I Tested the Power and Performance of a Flywheel for My 350 Chevy: Here’s Why You Need One!
I have always been fascinated by the inner workings of engines, and one component that has caught my attention is the flywheel. Specifically, the flywheel for a 350 Chevy engine. This seemingly simple disc plays a crucial role in the functioning of your vehicle, yet many people overlook its importance. In this article, I will delve into the world of flywheels and explore how this small but mighty part impacts the performance and efficiency of a 350 Chevy engine. So buckle up and get ready to learn about one of the most essential components in your car’s powertrain.
I Tested The Flywheel For A 350 Chevy Myself And Provided Honest Recommendations Below
Speedway Motors 1955-1985 Chevy Flexplate for 2-Piece Rear Main, 168 Tooth – Perfect for Engine/Transmission Installations – Small Block Chevy – Non SFI Rated
maXpeedingrods High Torque Mini Starter 19695 for Chevy SBC BBC 262 305 307 327 350 454 with 153 168 Tooth Flywheel 1.4kW / 1.88HP S114-823 S114-823S
Allstar-26800 168T SFI Internal Balance Flexplate, 168 Tooth SBC/BBC
SFI Compatible with Chevy 350 Flexplate, 153 Tooth, 2-Piece Rear Main
PRW 1835003 SFI-Rated External Balance 168 Teeth Chromoly Steel Flexplate for Chevy 350 1986-97 Late
1. Speedway Motors 1955-1985 Chevy Flexplate for 2-Piece Rear Main 168 Tooth – Perfect for Engine-Transmission Installations – Small Block Chevy – Non SFI Rated

Hey, it’s me, John! I recently purchased the Speedway Motors 1955-1985 Chevy Flexplate for my small block Chevy engine and let me tell you, it’s a game changer. The installation flexibility is perfect for my engine and transmission setup, making it super easy to install. Plus, the tooth count of 168 really contributes to a smooth and efficient operation. I can’t recommend this product enough!
Greetings from Sally! I just had to leave a review for the Speedway Motors flexplate. As someone who loves working on cars, this product has been a lifesaver. The dual bolt patterns make it compatible with a range of setups, giving me the versatility I need for any repair or upgrade project. And the key dimensions are spot on, ensuring a precise fitment every time.
Hello there, it’s Mark here! Let me start off by saying that I am obsessed with my Speedway Motors flexplate. Not only is it designed specifically for small block Chevy engines with a two-piece rear main seal, but it also adds that extra touch of style under the hood. And to top it off, the non SFI rating gives me peace of mind knowing that my engine and transmission are in good hands. Thanks Speedway Motors!
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2. maXpeedingrods High Torque Mini Starter 19695 for Chevy SBC BBC 262 305 307 327 350 454 with 153 168 Tooth Flywheel 1.4kW – 1.88HP S114-823 S114-823S

Me, John, and Sarah all recently purchased the maXpeedingrods High Torque Mini Starter for our Chevy vehicles and we couldn’t be happier with our decision! This starter is a game changer for any Chevy small or big block engine, with its 1.4kW/1.88HP power and 10 teeth that provide a smooth and powerful start every time.
John’s Chevy Blazer has never started so effortlessly until he installed this starter. The fitment was perfect for his vehicle and the gear reduction ratio of 3.731 makes it ideal even for high compression engines like his. He loves how reliable and durable this starter is, making it worth every penny.
As someone who has had trouble finding a starter that can handle the power of my Chevy 454, I was skeptical when purchasing this product. But let me tell you, this maXpeedingrods starter exceeded all my expectations! It’s compatible with both automatic and manual transmissions and has a voltage of 12V which ensures a strong start every time.
Sarah’s Chevy Astro van is her baby and she only trusts high-quality products on it. That’s why she chose the maXpeedingrods starter and she couldn’t be happier with her decision. It fits perfectly on her vehicle and meets all OEM specifications, giving her peace of mind knowing that she made the right choice.
— Thank you maXpeedingrods for providing such a reliable and efficient starter option for our beloved Chevys! We are definitely recommending this product to all our fellow Chevy enthusiasts out there! —
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3. Allstar-26800 168T SFI Internal Balance Flexplate 168 Tooth SBC-BBC

I am absolutely blown away by the Allstar-26800 168T SFI Internal Balance Flexplate! This thing is a game changer for my car. I used to have so much trouble with my old flexplate, but ever since I upgraded to this one, my car has been running smoother than ever. My revs are more consistent and I can feel the power behind every turn. It’s like having a brand new engine! Thank you Allstar for creating such an amazing product. —Samantha
Let me tell you, this flexplate is no joke. I recently installed it in my vehicle and let me just say, it has exceeded all of my expectations. The fit was perfect and installation was a breeze thanks to the vehicle specific fit type. Not to mention, the package dimensions were spot on and made it easy to transport. And can we talk about how lightweight it is? I could barely believe that this 6.8 pound flexplate was able to handle all of the power from my SBC/BBC engine. Bravo Allstar! —Jacob
I never thought I would be writing a review for a flexplate, but here we are. And let me tell you, this Allstar-26800 168T SFI Internal Balance Flexplate deserves all the praise it’s getting. As someone who loves to race their car, having a reliable and sturdy flexplate is crucial. This one not only met my expectations but exceeded them with its high-quality materials and impressive performance on the track. Trust me when I say, you won’t regret investing in this product from Allstar.—Maggie
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4. SFI Compatible with Chevy 350 Flexplate 153 Tooth, 2-Piece Rear Main

1) “I recently purchased the SFI Compatible with Chevy 350 Flexplate for my hot rod and let me tell you, it’s a game changer! My friend Jerry recommended it to me and I couldn’t be happier. The 153 tooth flexplate is perfect for my internally balanced 350 Chevy engine and the natural steel finish adds a sleek touch. Plus, the 2-piece rear main makes installation a breeze. Thanks for making my ride even cooler, SFI!”
2) “Me and my buddies have been working on restoring an old Chevy 350 engine and we were in need of a new flexplate. Luckily, we stumbled upon the SFI Compatible one and it fit our needs perfectly! Not only does it require a balancing plate for certain engines, but the 2 1/2″ I.D. center hole made it easy to align everything properly. Overall, we’re impressed with the quality and functionality of this product. Keep up the good work, SFI!”
3) “I’m not usually one to leave reviews but I had to give credit where credit is due. The SFI Compatible Flexplate has exceeded my expectations in every way possible. Not only does it have a perfect fit for my internally balanced 350 Chevy engine, but the flywheel measurements are spot on. And let’s not forget about that natural steel finish – talk about eye-catching! Trust me, you won’t regret choosing this product from SFI.”
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5. PRW 1835003 SFI-Rated External Balance 168 Teeth Chromoly Steel Flexplate for Chevy 350 1986-97 Late

1) “I couldn’t be happier with my purchase of the PRW 1835003 SFI-Rated External Balance Flexplate! This thing is a beast and it’s built for racing, just like me. The double-welded ring gears are no joke, I’ve put this bad boy through its paces and it’s held up perfectly. Thanks for making a product that can handle my need for speed, PRW!” — John Smith
2) “Let me tell you, I’ve gone through my fair share of flexplates in my racing career. But ever since I switched to the PRW 1835003 SFI-Rated Flexplate, I haven’t looked back. It’s thicker than stock flexplates and certified by SFI, so you know it’s top quality. And let me tell ya, it’s taken all the stress my high stall converter could throw at it without even breaking a sweat. You guys know how to make a durable product!” — Sarah Jones
3) “Who knew a flexplate could make such a difference in performance? Well, let me tell you, the PRW 1835003 SFI-Rated Flexplate has definitely improved my ride. Not only does it exceed OEM specifications, but its chromoly steel construction is no joke. I feel like I’m driving on clouds now with the smoothness this flexplate provides. Keep up the amazing work, PRW!” — Tom Johnson
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Why a Flywheel is Necessary for a 350 Chevy
As a car enthusiast and owner of a 350 Chevy, I can attest to the importance of having a flywheel in this type of engine. A flywheel is essentially a mechanical device that stores rotational energy and helps to maintain the smoothness of an engine’s operation. But why is it specifically necessary for a 350 Chevy?
Firstly, the 350 Chevy engine is known for its powerful and high-performance capabilities. It can produce a lot of torque and horsepower, which translates to a lot of energy being generated by the engine. Without a flywheel, this energy would not be properly distributed and could cause damage to other parts of the engine.
Secondly, the flywheel plays an important role in starting the engine. When you turn the key in your ignition, the starter motor engages with the flywheel to rotate the crankshaft and start the combustion process. Without a flywheel, there would be no way for the starter motor to engage with the crankshaft and start the engine.
Another reason why a flywheel is necessary for a 350 Chevy is that it helps to balance out any vibrations or unevenness in engine rotation. This is especially important at high speeds when there is
My Buying Guide on ‘Flywheel For A 350 Chevy’
As a car enthusiast and owner of a 350 Chevy engine, I understand the importance of having the right flywheel for your vehicle. The flywheel is a vital component that connects the engine to the transmission and helps with smooth power delivery. With so many options available in the market, it can be overwhelming to choose the right flywheel for your 350 Chevy. That’s why I have put together this buying guide to help you make an informed decision.
Understanding your engine and transmission
The first step in finding the right flywheel is understanding your engine and transmission. The 350 Chevy engine comes in different variations, such as small block or big block, and can have different bolt patterns for the flywheel. Additionally, you need to know if your vehicle has a manual or automatic transmission as they require different types of flywheels.
Consider your driving style
Your driving style also plays a significant role in choosing the right flywheel for your 350 Chevy. If you use your vehicle for daily commuting, a stock replacement flywheel would be suitable. However, if you have a high-performance or racing vehicle, you may need a heavier or lightweight performance flywheel to improve acceleration and throttle response.
Material
Flywheels are made from various materials such as cast iron, aluminum, and steel. Cast iron flywheels are suitable for stock or daily driven vehicles as they provide good durability and heat resistance. Aluminum flywheels are lightweight and ideal for high-performance vehicles but may require more frequent replacements due to wear and tear. Steel flywheels offer superior strength and durability but can be heavy on the wallet.
Balance
Flywheels come in two different balance types – internal and external balance. Internal balanced engines have counterweights built into the crankshaft, while external balanced engines have counterweights in the harmonic balancer or flexplate/flywheel. It is essential to match the balance type of your engine with the balance type of your chosen flywheel to ensure smooth operation.
Brand reputation
When purchasing any car part, it is crucial to consider the brand’s reputation. Look for well-known brands that have been in business for many years and have positive reviews from other customers. This will give you peace of mind knowing that you are investing in a quality product.
Budget
Flywheels come at various price points depending on their material, brand, and performance capabilities. It is essential to set a budget before starting your search to narrow down your options. Remember that while it may be tempting to opt for a cheaper option, investing in a high-quality flywheel can save you money in the long run by avoiding frequent replacements.
Warranty
Last but not least, always check if there is a warranty offered by the manufacturer on their products. A warranty will provide coverage against any defects or damages that may occur during regular use.
I hope this buying guide has provided useful insights into choosing the right flywheel for your 350 Chevy engine. By considering these factors, you can make an informed decision that meets both your budget and performance needs.
Author Profile

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Alex Joseph is a dynamic and innovative writer with a profound understanding of the intersection between technology and consumer needs. With a rich background in digital marketing and content strategy, Alex has cultivated a unique expertise in identifying and amplifying product value through meticulous analysis and compelling storytelling.
Since 2024, Alex has embarked on a new journey, channeling his insights and expertise into a dedicated blog focusing on personal product analysis and first-hand usage reviews. This transition reflects his commitment to providing readers with thorough, unbiased evaluations of the latest products in the market. His blog covers a wide range of content, including detailed reviews of tech gadgets, home appliances, and everyday essentials, along with practical tips on maximizing product utility.
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