Looking for the best performance crankshafts to boost your engine’s power? We’ve tested and reviewed the top 10 crankshafts to help you find the perfect fit for your ride.
Crankshafts are the heart of your engine. They turn fuel into power. A high-quality crankshaft can make your ride faster and stronger.
Choosing the right crankshaft boosts performance and reliability. It’s a smart upgrade for any engine. Whether racing or daily driving, it makes a big difference.
We’ve tested and reviewed the best crankshafts for you. This guide will help you find the perfect fit. Get ready to transform your engine’s power!
List of Top 10 best performance crankshafts
| Image | Title | Best For | Price |
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Scat Crankshafts 9-FE-4250-6700-2200 FE Cast Steel Crankshaft for Big Block Ford |
This Scat Crankshaft is perfect for mechanics and car builders working on Big Block Ford engines. The 4.250-inch stroke boosts power, while durable cast steel ensures long-lasting use. Its compact package size and manageable weight make it easy to handle and ship. |
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Scat Enterprises Crankshaft, Pro Stock 9000 Series, 3.750 in Stroke, External Balance, Cast Iron, 2-Piece Seal, Small Block Chevy, Each |
This Scat Enterprises Crankshaft is perfect for car enthusiasts and professional racers who want reliable, high-performance parts. It’s ideal for small block Chevy engines needing a strong, external balance crankshaft. |
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Scat Crankshafts 9-350-3480-5700 Cast Steel Crankshaft for Small Block Chevrolet |
Scat Crankshafts 9-350-3480-5700 is perfect for car enthusiasts who want a reliable and strong crankshaft for their Small Block Chevrolet. It’s great for upgrades or repairs. |
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Scat Crankshafts Rotating Assembly |
This product is perfect for engine builders and mechanics who need a durable, high-performance rotating assembly. Its flat top pistons and sturdy design suit serious projects, while the 80-pound package and single assembly ensure easy handling and setup. |
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AA Performance Products Stock Replacement Crankshaft, Fits VW 1600 |
This crankshaft is perfect for VW 1600 engine owners needing a direct-fit replacement. It suits air-cooled VW Type 1 engines with STD rod journals and 69mm size, offering exact machining and stock oil hole design for reliable performance. |
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Red Ax100 Crankshafts High-Performance Reinforced Ax 115 Crankshaft AX115 Motorcycles Racing and Daily Use |
Red Ax100 Crankshafts are perfect for motorcycle enthusiasts who want reliable, high-performance parts. Whether you’re racing or riding daily, these crankshafts improve accuracy, boost stability, and extend your bike’s life. |
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22T Crankshaft Assembly, Aluminum Alloy Stable Performance High Sensitivity Antirust Scooter Crankshaft for ATV 50cc 60cc 80cc 4 Stroke GY6 QMB139 |
This crankshaft is perfect for ATV riders with 50cc to 80cc engines needing a reliable replacement or performance upgrade. It offers stable performance, boosted power, and easy installation for those seeking durable, low-maintenance parts. |
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Manley Performance Manley Chevrolet Small Block 350 4340 Forged 3.480in Stroke Pro Series Crankshaft |
This crankshaft is perfect for serious car enthusiasts and engine builders. It’s built for high-performance Chevrolet Small Block 350 engines with a strong 4340 forged steel design and a 3.480in stroke. Made in the USA, it ensures power, speed, and durability for tough builds. |
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Scat Crankshafts Scat 910526 Crankshaft |
The Scat Crankshafts Scat 910526 Crankshaft is perfect for car enthusiasts who want a reliable and vehicle-specific upgrade. It’s ideal for those looking to enhance their engine’s performance with a durable, high-quality part. |
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New Kalama Racing Taiwan Performance Crankshaft fits Raptor 700 2006~2014, Raptor 700 2015~2020, Raptor 700R 2015~2020 |
This crankshaft is perfect for Yamaha Raptor 700 owners (2006–2020) and Raptor 700R riders (2015–2020). It’s a direct OEM replacement for easy upgrades or repairs. |
Detailed Reviews
Discover the top 10 best performance crankshafts tailored for power and durability. Each product is expert-reviewed and backed by customer feedback, ensuring you get the best value. Whether you’re upgrading for speed, reliability, or affordability, this guide has you covered. Find the perfect crankshaft to boost your engine’s performance and take your ride to the next level.
1. Scat Crankshafts 9-FE-4250-6700-2200 FE Cast Steel Crankshaft for Big Block Ford
This Scat Crankshaft is built for Big Block Ford engines. It has a 4.250 inch stroke for strong engine power. The cast steel design makes it tough and long-lasting.
The package is 62.966 H x 23.469 L x 27.99 W (cm) for easy storage. It weighs 29.484 kilograms, balancing strength and manageability. These specs help with safe shipping and setup.
This crankshaft is a solid upgrade for performance builds. It combines heavy-duty materials with precise engineering.
| Pros | Cons |
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Perfect For:
This Scat Crankshaft is perfect for mechanics and car builders working on Big Block Ford engines. The 4.250-inch stroke boosts power, while durable cast steel ensures long-lasting use. Its compact package size and manageable weight make it easy to handle and ship.
Ready to Purchase?
2. Scat Enterprises Crankshaft, Pro Stock 9000 Series, 3.750 in Stroke, External Balance, Cast Iron, 2-Piece Seal, Small Block Chevy, Each
The Scat Enterprises Crankshaft is a high-performance auto part designed for Small Block Chevy engines. It features a 3.750-inch stroke and external balance for smooth operation. This Pro Stock 9000 Series crankshaft is made from durable cast iron and includes a 2-piece seal for reliable performance.
The package dimensions are 9.24 inches high, 24.79 inches long, and 11.02 inches wide. It’s a single-unit product, perfect for upgrading your engine with precision and strength.
| Pros | Cons |
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Perfect For:
This Scat Enterprises Crankshaft is perfect for car enthusiasts and professional racers who want reliable, high-performance parts. It’s ideal for small block Chevy engines needing a strong, external balance crankshaft.
Ready to Purchase?
3. Scat Crankshafts 9-350-3480-5700 Cast Steel Crankshaft for Small Block Chevrolet
Scat Crankshafts offers a cast steel crankshaft for Small Block Chevrolet engines. This durable part is designed to enhance performance. It’s a reliable choice for your engine.
The 3.480-inch stroke ensures smooth power delivery. This key feature boosts your engine’s efficiency and strength.
The package dimensions are 24.79 inches long, 9.24 inches high, and 11.02 inches wide. These precise measurements make installation and handling easy.
| Pros | Cons |
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Perfect For:
Scat Crankshafts 9-350-3480-5700 is perfect for car enthusiasts who want a reliable and strong crankshaft for their Small Block Chevrolet. It’s great for upgrades or repairs.
Ready to Purchase?
4. Scat Crankshafts Rotating Assembly
The Scat Crankshafts Rotating Assembly is a complete unit built for durability and performance. It includes Flat Top Pistons designed to boost engine efficiency and power.
This assembly comes in a sturdy package measuring 26.0L x 19.0W x 14.0H inches and weighs 80.0 pounds, ensuring safe transport. Only 1 package quantity is needed for installation, making it easy to handle and store.
Flat Top Pistons enhance engine compression. The package simplifies shipping and setup. The assembly is built to last with precision-engineered parts.
| Pros | Cons |
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Perfect For:
This product is perfect for engine builders and mechanics who need a durable, high-performance rotating assembly. Its flat top pistons and sturdy design suit serious projects, while the 80-pound package and single assembly ensure easy handling and setup.
Ready to Purchase?
5. AA Performance Products Stock Replacement Crankshaft, Fits VW 1600
This Brand New Stock Replacement Crankshaft fits VW 1600 Engines perfectly. It’s built to last, with STD cross-drilled oil holes for smooth performance.
Engine Type: Air Cooled VW Type 1. Rod Journal: STD VW Type 1. Size: 69mm.
This crankshaft ensures reliable power delivery and long-lasting durability. It’s a direct fit, making installation easy for your classic VW build.
| Pros | Cons |
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Perfect For:
This crankshaft is perfect for VW 1600 engine owners needing a direct-fit replacement. It suits air-cooled VW Type 1 engines with STD rod journals and 69mm size, offering exact machining and stock oil hole design for reliable performance.
Ready to Purchase?
6. Red Ax100 Crankshafts High-Performance Reinforced Ax 115 Crankshaft AX115 Motorcycles Racing and Daily Use
The Red Ax100 Crankshafts are built for high-performance racing and daily use. They fit AX115 motorcycles perfectly. These crankshafts are reinforced for extra strength.
They improve accuracy, boost stability, and extend equipment life. They also ensure safety and reduce maintenance needs.
| Pros | Cons |
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Perfect For:
Red Ax100 Crankshafts are perfect for motorcycle enthusiasts who want reliable, high-performance parts. Whether you’re racing or riding daily, these crankshafts improve accuracy, boost stability, and extend your bike’s life.
Ready to Purchase?
7. 22T Crankshaft Assembly, Aluminum Alloy Stable Performance High Sensitivity Antirust Scooter Crankshaft for ATV 50cc 60cc 80cc 4 Stroke GY6 QMB139
Upgrade your ride with the 22T Crankshaft Assembly, designed for ATV 50cc, 60cc, and 80cc engines. It’s a durable, high-performance replacement for your scooter or ATV.
Made from top-grade aluminum alloy, this crankshaft resists wear, rust, and heat. It’s easy to install and fits perfectly.
Enjoy smoother rides and better power with this crankshaft. It boosts torque, acceleration, and engine life, making it a smart choice for any upgrade.
| Pros | Cons |
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Perfect For:
This crankshaft is perfect for ATV riders with 50cc to 80cc engines needing a reliable replacement or performance upgrade. It offers stable performance, boosted power, and easy installation for those seeking durable, low-maintenance parts.
Ready to Purchase?
8. Manley Performance Manley Chevrolet Small Block 350 4340 Forged 3.480in Stroke Pro Series Crankshaft
This crankshaft is made from 4340 forged steel for strong, lasting power. It fits Chevrolet Small Block 350 engines with a 3.480-inch stroke. The Pro Series name means top-tier quality and performance.
The package is 30.8 inches long, 9.2 inches wide, and 9.9 inches high. These sizes make it easy to store and move.
This product is built in the United States. It’s part of a trusted line for high-performance engines.
| Pros | Cons |
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Perfect For:
This crankshaft is perfect for serious car enthusiasts and engine builders. It’s built for high-performance Chevrolet Small Block 350 engines with a strong 4340 forged steel design and a 3.480in stroke. Made in the USA, it ensures power, speed, and durability for tough builds.
Ready to Purchase?
9. Scat Crankshafts Scat 910526 Crankshaft
The Scat Crankshafts Scat 910526 is a vehicle-specific part. It is made in China and designed for specific car models.
This crankshaft weighs 53.8 pounds. It comes in a heavy package, so handle with care.
Key details: Vehicle-specific fit, China-made, 53.8 pounds.
| Pros | Cons |
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Perfect For:
The Scat Crankshafts Scat 910526 Crankshaft is perfect for car enthusiasts who want a reliable and vehicle-specific upgrade. It’s ideal for those looking to enhance their engine’s performance with a durable, high-quality part.
Ready to Purchase?
10. New Kalama Racing Taiwan Performance Crankshaft fits Raptor 700 2006~2014, Raptor 700 2015~2020, Raptor 700R 2015~2020
This crankshaft fits Yamaha Raptor 700 models from 2006 to 2020 and Raptor 700R models from 2015 to 2020. It’s built for high-performance use and durability.
The kit includes one crankshaft and matches OEM part numbers 1S3-11400-00-00, 1PE-11400-00-00, and 2LS-11400-00-00. It’s a direct replacement for easy installation.
Reliable upgrade for your engine. Smooth power delivery and long-lasting design. Perfect fit for select Raptor 700 models.
| Pros | Cons |
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Perfect For:
This crankshaft is perfect for Yamaha Raptor 700 owners (2006–2020) and Raptor 700R riders (2015–2020). It’s a direct OEM replacement for easy upgrades or repairs.
Ready to Purchase?
Buying Guide
Crankshafts turn fuel into power. The right one makes your engine faster, stronger, and smoother. Upgrading feels like giving your ride a new heartbeat.
- Material Durability: Forged steel or cast iron crankshafts handle stress better. Pick materials based on your engine’s use—daily driving or high-speed racing.
- Stroke Length: A longer stroke boosts power but may need balancing. Match stroke size to your engine’s design for smooth performance.
- Engine Compatibility: Check fit for your engine type—Small Block Chevy, Big Block Ford, or VW 1600. Wrong fits cause poor performance.
- Balance Type: External balance crankshafts reduce vibrations. Needed for high-RPM engines to stay stable and last longer.
- Weight and Dimensions: Heavier crankshafts add strength but may need more space. Check package size to avoid installation hassles.
- Performance Goals: Racing? Daily use? Pick crankshafts built for your needs—high-torque for tracks or reliable for commutes.
- Brand Reputation: Trusted brands like Scat or Manley offer tested quality. Read reviews to avoid weak or short-lived parts.
- Warranty and Support: Look for brands with solid warranties. Good support helps if parts fail or arrive damaged.
- Price vs. Value: Spend more for parts that last longer. Cheap crankshafts may break faster, costing more in the long run.
- Installation Ease: Some crankshafts need pro tools. Pick direct-fit models if you’re installing it yourself.