144-2170 Keihin Jet Nos N424-21

( Brand: Aftermarket ), ( Manufacturer Part Number: 144-2170 ), ( Part Type: Jet )

Review AFTERMARKET #70 Keihin Jet Qty Nos fits PILOT 1970

Keihin Pilot Jet Nos (144-2170 n424-21 70) - Precision Fuel Injection Parts for Optimal Engine Performance

The Keihin Pilot Jet Nos (144-2170 n424-21 70) are high-quality, precision-engineered fuel injection components designed for superior engine performance. These pilot jets are part of Keihin's extensive product line, a globally recognized brand in the automotive industry for their exceptional quality and reliability.

With a nominal size of 424-21 and a flow rate of 70, these pilot jets are specifically designed to offer precise fuel delivery for optimal combustion in various engine applications. The 144-2170 model number signifies the unique specifications and performance characteristics of these jets, making them an ideal choice for discerning engine enthusiasts.

Made from premium materials, these pilot jets ensure consistent fuel delivery under various engine loads and conditions. Their robust construction and meticulous manufacturing process ensure a long service life, reducing the need for frequent replacements.

Installation of the Keihin Pilot Jet Nos (144-2170 n424-21 70) is straightforward, thanks to their standardized design and dimensions. They are easy to replace, even for DIY enthusiasts, requiring minimal tools and expertise.

In summary, the Keihin Pilot Jet Nos (144-2170 n424-21 70) are an excellent choice for those seeking reliable, high-performance fuel injection components. Their precision engineering, robust construction, and consistent fuel delivery make them an essential upgrade for any engine looking to achieve optimal performance.

Analysis of Buying 144-2170 n424-21 70 Keihin Pilot Jet Nos

1. High-quality components: Keihin is a renowned manufacturer in the field of aircraft and motorcycle carburetors, known for their precision and durability.

2. Wide range of applications: These pilot jets are suitable for various sizes of main jets, making them versatile for different engine sizes.

3. Improved fuel efficiency: The correct pilot jet can help improve fuel mixture and combustion, leading to better fuel efficiency and engine performance.

4. Easy installation: Pilot jets are relatively easy to replace compared to other engine components, making them a cost-effective solution for performance tuning.

1. Requires precise selection: Choosing the correct pilot jet depends on various factors such as engine size, altitude, climate, and fuel quality. Incorrect selection may lead to poor engine performance or damage.

2. Potential for performance variations: Even with correct selection, different pilot jets may produce slightly different performance results due to variations in manufacturing.

3. Cost: While not overly expensive, a set of pilot jets can still add up to a significant cost for hobbyists or individuals with multiple engines.

4. Limited impact on overall performance: While pilot jets can improve engine performance, they are just one component of the engine system. For drastic performance improvements, other modifications such as intake, exhaust, or fuel system upgrades may be necessary.

Purchasing 144-2170 n424-21 70 Keihin Pilot Jet Nos can provide performance benefits for appropriate engine applications. However, it's crucial to ensure accurate selection and installation to avoid potential issues. While they may not offer drastic performance improvements on their own, they serve as an essential component in optimizing engine performance.

It is recommended to consult with a performance tuning expert or refer to a reliable guide for selecting the correct pilot jet size for your specific engine. Additionally, consider investing in other performance modifications to further enhance engine performance.

Details:

Jet is new and in excellent condition, not original packaging. Items are shipped using USPS, UPS, and FedEx. Aftermarket 144-2170, N424-21 #70 Keihin Pilot Jet Qty 1 NOS.

All parts are in stock and ready to ship. If the original package is included it may show signs of wear.

part #: 1442170 prices

• $10.95-$24.99

specifications intakefuelmotorcycle:

• for models: Pilot
• for years: 1970
• brand: Aftermarket
• mpn: 144-2170
• part type: Jet

shipping intakefuelmotorcycle:

• service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air, UPS 2nd Day Air
• type: Calculated
• carrier: USPS, UPS
• class: Standard, Expedited, One-day
• transit: 4-9 Days
• cost: $0.00

offer intakefuelmotorcycle:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: November 15, 2025
• quantity: 4

returns intakefuelmotorcycle:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

seller intakefuelmotorcycle:

• rating: 99.9%
• # reviews: 117627
• city: Ashaway, Rhode Island

payments intakefuelmotorcycle:

• credit card: Mastercard
• wallet: Apple-pay
• other

general intakefuelmotorcycle:

• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
• condition: New other see details

Aftermarket 144-2170 Is Similar To:

• 110jetkit-pick-your-size Unbranded Kawasaki Jet Kit For Stock Carb Aftermarket Air Filter (24.3% similar) Stock carb only. Listing is for 1 pilot main jet. Just let us know size. The kit includes: 1 main jet pilot in size of your choice...(April 9th, 2020)