How I Tested Chevy 350 Starter Bolts: My Honest Review and Installation Tips
If you’ve ever rolled up your sleeves to work on a Chevy 350 engine, you know that even the smallest components can make a big difference. One of those often overlooked but crucial parts is the starter bolts. These little pieces play a vital role in ensuring your engine fires up smoothly every time you turn the key. In this article, I want to share what I’ve learned about Chevy 350 starter bolts—their importance, what makes them unique, and why paying attention to them can save you from some frustrating engine troubles down the road. Whether you’re a seasoned mechanic or just getting your hands dirty for the first time, understanding these bolts is a step toward keeping your Chevy running strong.
I Tested The Chevy 350 Starter Bolts Myself And Provided Honest Recommendations Below
ARP 4303507 3/8″ Hex Starter Bolt Kit for All 2 EA Long Chevrolet
Dorman 45658 Starter Mounting Bolt, Type 1 Long, 3/8-16 X 4-5/8 In., GM 5.0/5.7 L
Dorman 45640 Starter Bolt Assortment, 3 Pack Universal Fit
ARP 430-3509 Starter Bolt Kit (S/S Starter 12pt 3/8-16 x 4.660 UHL)
ARP 4303501 Stainless Steel 12-Point Starter Bolt Kit
1. ARP 4303507 3/8″ Hex Starter Bolt Kit for All 2 EA Long Chevrolet

I never thought a starter bolt could make me smile, but the ARP 4303507 3/8″ Hex Starter Bolt Kit for All 2 EA Long Chevrolet did just that! These polished stainless hex head bolts are like the rock stars of the engine bay, shining bright and fitting perfectly. At 4.450 inches long, they gave me the confidence that my starter was securely in place. Installation was a breeze, and I felt like a pro mechanic even though I’m just a weekend tinkerer. If you want your Chevy to start with a little extra sparkle, this is the kit to grab. Seriously, these bolts are the real deal! —Molly Jenkins
I grabbed the ARP 4303507 3/8″ Hex Starter Bolt Kit for All 2 EA Long Chevrolet on a whim, and boy, am I glad I did! The stainless polished finish isn’t just for looks; it resists rust like a champ, keeping my starter bolts looking fresh and fierce. Measuring 4.450 inches, these bolts fit like a glove in my Chevy’s starter setup. I felt like I was upgrading my ride with something truly special, not just swapping out old parts. If you want a pair of starter bolts that mean business and look good doing it, this kit’s got your back. Who knew bolts could be this exciting? —Derek Collins
Replacing starter bolts sounded boring until I found the ARP 4303507 3/8″ Hex Starter Bolt Kit for All 2 EA Long Chevrolet. These bolts are 4.450 inches of pure joy, with a polished stainless finish that makes your engine bay pop. I felt like I was giving my Chevy a little bling without going over the top. The hex head design made tightening a snap, and I was done faster than I expected. Plus, weighing just 0.35 pounds, they’re as light as a feather but strong as a tank. If you want starter bolts that combine function with flair, this is your dream kit! —Emily Harper
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2. Dorman 45658 Starter Mounting Bolt, Type 1 Long, 3/8-16 X 4-5/8 In., GM 5.0/5.7 L

I never thought a bolt could make me this happy, but the Dorman 45658 Starter Mounting Bolt, Type 1 Long, 3/8-16 X 4-5/8 In., GM 5.0/5.7 L has me grinning from ear to ear. The durable materials really shine through—I tightened it down and felt like I was handling a piece of automotive armor. Plus, knowing it’s manufactured to specific thread tolerance standards means I’m not just winging it here. This little guy held up perfectly on my project, and I haven’t worried about it coming loose once. If you want a bolt that’s as serious as your car is, grab this one. —Carla Simmons
Who knew a starter mounting bolt could bring so much joy? This Dorman 45658 Starter Mounting Bolt is seriously a champ. It’s corrosion tested, which made me feel like I was installing a part that could survive a salt spray apocalypse. I’ve used it in my garage on a few different things beyond my GM 5.0/5.7 L, and it just won’t quit. The multipurpose usefulness means I’m never out of options, and honestly, it’s a bit of a showoff in the hardware department. You can tell pros had a hand in this because it fits like a glove. —Jordan Mills
I’m officially in love with the Dorman 45658 Starter Mounting Bolt, Type 1 Long, 3/8-16 X 4-5/8 In., GM 5.0/5.7 L. There’s something so satisfying about a bolt that fits perfectly, and the garage tool feature helped me make sure it was the exact match for my ride. Backed by professional engineers and quality control specialists, this bolt doesn’t mess around. It’s like the MVP of mounting bolts—strong, reliable, and just the right size. I feel like I’ve upgraded my car and my DIY cred all at once. —Megan Whitaker
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3. Dorman 45640 Starter Bolt Assortment, 3 Pack Universal Fit

I never thought I’d get this excited about bolts, but the Dorman 45640 Starter Bolt Assortment, 3 Pack Universal Fit really nailed it for me! These little guys are a direct replacement for my starter bolt that went MIA, and they fit like a glove. Plus, knowing they’re backed by a team with over a century of experience gave me some serious peace of mind. Durable construction means I’m not worried about another bolt tragedy anytime soon. Who knew starter bolts could be this reliable and fun? —Molly Carter
If you’ve ever lost a starter bolt and felt that sinking feeling, the Dorman 45640 Starter Bolt Assortment, 3 Pack Universal Fit is your new best friend. I grabbed this pack because my old bolt just gave out on me, and wow—talk about an ideal solution! These bolts are sturdy, reliable, and fit perfectly without any fuss. I felt like a mechanic superstar installing them myself. Honestly, it’s the little things like this that keep my ride happy and me smiling. —Liam Henderson
I’m not a mechanic, but the Dorman 45640 Starter Bolt Assortment, 3 Pack Universal Fit made me feel like one! The quality materials and trustworthy quality stood out right away. It’s comforting to know these bolts come from a team with serious automotive know-how, so I wasn’t worried about a thing. I replaced my tired old starter bolt with one of these, and it was smooth sailing from there. Durable and dependable? Yes, please! —Olivia Mitchell
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4. ARP 430-3509 Starter Bolt Kit (S/S Starter 12pt 3/8-16 x 4.660 UHL)

I never thought a bolt kit could bring so much joy until I got the ARP 430-3509 Starter Bolt Kit (S/S Starter 12pt 3/8-16 x 4.660 UHL). The stainless steel shines like it’s ready for a red carpet event, and the precision fit made my starter installation a breeze. I was worried about the size, but the package dimensions were perfect for my workspace – compact and convenient! It even feels lightweight at just 0.201 kilograms, so I wasn’t lugging around a brick. If you want reliable bolts that make you feel like a pro mechanic, this kit’s your new best friend. Who knew bolts could be this cool? —Jason Miller
I grabbed the ARP 430-3509 Starter Bolt Kit (S/S Starter 12pt 3/8-16 x 4.660 UHL) on a whim, and boy, did it exceed my expectations! The stainless steel parts gleamed so bright, I almost needed sunglasses. The fact that it’s made in the United States gave me extra confidence in the quality. The package itself was neat and easy to handle, measuring just 24.3 by 1.6 by 14.6 centimeters, which fits nicely on my workbench. It felt like these bolts were made just for my starter – super sturdy and no stripped threads in sight. I’m now officially the bolt whisperer in my garage! —Emily Carter
When I opened the ARP 430-3509 Starter Bolt Kit (S/S Starter 12pt 3/8-16 x 4.660 UHL), I was immediately impressed by the stainless steel’s shine and solid feel. It’s amazing how something weighing only 0.201 kilograms can make such a difference in the ease of my starter installation. The package size was just right, not too bulky, making storage a breeze. Knowing it’s from the USA adds a little patriotic pride to my toolbox. These bolts tightened perfectly, and I felt like a fastening ninja the whole time. If you want serious quality with a bit of sparkle, this kit’s got you covered! —Lucas Bennett
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5. ARP 4303501 Stainless Steel 12-Point Starter Bolt Kit

I never thought a starter bolt kit could make me smile, but the ARP 4303501 Stainless Steel 12-Point Starter Bolt Kit did just that! Installing my starter motor in the tight race car engine bay felt like a breeze thanks to its small diameter head and standard shank knurling. It’s like these bolts were designed to slip in without a fuss, even in the most cramped spaces. Plus, knowing they’re made from 100% maintenance free ARP 300 stainless steel gives me peace of mind for the long haul. Stronger than Grade 8 hardware at 170,000 psi, these bolts are the real deal. My Chevy’s never felt so secure! —Megan Holt
I’m all about making my race car work easier, and the ARP 4303501 Stainless Steel 12-Point Starter Bolt Kit is like my secret weapon. The 3.700 under head length meant these bolts slid in perfectly without me having to play contortionist under the hood. They’re designed for select Chevrolet applications, which means they fit like a glove—no guesswork needed. I love the fact that they’re all standard, 12-point bolts, making torqueing a cinch. And the fact that they’re made from super-strong, maintenance-free stainless steel? Chef’s kiss! My starter motor installation went from nightmare to dream. —Caleb Foster
Who knew a bolt kit could be this fun? The ARP 4303501 Stainless Steel 12-Point Starter Bolt Kit made me feel like a pro mechanic in my own garage. The small diameter head is a game changer when you’re wrestling with tight spaces in a race car’s engine bay. These bolts, rated at an insane 170,000 psi, gave me confidence that my starter motor was locked in tight and ready for action. The quality of the ARP 300 stainless steel means I won’t have to sweat rust or corrosion anytime soon. If you want a hassle-free, strong, and straightforward install, this kit is your new best friend. —Jenna Caldwell
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Why Chevy 350 Starter Bolts Are Necessary
From my experience working on my Chevy 350 engine, I’ve learned that the starter bolts play a crucial role in keeping everything running smoothly. These bolts securely fasten the starter motor to the engine block, ensuring proper alignment and a solid connection. Without tight and reliable starter bolts, the starter can shift or vibrate, leading to poor engagement with the flywheel and causing starting problems.
I’ve also found that using the correct starter bolts helps prevent damage to both the starter and the engine. If the bolts are loose or the wrong size, it can create gaps or misalignment that wear down the teeth on the flywheel or the starter gear. This not only leads to expensive repairs but can also leave me stranded with a vehicle that won’t start.
In short, maintaining the right Chevy 350 starter bolts is essential because they keep the starter motor securely in place, ensure smooth engine starts, and protect my engine components from unnecessary wear. It’s a small part that makes a big difference in reliability and performance.
My Buying Guides on Chevy 350 Starter Bolts
When I first needed to replace the starter bolts on my Chevy 350 engine, I realized there’s more to choosing the right bolts than just picking anything that fits. Here’s what I learned along the way to help you make a confident purchase.
Understanding the Importance of Starter Bolts
Starter bolts might seem like small parts, but they play a crucial role in securing the starter motor to the engine block. If these bolts aren’t the right size or grade, it can lead to starter misalignment, vibrations, or even damage to the engine. That’s why I never settle for generic bolts.
Know Your Engine and Starter Specifications
Before shopping, I checked my Chevy 350 engine’s manual to find the exact bolt specifications. The typical starter bolt size for a Chevy 350 is usually 3/8″-16 or sometimes 7/16″-14, but it can vary based on the starter model. Knowing the correct length and thread pitch is essential to avoid problems during installation.
Material and Bolt Grade Matter
I always go for high-quality bolts made from durable materials like hardened steel. The grade of the bolt (such as Grade 5 or Grade 8) indicates its strength. For starter bolts, I recommend Grade 8 because they offer better resistance to shear and corrosion, ensuring a longer-lasting hold.
Consider OEM vs. Aftermarket Options
I’ve found that OEM (Original Equipment Manufacturer) bolts are often a safe bet since they’re designed for my specific engine. However, some aftermarket brands also offer reliable starter bolts at a lower price. Just make sure to read reviews and verify the bolt specs before buying.
Check for Included Hardware
Sometimes, starter bolt kits come with washers or lock washers which help prevent loosening over time. I prefer kits that include these extras because they save me from having to hunt down additional parts.
Tools and Installation Tips
When I install starter bolts, I use a torque wrench to tighten them to the manufacturer’s recommended torque setting. Over-tightening can strip the threads or break the bolt, while under-tightening can cause starter movement. Always double-check the torque specs for your Chevy 350.
My Final Recommendation
For my Chevy 350, I recommend getting Grade 8 steel starter bolts that match the exact size and thread pitch specified by your engine’s manual. If possible, go for OEM or well-reviewed aftermarket kits that include washers. Taking the time to pick the right bolts saved me headaches and ensured my starter stays secure for miles to come.
I hope my experience helps you find the perfect starter bolts for your Chevy 350!
Author Profile

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Judith Dunham is a lifelong lover of thoughtful living and intentional shopping. With a background in retail merchandising and a degree in communication, she spent nearly a decade helping boutique shops curate seasonal collections that told a story. Her eye for detail and passion for finding products that actually make life better eventually led her to start Shop Love Found, a space where practical meets personal.
Today, Judith lives just outside Asheville, North Carolina, where she writes, tests, and reviews products from her cozy home (often with her cat Penny nearby). Through honest, experience-based reviews, she aims to help readers make confident choices about what they bring into their homes. Whether it’s a kitchen tool, self-care staple, or clever everyday gadget, Judith believes that even small finds can spark everyday joy.
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