Looking for the best slow jet collections to enhance your carburetor’s performance? Discover top-quality kits from trusted brands like Keihin and Mikuni, designed for precision, durability, and easy installation to keep your engine running smoothly and efficiently.
Slow jets are key to tuning your carburetor for smooth performance. Whether you’re upgrading your motorcycle or maintaining your vehicle, the right slow jet makes a big difference. Our collection features top brands and sizes to fit your needs.
From Keihin to Mikuni, these kits offer precision and durability. They’re easy to install and built to last, ensuring your engine runs efficiently. Discover the perfect match for your carburetor and experience the difference.
Explore our best slow jet collections today. Find the right fit for your vehicle. Upgrade your performance now!
List of Top 6 Slow Jet Collections
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20pcs Carburetor Main Jets Slow Pilot Jets Kit Set Compatible with Keihin OKO KOSO PE PWK Carb |
This 20pcs Carburetor Main Jets Slow Pilot Jets Kit Set is perfect for anyone tuning or repairing carburetors. It’s ideal for Keihin, OKO, KOSO, PWK, and PE carburetors, offering precise jet sizes for better performance. |
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JRL 10pcs Set Slow/Pilot Jet fits PWK Keihin OKO CVK 32,35,38,40,42,45,48,50,52,55 |
This product is perfect for motorcycle enthusiasts and mechanics needing carburetor upgrades. It fits PWK Keihin, OKO CVK models 32 to 55, offering a 10-piece set for easy tuning. |
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22Pcs Carburetor Jet Kit, 11 Main Jets (#100-145) and 11 Slow Pilot Jets (32-58), Compatible with Nibbi Keihin PWK/PE/CVK Type Carburetors for Motorcycle Dirt Bike |
This 22Pcs Carburetor Jet Kit is perfect for motorcycle and dirt bike enthusiasts who want to fine-tune their engine’s performance. It’s ideal for those with PWK, CVK, or PE-type carburetors looking to improve fuel delivery and idle control. |
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SURIEEN Pilot Jet Slow Jet Kit, Replacement for Mikuni RS HSR HS TM Carburetors VM28/486 10# ~ 42.5# (14PCS) |
This Pilot Jet Slow Jet Kit is perfect for motorcycle enthusiasts and DIY mechanics who need to replace or upgrade their Mikuni carburetors. It’s ideal for tuning and improving performance on classic bikes like Kawasaki, Suzuki, and Yamaha models. |
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JEM&JULES Set of 12 Pilot Jets Slow Jet 10-37.5 for Mikuni Carb VM28 /486 |
This JEM&JULES Pilot Jet Set is perfect for anyone fixing or tuning Mikuni carburetors. It’s ideal for models like HS40, HSR42/45/48, RS34-RS40, TM33, TM36, and TM40. |
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10pcs Set Slow/Pilot Jet fits PWK Keihin OKO CVK 32,35,38,40,42,45,48,50,52,55 [Gold Sister] |
This 10-piece set is perfect for anyone who needs to replace or upgrade their slow/pilot jets on PWK Keihin OKO CVK carburetors. It’s ideal for DIY enthusiasts or motorcycle owners looking for reliable parts. |
Detailed Reviews
Discover the top 6 Slow Jet Collections, handpicked for performance and value. Each set is expert-reviewed and customer-approved, ensuring you find the perfect fit for your needs. From durable brass to precise sizing, these kits promise smooth engine performance and easy installation.
1. 20pcs Carburetor Main Jets Slow Pilot Jets Kit Set Compatible with Keihin OKO KOSO PE PWK Carb

This 20-piece carburetor jet kit is a must-have for anyone working on compatible carburetors. It includes 10 slow pilot jets and 10 main jets, covering a wide range of sizes. These jets are designed to fit Keihin, OKO, KOSO, PWK, and PE carburetors.
The slow pilot jets come in sizes #32 to #55, ensuring precise fuel delivery. The main jets range from 155 to 178, offering flexibility for tuning. Both types are made with precise measurements for a perfect fit.
This kit is ideal for carburetor maintenance and performance upgrades. It’s compatible with special versions of the mentioned carburetors, making it a versatile choice.
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Perfect For:
This 20pcs Carburetor Main Jets Slow Pilot Jets Kit Set is perfect for anyone tuning or repairing carburetors. It’s ideal for Keihin, OKO, KOSO, PWK, and PE carburetors, offering precise jet sizes for better performance.
Ready to Purchase?
2. JRL 10pcs Set Slow/Pilot Jet fits PWK Keihin OKO CVK 32,35,38,40,42,45,48,50,52,55

The JRL 10-piece set includes slow/pilot jets designed to fit PWK Keihin OKO CVK carburetors. These jets work with sizes 32 to 55. They are small but essential for your vehicle.
These jets are easy to install and improve engine performance. They ensure smooth idling and better fuel efficiency.
Made by JRL, a trusted brand, these jets are durable and reliable. They are lightweight and compact, perfect for your automotive needs.
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Perfect For:
This product is perfect for motorcycle enthusiasts and mechanics needing carburetor upgrades. It fits PWK Keihin, OKO CVK models 32 to 55, offering a 10-piece set for easy tuning.
Ready to Purchase?
3. 22Pcs Carburetor Jet Kit, 11 Main Jets (#100-145) and 11 Slow Pilot Jets (32-58), Compatible with Nibbi Keihin PWK/PE/CVK Type Carburetors for Motorcycle Dirt Bike

This 22-piece carburetor jet kit is a must-have for tuning your motorcycle. It includes 11 main jets and 11 slow pilot jets, all made of durable brass. Each piece is precision-machined for better fuel delivery.
The main jets work for stock or modified setups, while the slow jets improve idle control. This kit fits PWK, CVK, and PE-type carburetors, plus brands like OKO and Polini.
With corrosion-resistant brass, these jets last long. They handle temperature changes without losing performance. Perfect for tuning your bike’s engine to run smoothly.
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Perfect For:
This 22Pcs Carburetor Jet Kit is perfect for motorcycle and dirt bike enthusiasts who want to fine-tune their engine’s performance. It’s ideal for those with PWK, CVK, or PE-type carburetors looking to improve fuel delivery and idle control.
Ready to Purchase?
4. SURIEEN Pilot Jet Slow Jet Kit, Replacement for Mikuni RS HSR HS TM Carburetors VM28/486 10# ~ 42.5# (14PCS)

The SURIEEN Pilot Jet Slow Jet Kit is a 14-piece set designed for Mikuni carburetors. It includes sizes from 10# to 42.5#, covering all your tuning needs.
Made of solid brass, these jets are durable and long-lasting. They are 100% tested before shipping, ensuring reliable performance.
This kit is compatible with Mikuni HS, HSR, RS, and TM carburetors. It fits Kawasaki, Suzuki, and Yamaha models, making it a versatile choice.
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Perfect For:
This Pilot Jet Slow Jet Kit is perfect for motorcycle enthusiasts and DIY mechanics who need to replace or upgrade their Mikuni carburetors. It’s ideal for tuning and improving performance on classic bikes like Kawasaki, Suzuki, and Yamaha models.
Ready to Purchase?
5. JEM&JULES Set of 12 Pilot Jets Slow Jet 10-37.5 for Mikuni Carb VM28 /486

The JEM&JULES Set of 12 Pilot Jets is perfect for Mikuni Carb VM28/486. These slow jets are designed to fit specific Mikuni models, ensuring a precise match.
Sizes range from 10 to 37.5, covering all your needs. Each jet is brand new and quality tested before shipping. Total length is 28mm, with a M4.0x0.7mm thread.
The package includes 12 pilot jets, ready for use. These jets are easy to install and built to last. Upgrade your carburetor performance today!
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Perfect For:
This JEM&JULES Pilot Jet Set is perfect for anyone fixing or tuning Mikuni carburetors. It’s ideal for models like HS40, HSR42/45/48, RS34-RS40, TM33, TM36, and TM40.
Ready to Purchase?
6. 10pcs Set Slow/Pilot Jet fits PWK Keihin OKO CVK 32,35,38,40,42,45,48,50,52,55 [Gold Sister]
![10pcs Set Slow/Pilot Jet fits PWK Keihin OKO CVK 32,35,38,40,42,45,48,50,52,55 [Gold Sister]](https://m.media-amazon.com/images/I/51TahTxVmfL._SL500_.jpg)
This 10-piece set of slow/pilot jets is designed to fit PWK Keihin OKO CVK carburetors in sizes 32 to 55. Made by Gold Sister, these jets ensure smooth engine performance for your vehicle.
They are easy to install, durable, and compatible with multiple models. Perfect for tuning your carburetor and improving fuel efficiency.
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Perfect For:
This 10-piece set is perfect for anyone who needs to replace or upgrade their slow/pilot jets on PWK Keihin OKO CVK carburetors. It’s ideal for DIY enthusiasts or motorcycle owners looking for reliable parts.
Ready to Purchase?
Buying Guide
Slow jets are key to tuning your carburetor for smooth performance. Whether you’re upgrading your motorcycle or maintaining your vehicle, the right slow jet makes a big difference. Our guide helps you find the perfect match for your needs.
Engaging Experience:
Choosing the right slow jet can transform your engine’s performance. With top brands and sizes available, you’ll experience better fuel efficiency, smoother idling, and enhanced power. Let’s explore what to look for!
Factors to Consider When Buying Slow Jets:
– Compatibility: Ensure the jets fit your carburetor model. Check brands like Keihin, Mikuni, or PWK for a perfect match.
– Size Range: Look for kits with a wide size range (e.g., #32 to #55) to fine-tune your engine’s performance.
– Material: Choose durable materials like brass for longevity and corrosion resistance.
– Ease of Installation: Opt for jets that are easy to install, saving you time and effort.
– Brand Reputation: Trust reliable brands like JRL, SURIEEN, or Gold Sister for quality and performance.
– Kit Contents: Consider kits with multiple jets (e.g., 10 or 20 pieces) for versatility and value.
– Performance Needs: Decide if you need jets for idle control, fuel efficiency, or high-performance tuning.
Upgrade your carburetor today and experience the difference with the best slow jet collections!