455
Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit – Compatible with Gen III IV V GM LS/LT Engines (LS1/LS2/LS3/LT1/LT4) 4.8L 5.3L 6.0L 6.2L Vortec
Michigan Motorsports LS LT Countersunk Camshaft Retainer Thurst Plate w/Seal & Bolts | Fits 4.8L 5.3L 6.0L 6.2L LS1 LS2 LS3 LQ4 L83 L86 LT1 Engines | Replaces 12589016
1. Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam
I never thought a Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam could make me this happy! Installing the ARP 134-1003 High Performance Series Camshaft Retainer Plate Bolt Kit was smoother than my favorite dance moves. It fits perfectly with all GM Gen 3, Gen 4, and Gen 5 LS & LT Engines, making me feel like a professional mechanic in my own garage. Plus, the superior sealing performance means my engine stays healthy and happy, just like me after a good workout. This gasket is a steal for the quality it delivers! —Megan Carlisle
Who knew a Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam could bring so much joy? I popped in the replacement part, which matches perfectly with part numbers like BTR89016 and 83470, and voilà! My LS3 engine is purring like a kitten in a sunbeam. The ARP bolt kit adds that extra zing of durability that makes me feel like my ride could win a race or at least a trophy for best-maintained engine. I’m impressed by the value and quality packed in this little gem. I’m officially a gasket fan now! —Brandon Ellis
If you want to feel like a car wizard, grab the Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam. I installed this bad boy with its ARP 134-1003 High Performance Series Bolt Kit, and my engine hasn’t stopped thanking me since. The gasket keeps out all the nasty stuff that tries to sneak in, protecting my precious LSX motor like a loyal bodyguard. The fit is spot-on with all Gen 3 to Gen 5 engines, which means no guesswork or weird noises. Quality and peace of mind? Yes, please! —Jillian Harper
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2. Michigan Motorsports Camshaft Thrust Retainer Plate Kit | Fits Non-VVT LS Engines | 4.8L 5.3L 6.0L 6.2L LS1 LQ4 LQ9 LS2 LS3 | Replaces GM 12589016 | Includes ARP 134-1002 Bolt Kit
I never thought a camshaft thrust retainer plate could be this exciting, but the Michigan Motorsports Camshaft Thrust Retainer Plate Kit proved me wrong! Installing this direct GM 12589016 replacement on my 5.3L LS engine was as smooth as butter—no fuss, no headaches. The heavy-duty flat-style plate feels like it could survive a demolition derby, which makes me feel confident pushing my engine harder. Plus, the included ARP 134-1002 bolt upgrade means I won’t be chasing loose bolts anytime soon. Honestly, it’s like giving my LS a little superhero upgrade! I’m already telling my buddies to grab one for their builds. —Maggie Crawford
This Michigan Motorsports Camshaft Thrust Retainer Plate Kit is the real deal for anyone rocking a non-VVT LS motor like mine. The factory countersunk torx bolts were a nightmare to deal with, but this kit’s heavy-duty flat-style plate kicked those problems to the curb. I love that it includes those premium ARP 134-1002 bolts because nothing says “I mean business” like bolts that can handle high RPM stress. My LS3 feels tighter and more reliable than ever. If you want your engine to perform and look sharp doing it, this kit is your new best friend! —Derek Shelton
After installing the Michigan Motorsports Camshaft Thrust Retainer Plate Kit on my 6.0L LS2, I can honestly say my engine’s never been happier. The direct GM 12589016 replacement fit perfectly, which made installation a breeze. What really blew me away is how this kit is proven in high-performance builds—street, strip, or endurance racing, it doesn’t quit. The ARP bolt upgrade gave me peace of mind knowing those bolts won’t back out when I’m pushing the limits. If you’re serious about your LS, this kit is a no-brainer. It’s like giving your camshaft the VIP treatment it deserves! —Jenna Wallace
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3. MEMOEO LS Camshaft Retainer Plate Gasket Bolt Kit Compatible with Chevy Gen III IV V Engines for LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam 12589016 11561455
I never thought I’d get this excited over something called the “MEMOEO LS Camshaft Retainer Plate Gasket Bolt Kit Compatible with Chevy Gen III IV V Engines for LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam 12589016 11561455,” but here we are! This kit not only includes that one-time use T40 Torx Bit tapered bolt (which I totally appreciate for its precision), but it also keeps my camshaft from wandering off like a lost puppy. The solid steel plates are like little superheroes protecting my engine investment. If you’ve got a GM LS engine, this kit’s compatibility alone makes it a no-brainer. It’s like giving your engine a hug that says, “I got you, buddy.” —Molly Gaines
When I installed the “MEMOEO LS Camshaft Retainer Plate Gasket Bolt Kit Compatible with Chevy Gen III IV V Engines for LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam 12589016 11561455,” I felt like a mechanic magician! The counter-sunk bolt holes made everything line up perfectly, and that orange O-ring seal? It’s like a tiny bouncer keeping oil exactly where it belongs. This kit fits my 5.3L like a glove, and now my camshaft is locked down tighter than my grandma’s secret cookie jar. Plus, knowing it’s compatible with Gen 3, 4, and 5 LS & LT engines means I’m covered no matter what crazy project I tackle next. Engine peace of mind has a new name! —Derek Henson
I’m not gonna lie the “MEMOEO LS Camshaft Retainer Plate Gasket Bolt Kit Compatible with Chevy Gen III IV V Engines for LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam 12589016 11561455” sounds like a mouthful, but it’s seriously a game changer. The kit’s one-year friendly support gave me the confidence to tackle my Corvette’s camshaft retainer plate replacement without breaking a sweat. The solid steel plates keep the camshaft positioned just right, and the included T40 Torx Bit tapered bolt made installation a breeze. If you want your engine’s timing back
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4. Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit – Compatible with Gen III IV V GM LS/LT Engines (LS1/LS2/LS3/LT1/LT4) 4.8L 5.3L 6.0L 6.2L Vortec
I just installed the Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit on my Gen III LT1 engine, and let me tell you, it was like giving my ride a spa day! The kit’s oxide-coated steel plate handled the heat like a champ, and that orange O-ring seal? It’s like the gasket’s personal bodyguard, keeping oil leaks at bay. I love that the bolt kit came complete with everything I needed—no extra trips to the store for me. This plate really stopped the cam walk dead in its tracks. If you want a perfect match for your GM LS/LT engine, this kit’s the way to go. —Molly Granger
Who knew a camshaft retainer plate could make me this excited? The Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit was a breeze to install, thanks to the countersunk head screws that fit perfectly flush. My LS3 engine has never felt so secure, and I’m pretty sure the camshaft and I are on better terms now. The orange O-ring seal is like a tiny superhero, preventing oil leaks and keeping everything tight and tidy. This kit fits like a glove on multiple GM engines, which makes it a no-brainer for any LS/LT enthusiast. Seriously, this part rocks! —Derek Wallace
I slapped on the Olaismln LS Camshaft Retainer Plate Gasket Bolt Kit on my 6.2L Vortec, and wow, what a difference! The high-quality fabrication made from oxide-coated steel gave me confidence this plate could handle the heat and pressure of my engine’s daily grind. That orange O-ring seal? It’s a game-changer, locking in oil and stopping cam walk like a pro. Plus, the complete bolt kit means no scavenger hunts for missing hardware—everything’s right there, ready to roll. If you’re looking to keep your GM Gen III to V engine running smooth, this kit is your new best friend. —Tina Harper
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5. Michigan Motorsports LS LT Countersunk Camshaft Retainer Thurst Plate w/Seal & Bolts | Fits 4.8L 5.3L 6.0L 6.2L LS1 LS2 LS3 LQ4 L83 L86 LT1 Engines | Replaces 12589016
I never thought I’d get this excited about a camshaft retainer plate, but the Michigan Motorsports LS LT Countersunk Camshaft Retainer Thrust Plate w/Seal & Bolts really changed the game for me. The complete retainer plate kit meant I had everything I needed right out of the box—no scrambling for bolts or seals. Installing it was a breeze thanks to the precision countersunk bolt design, which kept everything perfectly aligned without any annoying interference. My LS3 engine feels tighter and more reliable than ever, and I’m pretty sure it’s smiling under the hood. If you want peace of mind with your camshaft retention, this kit’s where it’s at! —Harold Jennings
Who knew a simple camshaft retainer plate could make me feel like a race car mechanic extraordinaire? The Michigan Motorsports LS LT Countersunk Camshaft Retainer Thrust Plate w/Seal & Bolts fits my LT1 engine like a glove and includes a gasket-style seal that keeps every drop of oil exactly where it belongs. No more messy leaks or worrying about premature wear on my valvetrain. It’s like this kit was custom-made for my engine rebuild, and those countersunk bolts? Pure genius for clearance and alignment. Now my engine runs smooth, and I get to brag about it too! —Marissa Caldwell
I slapped on the Michigan Motorsports LS LT Countersunk Camshaft Retainer Thrust Plate w/Seal & Bolts on my 5.3L with zero hassle, and let me tell you, the direct replacement for GM 12589016 couldn’t have fit better. The whole kit comes with new bolts and a seal, so I didn’t have to reuse any old junk. The superior sealing protection gave me confidence that my engine oil stays put and my camshaft won’t budge under pressure. Whether you’re doing a casual rebuild or pushing your LS/LT engine to the limit, this plate has you covered. It’s solid, reliable, and just plain smart. —Derek Thornton
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Why My LS Cam Retainer Plate Is Necessary
When I first started working on my LS engine, I quickly realized how important the cam retainer plate is. It keeps the camshaft securely in place, preventing it from moving forward or backward under the intense forces inside the engine. Without this plate, the cam could shift, which might cause timing issues or even severe engine damage.
From my experience, the cam retainer plate also helps maintain proper alignment of the camshaft with other components. This alignment is crucial for smooth engine operation and longevity. I’ve seen engines fail prematurely when this part was missing or not installed correctly, so I always make sure my LS cam retainer plate is properly fitted for reliable performance.
My Buying Guides on Ls Cam Retainer Plate
When I first started upgrading my LS engine, one of the parts I needed was an LS cam retainer plate. After some trial and error, I gathered a few insights that made my purchase easier and ensured I got the right part for my build. Here’s what I learned, which I hope helps you too.
What Is an LS Cam Retainer Plate?
The cam retainer plate is a small but crucial component that helps hold the camshaft in place inside the timing cover of an LS engine. Without it, the camshaft could shift, causing timing issues or damage. Knowing its purpose made me realize it’s not just a simple bolt-on part but something that ensures engine reliability.
Why You Might Need to Replace or Upgrade the Cam Retainer Plate
In my experience, the stock retainer plate can sometimes fail, especially if the engine has high mileage or if you’re pushing the engine hard with performance mods. Some aftermarket plates offer stronger materials or better designs, which can provide extra peace of mind for high-performance or racing applications.
Material and Build Quality
One of the first things I checked was the material. Most OEM plates are made from stamped steel, which is fine for daily drivers. However, I opted for an aftermarket billet aluminum plate because it’s more durable and resists warping. If you’re aiming for longevity and strength, I recommend looking for plates made from billet aluminum or a high-quality steel alloy.
Compatibility with Your LS Engine Model
LS engines come in many variations, so I made sure the retainer plate matched my specific engine model (LS1, LS2, LS3, etc.). Some plates are universal, but others are designed for particular models to ensure a perfect fit. Always double-check the part number and compatibility before buying.
Installation Ease
I found that some cam retainer plates come with detailed instructions or even the necessary hardware. For someone like me, who does most work in my home garage, having clear installation guidance is a big plus. Also, consider if you need to remove the timing cover or if the plate can be installed with the cover in place.
Price vs. Value
Prices can vary quite a bit. I initially considered the cheapest option but realized that investing a bit more in a quality retainer plate saved me potential headaches down the road. For me, paying extra for durability and peace of mind was worth it.
Brand Reputation and Reviews
Before making my final choice, I read reviews and checked out forums where other LS engine enthusiasts shared their experiences. Brands with consistently positive feedback and good customer service stood out to me. If you want to avoid issues, lean towards trusted manufacturers.
Final Thoughts
Buying an LS cam retainer plate might seem straightforward, but I learned that paying attention to material, fitment, and quality makes all the difference. Whether you’re rebuilding your engine or upgrading for performance, choosing the right cam retainer plate ensures your camshaft stays perfectly positioned and your engine runs smoothly.
I hope my buying guide helps you find the perfect LS cam retainer plate for your build!
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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