SPEEDWAY MOTORS 9401321 Ultralite Single Chromoly Tubular 4340 5-1/2 Pin .859

( Brand: Speedway Motors ), ( Part Type: Pin Motor ), ( Manufacturer Part Number: 9401321 ), ( California Prop 65 Warning: True )

Review SPEEDWAY MOTORS Ultralite Single 4340 Chromoly Tubular 5-1/2 Inch Pin .859 Diameter fits KING

The Speedway 9401321 Ultralite Single is a high-performance, lightweight go-kart frame designed for competitive racing and serious enthusiasts. This frame is made with top-quality materials to ensure strength, durability, and agility on the racetrack.

The frame's primary material is 4340 Chromoly tubing, a popular choice for go-kart frames due to its excellent balance of strength and weight. Chromoly tubing is known for its ability to absorb impact and resist fatigue, making it an ideal material for high-speed applications.

This Ultralite Single frame features a 5-1/2 inch king pin design, which provides increased stability and steering response. The king pin is a critical component of the go-kart's suspension system, and a well-designed one can significantly improve the kart's handling characteristics.

The frame also boasts an ultralite construction, which is essential for competitive racing. Every gram of weight saved can translate into faster lap times and improved performance. The Speedway 9401321 Ultralite Single frame achieves this by using lightweight yet strong materials and efficient design.

The frame's tubing has a smooth, polished finish that not only looks great but also reduces wind resistance and aerodynamic drag. This can help improve top speeds and reduce the amount of energy needed to move the kart through the air.

The 859 designation refers to the frame's geometry and size specifications. This particular frame is designed for racing applications and provides an optimal balance of stiffness, strength, and weight. Its precise design and meticulous manufacturing process ensure that the frame will provide consistent, reliable performance race after race.

In summary, the Speedway 9401321 Ultralite Single 4340 Chromoly Tubular 5-1/2 King Pin 859 is a high-performance go-kart frame designed for competitive racing and serious enthusiasts. Its use of top-quality materials, efficient design, and precise manufacturing process make it a reliable and effective choice for those seeking to maximize their performance on the racetrack.

The Speedway 9401321 Ultralite Single 4340 Chromoly Tubular 5-1/2 King Pin 859 is a racing axle suitable for various applications, particularly in drag racing. Below are some pros and cons that can help in making an informed decision about purchasing this product.

1. Lightweight: The use of chromoly tubing material in the construction of this axle makes it lightweight, reducing unsprung weight and improving vehicle performance.

2. Strength: Chromoly tubing is known for its strength and durability, which is essential in high-performance applications.

3. Versatility: This axle is suitable for various racing applications, including drag racing, and can accommodate different wheel and tire combinations.

4. Affordability: Compared to other high-performance racing axles, the Speedway 9401321 is relatively affordable.

1. Limited Compatibility: This axle may not be compatible with all vehicle models or applications, so it's essential to check the specifications carefully before making a purchase.

2. Requires Professional Installation: Installing this axle may require professional expertise, which could incur additional costs.

3. No Lubrication System: This axle does not come with a built-in lubrication system, so regular maintenance is necessary to ensure smooth operation.

The Speedway 9401321 Ultralite Single 4340 Chromoly Tubular 5-1/2 King Pin 859 is a high-performance racing axle with several advantages, including its lightweight construction, strength, versatility, and affordability. However, it also has some disadvantages, such as limited compatibility, the need for professional installation, and the lack of a built-in lubrication system.

If you are in the market for a high-performance racing axle and your vehicle is compatible with this model, the Speedway 9401321 could be an excellent choice due to its strength, durability, and affordability. However, if you require a more convenient option with built-in lubrication or are unsure of your vehicle's compatibility, you may want to consider other models.

If you are looking for a high-performance racing axle and your vehicle is compatible with the Speedway 9401321, this axle could be an excellent choice due to its strength, durability, and affordability. However, be prepared for professional installation and regular maintenance to ensure optimal performance. If you require a more convenient option or are unsure of your vehicle's compatibility, it may be worth exploring other models with built-in lubrication systems.

part # 9401321 price

• $27.99

specifications steershun:

• for models: King
• brand: Speedway Motors
• part type: Pin Motor
• manufacturer part number: 9401321
• california prop 65 warning: True

general steershun:

• Car Truck Parts Accessories > Steering Suspension > Other Steering Suspension Parts
• condition: New

seller steershun:

• # reviews: 12249
• rating: 98.7%

offer steershun:

• sold: 0
• started: September 13, 2025
• quantity: 1
• options: Ship-to-home
• availability: In Stock

shipping steershun:

• type: Fixed
• class: Standard, Expedited
• transit: 5-11 Days
• cost: $0.00
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail

payments steershun:

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

returns steershun:

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

Speedway Motors 9401321 Is Similar To:

• Speedway Motors 91032100 1949-1954 Chevy Car Modified Spindles With King Pins Gasser (51.1% similar) $180.99–$298.99. (August 24th, 2024)
• Speedway Motors 9109023 24 Inch Aluminum Air Suspension Tank 3 Gallon Natural Finish 200 Psi (37.2% similar) $8.80–$84.99. (February 12th, 2025)
• Speedway Motors 9404920 Black Aluminum Torsion Stop (44.9% similar) $31.99. (March 15th, 2025)
• Speedway Motors 91603547 Steering Column Firewall Mount 1962-67 Fits Chevy Ii/nova (34.8% similar) $92.99. (April 2nd, 2025)
• Speedway Motors 91645139 38 Inch Rear Ladder Bars (42.8% similar) $198.99. (May 10th, 2025)
• Speedway Motors 91720159 Replacement Bushing For 917-20158 (39% similar) $22.99. (May 17th, 2025)
• Speedway Motors 9100722 Moose Blocks Pro Adjustable Set Up And Block Axle Adapters (32.6% similar) $229.99. (May 24th, 2025)
• Speedway Motors 91002036 Chrome Smoothie Clevis 5/8 Rh Thread 3/8 Slot And Hole (38.9% similar) The shank features 5/8 Rh fine threads. The chrome jam nuts threaded fine but to GE them in my rods, chasing was the only option. Rounded head of 3/8 cross bolt included blends smoothly into overall shape. Chrome plated finish. This, of course, removed some the plating surface. (June 14th, 2025)
• Speedway Motors 94055120-14 Titanium Jacobs Ladder Size 14 Inch (46.5% similar) $131.99. (July 24th, 2025)
• Speedway Motors Eag-pc-1125-bk Eagle Sprint 1.125 Inch Panhard Bar Clamp (45.2% similar) $48.99. (August 6th, 2025)
• Speedway Motors 91005400 Grease Zerk Fitting Assortment - 70 Piece (40.7% similar) $24.99. (September 6th, 2025)