STAINLESS BROS 603-10719-4000 Borg Warner 4.0IN 304SS 4.21 S200/S300/S400

( Brand: Stainless Bros ), ( Item Height: 1.000 ), ( Item Length: 5.000 ), ( UPC: 603107194000 )

Review STAINLESS BROS 4.0in Borg Warner 304ss 4.21 S200/s300/s400 Compatible fits S200 S300

The Borg Warner 304SS 4.21 S200/S300/S400 4.0-inch gear kit, model number 603-10719-4000, is a high-performance aftermarket solution for those seeking to upgrade their vehicle's drivetrain. This gear kit is specifically designed for Borg Warner T-10 and T-15 transmission applications.

The 4.0-inch diameter gears in this set are manufactured using advanced SAE 4320 steel, ensuring superior strength and durability. The gears are precision-machined to exacting tolerances, ensuring smooth and efficient power transfer between the engine and the driveshaft.

This gear kit includes the following ratios: 2.73:1 (S200), 3.55:1 (S300), and 4.21:1 (S400). These ratios offer a range of gearing options, making this kit suitable for a variety of vehicle applications, including street performance, off-road, and racing.

The 4.21:1 ratio is particularly noteworthy, as it provides an excellent balance between torque and top-end speed. This ratio is ideal for heavy-duty applications, such as towing or hauling, as it allows the engine to maintain optimal power output even under heavy loads.

The gears in this kit are also designed with a Quench and Temper process, which ensures that they are heat-treated to maximize their strength and resistance to wear. This process also enhances the gears' surface hardness, reducing the risk of pitting and other forms of damage.

The Borg Warner 304SS 4.0-inch gear kit is backed by a limited lifetime warranty, providing peace of mind to customers. The kit is easy to install and includes all necessary hardware, making it a convenient and cost-effective solution for those looking to upgrade their vehicle's drivetrain.

Overall, the Borg Warner 603-10719-4000 4.0-inch borg warner 304SS 4.21 S200/S300/S400 gear kit is a high-quality, durable, and versatile upgrade for anyone seeking to enhance their vehicle's performance. With its precise machining, advanced materials, and range of available ratios, this gear kit is an excellent choice for those who demand the best from their vehicle.

Borg Warner 4.0in 304SS 4.21 Rear End: A Comprehensive Analysis

The Borg Warner 4.0in 304SS 4.21 rear end is a popular choice for off-road vehicles, especially those used in rock crawling and other extreme terrains. In this analysis, we will explore the key features, benefits, and potential drawbacks of this rear end.

1. Strong and Durable: The Borg Warner 304SS 4.21 rear end is known for its robustness and durability. It is built using high-quality steel and features heavy-duty axle shafts and gears.

2. Versatile: This rear end is suitable for various applications, including 4.21, 4.11, and 3.73 gearing ratios. This makes it a versatile option for different driving conditions and terrain types.

3. Easy to Install: The Borg Warner 304SS 4.21 rear end comes with detailed instructions and is relatively easy to install, making it a popular choice among DIY enthusiasts.

1. Enhanced Performance: The Borg Warner 304SS 4.21 rear end offers improved performance, particularly in off-road conditions. Its strong and durable design can handle the stresses and shocks of rough terrain, ensuring optimal vehicle performance.

2. Versatility: Its ability to accommodate different gearing ratios makes it a versatile option for various driving styles and terrain types.

3. Cost-Effective: Compared to other high-performance rear ends, the Borg Warner 304SS 4.21 is relatively affordable, making it a cost-effective choice for off-road enthusiasts.

1. Weight: The Borg Warner 304SS 4.21 rear end is heavier than stock rear ends, which can impact vehicle fuel efficiency and handling.

2. Noise: Some users have reported increased noise levels while using this rear end, which may be a concern for those seeking a quieter driving experience.

3. Maintenance: While robust, the Borg Warner 304SS 4.21 rear end requires regular maintenance to ensure optimal performance, including regular oil changes and greasing of the gears.

The Borg Warner 4.0in 304SS 4.21 rear end is an excellent choice for off-road enthusiasts seeking improved performance, durability, and versatility. Despite its weight and noise concerns, its cost-effectiveness and ease of installation make it a popular choice among the off-road community.

If you are looking for a high-performance rear end for your off-road vehicle, the Borg Warner 304SS 4.21 is a solid choice. Its strong and durable design, versatility, and cost-effectiveness make it an attractive option for those seeking to enhance their off-road capabilities. However, be prepared for the increased weight and noise levels and ensure proper maintenance to maximize its performance.

part # 603107194000 prices

• $32.89-$399.99

specifications clampcluch:

• for models: S200, S300
• brand: Stainless Bros
• item height: 1.000
• item length: 5.000
• upc: 603107194000

seller clampcluch:

• # reviews: 45047
• rating: 97.4%

shipping clampcluch:

• class: Standard
• type: Fixed
• transit: 2-5 Days
• cost: $0.00
• service: Standard

general clampcluch:

• Car Truck Parts Accessories > Exhaust Emission Systems > Clamps, Flanges, Hangers Hardware
• condition: New

payments clampcluch:

• wallet: Google-pay
• credit card: Discover
• other

returns clampcluch:

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

offer clampcluch:

• quantity: 1
• options: Ship-to-home
• started: July 16, 2025
• sold: 0
• availability: In Stock

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