917950-43 SPEEDWAY MOTORS Gear Set

Review SPEEDWAY MOTORS Premium Lightweight Quick Change Gear Set #43 16/25 Teeth

The Speedway 917950-43 Gear Set is a high-quality addition to any automobile or industrial equipment that requires a 16/25 gear ratio. This gear set, manufactured by Speedway Motors, is meticulously crafted to provide exceptional durability and reliable performance.

The set includes six gears: three idler gears and three drive gears. The gears are made of precision-machined steel, ensuring they fit perfectly and are able to handle heavy loads. The teeth on each gear are meticulously cut to ensure a positive engagement and smooth operation.

The gear set is designed for use in applications where a 16/25 gear ratio is required. This ratio is commonly used in automobile transmissions, particularly in racing applications, as well as in industrial equipment such as conveyor systems and pumps.

Each gear in the set is carefully inspected and tested to ensure it meets the highest standards for quality and precision. The gears are then coated with a protective finish to prevent corrosion and extend their lifespan.

Installing the Speedway 917950-43 Gear Set is a straightforward process. The gears are marked with clear identification numbers to make installation easy and error-free. Additionally, the set comes with all necessary hardware for installation, including bolts and washers.

The Speedway 917950-43 Gear Set is an excellent choice for those seeking a reliable and durable gear set for their automobile or industrial equipment. Its precision machining, high-quality materials, and protective finish make it a top performer in even the most demanding applications. Whether you're a seasoned mechanic or a DIY enthusiast, this gear set is sure to meet your needs and exceed your expectations.

Pros and Cons of buying a Speedway 917950-43 Gear Set (16/25)

The Speedway 917950-43 Gear Set is a popular choice among cyclists for its durability and affordability. In this analysis, we will discuss the advantages and disadvantages of purchasing this gear set to help you make an informed decision.

1. Affordability: One of the primary reasons for the Speedway 917950-43 Gear Set's popularity is its affordability. Compared to higher-end gear sets, this one offers excellent value for the price.

2. Durability: The Speedway 917950-43 Gear Set is known for its durability. Its steel construction ensures that it can withstand the rigors of regular cycling without showing signs of wear and tear.

3. Wide Gear Range: With a 16/25 gear ratio, this set offers a wide range of gears, making it suitable for various terrains and riding styles.

4. Smooth Shifting: The Speedway 917950-43 Gear Set facilitates smooth and consistent shifting, ensuring a comfortable and efficient riding experience.

1. Weight: The steel construction of the Speedway 917950-43 Gear Set adds to its weight, making it less appealing to weight-conscious cyclists.

2. Maintenance: While the steel construction makes the gear set durable, it also requires more frequent maintenance compared to lighter, more expensive materials.

3. Compatibility: This gear set may not be compatible with all bicycle models, so it's essential to check its compatibility before making a purchase.

The Speedway 917950-43 Gear Set (16/25) offers a great balance between affordability, durability, and performance. Its wide gear range, smooth shifting, and robust construction make it an excellent choice for budget-conscious cyclists looking for a reliable and efficient gear set. However, its weight and increased maintenance requirements are factors to consider before making a purchase.

If you are a budget-conscious cyclist looking for a durable and efficient gear set with a wide gear range, the Speedway 917950-43 Gear Set (16/25) is an excellent choice. However, if you prioritize weight and low maintenance, you may want to consider investing in a more expensive, lighter gear set. Ultimately, the decision depends on your personal preferences and riding style.

Details:

Lighter the part better. But you can make the most of that horsepower by reducing weight in driveling. Rem finished polished surfaces and crown shaved profile teeth provide better tooth contact which means reduced friction, longer life cooler running, not only makes these perfect for the demands of racing, but also make a great complement to quick-change street setup - finish quieter running rear-end. Lightweight gears are perfect for limited power such as crate engines to give quicker spin up time and maximum transfer.

The smaller gear has not been undercut or drilled on the following sets. Look new after several runs. Headquarters. Definitely going to buy more when I need them.

I would order again if needed. See installation tips for details. But theres one more place where you can get an advantage: the rear end quick change gears. I'm a big guy and this product is light but very stronger.

8620 alloy steel stands up to the demands of high horsepower engines and large tires. Less weight and reduced friction surfaces means more power to the ground: rotating mass means more power goes tires. Lighter then standard gears and nicely made. Track tested 8620 steel stands up to the competition: high demands are placed on the quick change gears of rear ends but Speedway motors has found a lightweight answer.

Available in a large number of gear ratios to fine tune the track conditions or your street applications. Lightweight 10-spline gears feature reduced rotating weight which is ideal for limited power such as crate engines, constructed from high strength 8620 alloy steel making them suitable use in hp cars with bigger tires, rem polished surface reduces friction and extends gear life, quick change have crown shaved profile teeth maximum contact, note: some ratios offered at price due to small set not being drilled and/or lightened. Our lightweight gears are perfect for high-horsepower applications with large tires.

Suitable for 410 sprint cars, 360 305 modified, open late model's and crate. Rem polished surfaces and crown shaved profile teeth reduce friction, run cooler longer deliver maximum tooth contact. Polished surfaces run quieter, making for an excellent gear option a street quick change rear end. Yes, I recommend this product.

Competition driveshafts and lightweight ring pinions can reduce rotating mass, making starts quicker more of that power it to the rear wheels. Premium lightweight quick change gears are drilled to reduce rotating weight, deliver the most power ground.

specifications differentialsdepo:

• brand: Speedway Motors
• mpn: 917950-43
• type: Quick Change Gears
• item length: 8.40
• california prop 65 warning: True

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

payments differentialsdepo:

• other
• credit card: discover
• wallet: apple-pay

offer differentialsdepo:

• price: $142.99
• item condition: New
• options: ship-to-home
• started: february 25, 2026
• availability: in stock
• sold #: 11

shipping differentialsdepo:

• service: economy, expedited
• class: economy, expedited
• type: fixed
• transit: 5-5 days

returns differentialsdepo:

• time: 30 days
• paid by: seller
• policy: returns accepted

seller differentialsdepo:

• rating: 99.7%
• # reviews: 350893
• city: lincoln, nebraska