Looking for the best flexplates? Discover SFI-certified options designed for unmatched durability, precision, and smooth performance—all built for easy installs and long-lasting reliability.
Your vehicle’s power and reliability start with the right flexplate. We’ve tested the top picks to deliver precision, durability, and smooth performance for every build.
SFI-certified strength, race-ready builds, and flawless fit define these flexplates. Easy installs, premium materials, and engineered to last set them apart. Ready to upgrade? Dive in and find your perfect match.
List of Top 10 Flexplates
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ATP Automotive Z-270 Automatic Transmission Flywheel Flex-Plate |
This ATP Automotive Z-270 Flex-Plate is perfect for drivers who need a reliable replacement for their automatic transmission. It’s balanced to factory specs and fits like the original, so it restores normal operation easily. |
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Allstar Performance Flexplate, 168 Tooth, SFI 29.1, Steel, Internal Balance, 2-Piece Seal, compatible with Chevy V8, Each |
This Allstar Performance Flexplate is perfect for Chevy V8 owners who want a strong, reliable part. It fits your vehicle exactly and is made in the United States. If you want durability and a perfect match for your engine, this is for you. |
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PRW 1835001 SFI-Rated Internal Balance 168 Teeth Chromoly Steel Flexplate for Chevy 1957-85, 90 Early, V6, Gold Irridate |
This PRW 1835001 flexplate is perfect for serious racers and high-performance Chevy owners needing heavy-duty reliability. Its SFI 29.1 certification, thicker design, and double-welded ring gears ensure it handles extreme torque and high RPMs without failure. |
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RANSOTO LS V8 Flexplate Heavy Duty Compatible with 1997-2007 GM Gen III LS1,LS2, LS6, 4.8L, 5.3L 6.0L adapt to TH350, TH400, 700R4, 200-4R, 4L60 LS Flywheel |
This product is perfect for truck owners or hot rod builders needing a heavy-duty flexplate for GM Gen III LS engines. It’s SFI29.1-certified, fits 10.75″ or 11.06″ torque converters, and works with 4.8L–6.0L engines paired to TH350, 700R4, or 4L60 transmissions. |
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Michigan Motorsports LS Flexplate | 6-Bolt Dished SFI 29.1 Rated Flexplate | Quick-Rev Black Design | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | TH350 TH400 700R4 4L60 4L80 6L80 Compatible |
This flexplate is perfect for LS engine builders, racers, and car enthusiasts needing a durable, SFI-certified part for high-performance engines. It works with popular GM transmissions, offers quick rev response, and handles tough conditions with its rugged black finish. |
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Hays 10-030 Steel SFI Certified Flexplate |
This flexplate is perfect for Chevy V8 engine builders and performance enthusiasts needing a strong, certified part. It works with 4L60E or TH350 transmissions and has a 168 tooth ring gear for reliable power transfer. The SFI 29.1 certification ensures safety and durability under stress. |
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ATP Automotive Z-111 Automatic Transmission Flywheel Flex-Plate |
This ATP Automotive Z-111 Flex-Plate is perfect for car owners who need a reliable replacement for their automatic transmission. It’s vehicle-specific and balanced to factory specs, making it ideal for smooth performance. |
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ATP Automotive Z-271 Automatic Transmission Flywheel Flex-Plate |
This product is perfect for vehicle owners needing a reliable transmission replacement. It offers a Vehicle Specific fit and meets OEM material and dimension specs for trusted performance. |
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Dirty Dingo LS Conversion Flexplate with Bolts |
This flexplate is perfect for car builders or DIY mechanics swapping to an LS engine. It includes ARP Bolts for strength, fits 11 1/2″ torque converters, and has a Crank Spacer for proper alignment. These parts make LS conversions easier and more reliable. |
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Adapter Flywheel Flexplate Compatible with LS1/LS2/LS6/4.8/5.3/6.0, Gen III LS engines, for TH350/700R4/2004R/4L60/Powerglide transmissions |
This adapter flexplate is perfect for car enthusiasts and mechanics looking to upgrade or convert GM Gen III LS engines with transmissions like TH350, 700R4, or Powerglide. It is also great for those who want to save money by using their factory LS starter while getting a strong, durable, and certified flexplate. |
Detailed Reviews
Our top picks blend expert analysis and real-world testing to ensure perfect fit and unmatched durability. Each flexplate is SFI-certified, built from heavy-duty steel or chromoly, and engineered for precise compatibility with GM LS engines and classic Chevy V8s. From race-ready designs to budget-friendly upgrades, find the ideal flexplate to boost performance, reliability, and peace of mind.
1. ATP Automotive Z-270 Automatic Transmission Flywheel Flex-Plate
The ATP Automotive Z-270 Flex-Plate is a reliable replacement for your automatic transmission. It’s balanced to factory specs, ensuring smooth performance.
This vehicle-specific part fits and works like the original equipment. It restores normal operation to your transmission system.
Easy to install, durable, and trusted. A smart choice for your vehicle.
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Perfect For:
This ATP Automotive Z-270 Flex-Plate is perfect for drivers who need a reliable replacement for their automatic transmission. It’s balanced to factory specs and fits like the original, so it restores normal operation easily.
Ready to Purchase?
2. Allstar Performance Flexplate, 168 Tooth, SFI 29.1, Steel, Internal Balance, 2-Piece Seal, compatible with Chevy V8, Each
Upgrade your Chevy V8 with the Allstar Performance Flexplate. This part is made from strong steel and built to last.
It fits your vehicle perfectly. Weighs just 6.8 pounds. Made right here in the United States.
Trust the 168 tooth design for smooth power transfer. The 2-piece seal keeps everything tight and secure. This flexplate is a smart choice for your engine.
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Perfect For:
This Allstar Performance Flexplate is perfect for Chevy V8 owners who want a strong, reliable part. It fits your vehicle exactly and is made in the United States. If you want durability and a perfect match for your engine, this is for you.
Ready to Purchase?
3. PRW 1835001 SFI-Rated Internal Balance 168 Teeth Chromoly Steel Flexplate for Chevy 1957-85, 90 Early, V6, Gold Irridate
This PRW 1835001 flexplate is SFI 29.1 certified for safety and strength. It’s built for high-performance Chevy engines from 1957-85 and 1990 early models.
The flexplate is 0.035 inches thicker than stock, adding durability. Its double-welded ring gears handle high RPM and torque from big stall converters.
This part is race-ready. It exceeds OEM specs and uses chromoly steel for lasting power. Gold irridate coating resists wear and corrosion.
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Perfect For:
This PRW 1835001 flexplate is perfect for serious racers and high-performance Chevy owners needing heavy-duty reliability. Its SFI 29.1 certification, thicker design, and double-welded ring gears ensure it handles extreme torque and high RPMs without failure.
Ready to Purchase?
4. RANSOTO LS V8 Flexplate Heavy Duty Compatible with 1997-2007 GM Gen III LS1,LS2, LS6, 4.8L, 5.3L 6.0L adapt to TH350, TH400, 700R4, 200-4R, 4L60 LS Flywheel
RANSOTO LS V8 Flexplate is a heavy-duty upgrade for GM Gen III engines. It meets SFI29.1 safety standards with double-welded steel ring gears.
Built from cold-rolled premium steel, this flexplate resists wear and heat. It works with 10.75″ and 11.066″ torque converters for smooth power transfer. Compatible with TH350, TH400, 700R4, 200-4R, 4L60, and 4L60E transmissions.
Note bolt patterns: 10.75″ fits older SBC and non-LS engines. 11.06″ suits LS engines but excludes 1999-2000 6.0L, LSA, and LS9 models. Backed by a 6-month warranty for worry-free use.
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Perfect For:
This product is perfect for truck owners or hot rod builders needing a heavy-duty flexplate for GM Gen III LS engines. It’s SFI29.1-certified, fits 10.75″ or 11.06″ torque converters, and works with 4.8L–6.0L engines paired to TH350, 700R4, or 4L60 transmissions.
Ready to Purchase?
5. Michigan Motorsports LS Flexplate | 6-Bolt Dished SFI 29.1 Rated Flexplate | Quick-Rev Black Design | Fits 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | TH350 TH400 700R4 4L60 4L80 6L80 Compatible
The Michigan Motorsports LS Flexplate is built for high-performance engines. It’s SFI 29.1 Certified for strength and safety in tough conditions. The 6-Bolt Dished Fitment works perfectly with LS engines like 4.8L to 6.2L.
It spins fast with the Quick Rev Lightweight Design for quicker power delivery. This flexplate fits many GM transmissions, including TH350, TH400, 700R4, and more. Its Corrosion-Resistant Black Coated Finish lasts long and looks sharp.
This flexplate ensures smooth power transfer and tough reliability. A trusted choice for engine swaps or upgrades needing motorsport-grade durability.
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Perfect For:
This flexplate is perfect for LS engine builders, racers, and car enthusiasts needing a durable, SFI-certified part for high-performance engines. It works with popular GM transmissions, offers quick rev response, and handles tough conditions with its rugged black finish.
Ready to Purchase?
6. Hays 10-030 Steel SFI Certified Flexplate
The Hays 10-030 Steel Flexplate is S.F.I. 29.1 Certified for safety and performance. It works with Internally Balanced Chevy V8 Engines and has a 168 Tooth Ring Gear for strong power transfer.
This flexplate has Zinc Dichromate Plated Finish to resist rust. It fits 4L60E and TH350 Converter Bolt Patterns. Built for durability in high-stress engine setups.
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Perfect For:
This flexplate is perfect for Chevy V8 engine builders and performance enthusiasts needing a strong, certified part. It works with 4L60E or TH350 transmissions and has a 168 tooth ring gear for reliable power transfer. The SFI 29.1 certification ensures safety and durability under stress.
Ready to Purchase?
7. ATP Automotive Z-111 Automatic Transmission Flywheel Flex-Plate
The ATP Automotive Z-111 Automatic Transmission Flywheel Flex-Plate is built to fit your vehicle perfectly. It is balanced to factory specs for smooth, reliable performance.
This part is made with high-quality ATP transmission materials. It fits specific vehicles for a perfect match. Choose this flex-plate for lasting strength and precision.
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Perfect For:
This ATP Automotive Z-111 Flex-Plate is perfect for car owners who need a reliable replacement for their automatic transmission. It’s vehicle-specific and balanced to factory specs, making it ideal for smooth performance.
Ready to Purchase?
8. ATP Automotive Z-271 Automatic Transmission Flywheel Flex-Plate
The ATP Automotive Z-271 is a flywheel flex-plate for automatic transmissions. It is balanced to factory specs for smooth performance. The design ensures a vehicle-specific fit for reliable use.
This flex-plate is built to OEM material and dimension specs. It meets strict quality standards for long-lasting function.
The sturdy build resists wear in tough driving conditions. Installation is easy with vehicle-specific design for proper alignment.
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Perfect For:
This product is perfect for vehicle owners needing a reliable transmission replacement. It offers a Vehicle Specific fit and meets OEM material and dimension specs for trusted performance.
Ready to Purchase?
9. Dirty Dingo LS Conversion Flexplate with Bolts
This is a Dirty Dingo LS Conversion Flexplate with Bolts. It uses ARP Bolts for strong, reliable connections. It works with an 11 1/2″ torque converter and includes a crank spacer.
The ARP Bolts ensure durability under stress. The 11 1/2″ torque converter fits snugly for smooth power transfer.
The crank spacer aligns parts correctly. Everything you need, including pre-installed ARP bolts, makes setup easy.
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Perfect For:
This flexplate is perfect for car builders or DIY mechanics swapping to an LS engine. It includes ARP Bolts for strength, fits 11 1/2″ torque converters, and has a Crank Spacer for proper alignment. These parts make LS conversions easier and more reliable.
Ready to Purchase?
10. Adapter Flywheel Flexplate Compatible with LS1/LS2/LS6/4.8/5.3/6.0, Gen III LS engines, for TH350/700R4/2004R/4L60/Powerglide transmissions
This adapter flexplate is compatible with GM TH350/700R4/2004R/4L60/Powerglide transmissions and Gen III LS engines. It works with the factory LS starter to cut conversion costs by using existing parts.
The SFI 29.1 Certified ring gears use robotic cold-welding for precision. It’s made from cold-rolled premium steel and 0.035″ thicker than stock for added strength. The package includes 1 flexplate for quick installation.
This flexplate ensures reliable performance for LS engine swaps. Its durable design handles high torque and stress. A smart choice for cost-effective, sturdy transmission setups.
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Perfect For:
This adapter flexplate is perfect for car enthusiasts and mechanics looking to upgrade or convert GM Gen III LS engines with transmissions like TH350, 700R4, or Powerglide. It is also great for those who want to save money by using their factory LS starter while getting a strong, durable, and certified flexplate.
Ready to Purchase?
Buying Guide
Flexplates are key to your vehicle’s power and reliability. Pick the right one for smooth performance and durability.
Factors to Consider When Buying Flexplates:
– Compatibility: Ensure the flexplate fits your engine and transmission. Check bolt patterns and tooth count for a perfect match.
– Material: Look for premium materials like steel or chromoly for strength and longevity.
– Certification: Choose SFI-certified flexplates for safety and high-performance use.
– Balance: Opt for internally balanced or factory-spec balanced flexplates for smooth operation.
– Durability: Select flexplates with double-welded ring gears and corrosion-resistant coatings for tough conditions.
– Ease of Installation: Go for vehicle-specific designs with pre-installed bolts for hassle-free setup.
– Warranty: Check for warranty coverage to ensure peace of mind and reliability.
Engaging Experience:
Upgrading your flexplate boosts power transfer and engine efficiency. Whether for daily driving or high-performance builds, the right choice ensures smooth, reliable performance. Dive in, compare options, and find the perfect fit for your vehicle!