Looking for the best crankshafts for racing applications? We’ve tested and reviewed the top 10 options to help you find the perfect fit for your engine.
Racing engines need strong crankshafts to handle high speeds and power. The right crankshaft can make a big difference in performance and reliability.
We’ve tested and reviewed the best crankshafts for racing applications. From lightweight aluminum to reinforced steel, these parts are built to last and perform.
Find the perfect fit for your engine. Upgrade your ride with confidence and boost your racing experience.
List of Top 10 Crankshafts for Racing Applications
| Image | Title | Best For | Price |
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VMS Racing 90-01 VMS Racing Light Weight Billet Aluminum Crankshaft CRANK PULLEY Compatible with Honda Acura Integra including GSR and Type-R 1990-2001 |
This VMS Racing Crankshaft Pulley is perfect for car enthusiasts who want to boost their Honda or Acura Integra’s performance. It’s ideal for those with DOHC engines (B16, B18, B20) looking to increase horsepower, torque, and fuel economy without changing belts or risking overheating. |
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VMS Racing 97-01 Light Weight Billet Aluminum Crankshaft CRANK PULLEY Compatible with Honda CRV B20Z and B20B 1997-2001 |
This VMS Racing Crankshaft Pulley is perfect for Honda CRV owners with B20Z or B20B engines who want to boost performance. It’s ideal for those seeking more horsepower, torque, and better fuel economy without changing belts or risking overheating. |
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Red Ax100 Crankshafts High-Performance Reinforced Ax 115 Crankshaft AX115 Motorcycles Racing and Daily Use |
This product is perfect for racing enthusiasts and daily riders seeking high-performance, reinforced upgrades. It ensures durability, smoother rides, and reliable power transmission for motorcycles. |
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All Balls Racing 24-1010 Crank Shaft Bearing Kit Compatible with/Replacement for Kawasaki KDX250 91-94, KX250 87-01 |
Perfect for Kawasaki KDX250 and KX250 owners needing durable crankshaft bearing replacements. This kit ensures a direct OEM fit with new bearings and seals, offering reliable performance and hassle-free installation. |
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Scooter Racing Crankshaft Compatible with 50cc 2-Stroke Engines for Various Scooter Models Including, Rapido, Pista and Similar |
This crankshaft is perfect for scooter owners who want to upgrade their 50cc 2-stroke engines. It’s ideal for racing or performance use and fits models like Rapido and Pista. |
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Racing Crankshaft Connecting Rod Kit Fit For Zip50 Fly50 Typhoon50 50cc 2T |
This racing crankshaft connecting rod kit is perfect for 2-stroke engine enthusiasts who want a reliable and durable upgrade. It’s ideal for racing applications, ensuring smooth performance and professional-level assembly. |
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Motorcycle AM6 Racing Crankshaft 50cc 2T Minarelli Engine Compatible With NK7 XP6 SM XP7 XR6 XR7 (Racing crankshaft B) |
This crankshaft is perfect for motorcycle enthusiasts who want reliable performance and smooth rides. It’s ideal for daily use or racing, fitting Minarelli 2T engines easily. |
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Motorcycle AM6 Racing Crankshaft 50cc 2T Minarelli Engine Compatible With NK7 XP6 SM XP7 XR6 XR7 (Racing crankshaft A) |
This crankshaft is perfect for motorcycle racers and riders with NK7 XP6 SM XP7 XR6 XR7 50cc models needing reliable power and smooth performance. Its balanced design cuts vibration, suits daily rides or racing, and fits Minarelli 2T engines without extra tweaks. |
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Motorcycle Crankshaft 50cc Compatible with AF1 Classic MX SM Pegaso RS Extrema Tuono AM4 AM5 Minarelli AM6 Racing(Racing crankshaft B) |
This product is perfect for racers and performance riders seeking a durable, precise-fit crankshaft for Minarelli AM6, AM5, or AM4 50cc engines. Built for intense racing conditions, it ensures reliable power delivery and long-term use in demanding rides. |
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Scooter 3mm Racing Crankshaft Compatible With Agility Like Movie XL People Vivio 125cc 13000-KUDU-C00 Motorcycle Engine Parts |
Scooter lovers upgrading their 125cc ride will love this 3mm oversized crankshaft for Agility/Like/Movie XL/People Vivio engines. It boosts power, lasts longer under high RPMs, and installs easily to deliver faster acceleration and higher top speeds. |
Detailed Reviews
Discover the top 10 crankshafts for racing, handpicked for performance and reliability. Each product is expert-reviewed to ensure you get the best value and power boost. Whether you’re racing or upgrading, this guide helps you find the perfect fit for your needs.
1. VMS Racing 90-01 VMS Racing Light Weight Billet Aluminum Crankshaft CRANK PULLEY Compatible with Honda Acura Integra including GSR and Type-R 1990-2001

The VMS Racing Light Weight Billet Aluminum Crankshaft Pulley is compatible with Honda and Acura Integra models from 1990 to 2001. It’s brand new and comes in a VMS Racing branded box.
This pulley is made from lightweight 6061 T-6 billet aluminum, weighing just 9.8 ounces. It boosts horsepower, torque, and fuel economy. The matte finish Gun Metal looks great and lasts long.
It fits B16, B18, and B20 DOHC engines but not B20A engines. Uses factory-sized belts, so no charging or overheating issues. Note: It disables A/C and may need a shorter belt for your car.
| Pros | Cons |
|---|---|
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Perfect For:
This VMS Racing Crankshaft Pulley is perfect for car enthusiasts who want to boost their Honda or Acura Integra’s performance. It’s ideal for those with DOHC engines (B16, B18, B20) looking to increase horsepower, torque, and fuel economy without changing belts or risking overheating.
Ready to Purchase?
2. VMS Racing 97-01 Light Weight Billet Aluminum Crankshaft CRANK PULLEY Compatible with Honda CRV B20Z and B20B 1997-2001

VMS Racing pulley is lightweight aluminum for Honda engines. It weighs just 9.8 ounces and boosts power, torque, and fuel efficiency. This billet 6061 T-6 part is built for performance.
CNC-machined to tight tolerances ensures perfect fit and alignment. It matches OEM size, so no new belts are needed. Note: A/C may stop working, and some setups need a shorter belt.
Hard anodized finish resists wear and adds style. Works with B16, B18, and B20 DOHC engines (not B20A). Keeps your factory setup simple and reliable.
| Pros | Cons |
|---|---|
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Perfect For:
This VMS Racing Crankshaft Pulley is perfect for Honda CRV owners with B20Z or B20B engines who want to boost performance. It’s ideal for those seeking more horsepower, torque, and better fuel economy without changing belts or risking overheating.
Ready to Purchase?
3. Red Ax100 Crankshafts High-Performance Reinforced Ax 115 Crankshaft AX115 Motorcycles Racing and Daily Use

The Red Ax100 Crankshaft boosts performance with high-performance reinforced design. It cuts shaking, sharpens accuracy, and strengthens stability for smoother power delivery.
Built for racing and daily use, it restores transmission efficiency, slashes maintenance needs, and ensures long-lasting durability. Say goodbye to power loss and hello to reliable safety. Every ride stays secure and efficient.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for racing enthusiasts and daily riders seeking high-performance, reinforced upgrades. It ensures durability, smoother rides, and reliable power transmission for motorcycles.
Ready to Purchase?
4. All Balls Racing 24-1010 Crank Shaft Bearing Kit Compatible with/Replacement for Kawasaki KDX250 91-94, KX250 87-01

The All Balls Racing 24-1010 Crank Shaft Bearing Kit is a direct replacement for your Kawasaki KDX250 or KX250. It includes 2 engine bearings and 2 seals, everything you need for a smooth repair. This kit is 100% new and built to OEM specifications, ensuring a perfect fit.
Enjoy peace of mind with a 1-year warranty. If there’s an issue, we’ll replace it or assist you anytime within a year of your purchase.
| Pros | Cons |
|---|---|
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Perfect For:
Perfect for Kawasaki KDX250 and KX250 owners needing durable crankshaft bearing replacements. This kit ensures a direct OEM fit with new bearings and seals, offering reliable performance and hassle-free installation.
Ready to Purchase?
5. Scooter Racing Crankshaft Compatible with 50cc 2-Stroke Engines for Various Scooter Models Including, Rapido, Pista and Similar

The Scooter Racing Crankshaft is built for 50cc 2-stroke engines. It’s designed for performance and fits Rapido, Pista, and similar models.
Made from strong metal, it lasts longer. It’s easy to fit and works perfectly with compatible scooters.
This professional-grade part is ideal for repairs and racing upgrades. It meets all specs for smooth, reliable function.
| Pros | Cons |
|---|---|
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Perfect For:
This crankshaft is perfect for scooter owners who want to upgrade their 50cc 2-stroke engines. It’s ideal for racing or performance use and fits models like Rapido and Pista.
Ready to Purchase?
6. Racing Crankshaft Connecting Rod Kit Fit For Zip50 Fly50 Typhoon50 50cc 2T

Upgrade your 2-stroke engine with this racing crankshaft and connecting rod kit. It’s built tough for high-revving performance and smooth operation.
Made from hardened steel, it’s balanced for reliability. Perfect for racing upgrades, it ensures proper alignment and smooth work.
| Pros | Cons |
|---|---|
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Perfect For:
This racing crankshaft connecting rod kit is perfect for 2-stroke engine enthusiasts who want a reliable and durable upgrade. It’s ideal for racing applications, ensuring smooth performance and professional-level assembly.
Ready to Purchase?
7. Motorcycle AM6 Racing Crankshaft 50cc 2T Minarelli Engine Compatible With NK7 XP6 SM XP7 XR6 XR7 (Racing crankshaft B)

The Motorcycle AM6 Racing Crankshaft is built for 50cc 2T Minarelli engines. It works with NK7, XP6, SM, XP7, XR6, and XR7 models. This part fits many motorcycle types.
Its balanced design cuts vibration for smoother rides. It also boosts engine life and performance. Perfect for daily use or racing.
Made from strong materials, it handles high RPMs with ease. Installation is simple, with no extra changes needed. A reliable upgrade for your bike.
| Pros | Cons |
|---|---|
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Perfect For:
This crankshaft is perfect for motorcycle enthusiasts who want reliable performance and smooth rides. It’s ideal for daily use or racing, fitting Minarelli 2T engines easily.
Ready to Purchase?
8. Motorcycle AM6 Racing Crankshaft 50cc 2T Minarelli Engine Compatible With NK7 XP6 SM XP7 XR6 XR7 (Racing crankshaft A)

The Motorcycle AM6 Racing Crankshaft is perfect for 50cc 2-stroke Minarelli engines. It works with NK7, XP6, SM, XP7, XR6, and XR7 models, making it a versatile choice for many bikes.
This crankshaft delivers steady power and better engine response. Its balanced design cuts vibration, extends engine life, and ensures smooth performance.
| Pros | Cons |
|---|---|
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Perfect For:
This crankshaft is perfect for motorcycle racers and riders with NK7 XP6 SM XP7 XR6 XR7 50cc models needing reliable power and smooth performance. Its balanced design cuts vibration, suits daily rides or racing, and fits Minarelli 2T engines without extra tweaks.
Ready to Purchase?
9. Motorcycle Crankshaft 50cc Compatible with AF1 Classic MX SM Pegaso RS Extrema Tuono AM4 AM5 Minarelli AM6 Racing(Racing crankshaft B)

This crankshaft fits 50cc Minarelli AM6 engines. It boosts performance and runs smoothly. Built for AF1 Classic MX, SM Pegaso, RS Extrema, and Tuono models.
Engineered to meet OEM specs for power and efficiency. Works with both AM4 and AM5 engines for wide use.
Ideal for racing and high-performance riding. Strong build handles tough conditions with ease.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for racers and performance riders seeking a durable, precise-fit crankshaft for Minarelli AM6, AM5, or AM4 50cc engines. Built for intense racing conditions, it ensures reliable power delivery and long-term use in demanding rides.
Ready to Purchase?
10. Scooter 3mm Racing Crankshaft Compatible With Agility Like Movie XL People Vivio 125cc 13000-KUDU-C00 Motorcycle Engine Parts

Upgrade your scooter’s performance with the Scooter 3mm Racing Crankshaft. Designed for Agility Like Movie XL People Vivio 125cc engines, it ensures a perfect fit and enhanced power.
This crankshaft is built tough to handle high RPMs, extends engine life, and boosts acceleration. It’s a direct replacement for easy installation.
| Pros | Cons |
|---|---|
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Perfect For:
Scooter lovers upgrading their 125cc ride will love this 3mm oversized crankshaft for Agility/Like/Movie XL/People Vivio engines. It boosts power, lasts longer under high RPMs, and installs easily to deliver faster acceleration and higher top speeds.
Ready to Purchase?
Buying Guide
Racing engines demand strong crankshafts to handle high speeds and power. The right crankshaft transforms performance, offering boosted horsepower and reliable durability.
- Material: Lightweight aluminum reduces engine load, while reinforced steel offers unmatched strength. Choose based on your power goals and track conditions.
- Compatibility: Check engine types—like B16, B18, B20 DOHC, or 50cc 2-stroke—to ensure a perfect fit. Avoid mismatched models like B20A or incompatible scooters.
- Weight: Lighter crankshafts, like 9.8-ounce aluminum options, improve acceleration and fuel efficiency. Prioritize weight reduction for racing agility.
- Durability: Look for hard anodized finishes, hardened steel, or balanced designs to resist wear and handle high RPMs without failure.
- Design Features: Features like vibration reduction and CNC-machined precision ensure smooth power delivery and longer engine life.
- Installation Needs: Some crankshafts may require shorter belts or disable A/C. Check if your setup needs adjustments before buying.
- Warranty: Opt for products with 1-year warranties or hassle-free returns for peace of mind. Brands like All Balls Racing offer reliable support.
Upgrade with confidence. Match your engine’s needs to the right crankshaft for maximum performance and race-ready reliability.