IMPROVED RACING EGM-501 Gm Iv Ls Billet Rear Passage Plug Oil Diverter Barbell

( Brand: Improved Racing ), ( Manufacturer Part Number: EGM-501 ), ( Part Type: Oil Plug ), ( Container Type: Pouch ), ( Automotive Fit Type: Vehicle Specific Fit ), ( Compatible With Vehicle Type: Gen Iii And Iv Gm Ls Series Engines ), ( Oem Equivalent Part Number: 12573460 ), ( Material: 6061-t6 Aluminum, Viton O-rings ), ( Unit Count: 1.0 ), ( Package Dimensions Lxwxh: 4.84x3.78x0.63 Inches ), ( Weight: 0.04 Pounds )

Review IMPROVED RACING Gm Gen And Iv Ls Billet Rear Passage Plug Oil Diverter Barbell

The Racing EGM-501 GM Gen IV LS Billet Rear Passage Plug Oil Diverter Barbell is a high-performance, precision-engineered component designed for enhancing the oil management system in LS-based GM engines. This billet aluminum piece is a direct replacement for the factory oil diverter valve, offering improved flow dynamics and durability.

Crafted from a solid block of 6061-T6 aluminum, the EGM-501 is CNC-machined to exacting standards, ensuring a perfect fit and a flawless finish. Its billet construction not only provides a superior strength-to-weight ratio but also allows for intricate design details, such as the integrated oil diverter passages.

The Racing EGM-501 features rear passage plug oil diverter capabilities, which help to redirect excess oil away from the valvetrain and towards the oil pan, reducing the risk of oil-related engine damage under high-load conditions. This billet diverter barbell is designed to work seamlessly with stock oil pans, as well as aftermarket options.

The Racing EGM-501 is a direct fit for GM LS engines, including the 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L variants. Its drop-in design makes for an easy installation process, requiring no modifications to the engine block or oil pump. The EGM-501 is an essential upgrade for any LS engine builder seeking improved oil management and increased durability.

In summary, the Racing EGM-501 GM Gen IV LS Billet Rear Passage Plug Oil Diverter Barbell is a top-quality, billet aluminum component that offers improved oil management, durability, and ease of installation for LS-based GM engines.

The EGM-501 GM Gen IV LS Billet Rear Passage Plug Oil Diverter Barbell is a performance part designed to enhance the oil management system in your engine, specifically in high-performance applications. Here are some pros and cons to consider before purchasing:

1. Enhanced Oil Management: The diverter barbell helps to improve oil control during high-rpm and high-load situations, reducing the risk of oil starvation and engine damage.

2. Improved Power Delivery: By ensuring consistent oil flow, the diverter barbell can help to improve engine performance and power output.

3. Durability: Made from billet aluminum, the EGM-501 is designed to withstand the rigors of high-performance applications.

4. Aesthetics: The billet aluminum design gives your engine a unique, high-performance look.

1. Cost: As a high-performance part, the EGM-501 is more expensive than OEM parts.

2. Installation Complexity: Installing the EGM-501 requires a certain level of mechanical expertise and may require additional tools.

3. Potential for Noise: Some users have reported increased engine noise with the use of the EGM-501, which may be due to the change in oil flow dynamics.

4. May Not be Necessary for Every Application: If you're not planning on pushing your engine to its limits, the benefits of the EGM-501 may not outweigh the costs.

In conclusion, the EGM-501 GM Gen IV LS Billet Rear Passage Plug Oil Diverter Barbell is a high-quality, performance-enhancing part that can provide significant benefits in high-performance applications. However, it comes with a higher cost, installation complexity, and potential for increased noise. Whether or not it's worth the investment depends on your specific needs and the expected usage of your vehicle. If you're planning on pushing your engine to its limits, the EGM-501 could be a valuable addition. If not, it may be best to stick with OEM parts.

Details:

Precision CNC-machined from billet 6061-T6 aluminum with Viton O-rings. Double O-ring design seal positively seals the oil gallery passage. Threaded M4x0.7 hole allows for easy removal from engine block. Direct replacement for plastic OEM barbell plug on GM LS Gen III IV engines.

Made in the USA. Improved Racing designed this billet aluminum rear galley plug commonly known as the barbell for Gen III and IV GM LS series engines to improve oil flow completely eliminate dirty engine from bypassing filter. This part is recommended for replacing the plastic OEM plug in any engine build. A threaded hole was added so that the barbell can be easily removed with any M4x0.7 screw.

GM Gen III IV LS Billet Rear Passage Plug Oil Diverter Barbell: Improves oil flow and completely eliminates dirty engine from bypassing the filter. Sharp corners were avoided and machined as smooth fillet's to improve oil flow, while the bluenose tip helps flow filter. Improved Racing's barbell features a second O-ring that completely seals off the dirty oil from clean oil, forcing 100% of flow through filter.

part #: egm501 prices

• $41.89-$52.14

specifications automobilefluids:

• brand: Improved Racing
• mpn: Egm-501
• part type: Oil Plug
• container type: Pouch
• automotive fit type: Vehicle Specific Fit
• compatible with vehicle type: Gen Iii And Iv Gm Ls Series Engines
• oem equivalent part number: 12573460
• material: 6061-t6 Aluminum, Viton O-rings
• unit count: 1.0
• package dimensions lxwxh: 4.84x3.78x0.63 Inches
• weight: 0.04 Pounds

offer automobilefluids:

• availability: In Stock
• started: December 5, 2025
• sold: 0
• quantity: 2
• options: Ship-to-home

shipping automobilefluids:

• type: Fixed
• cost: $0.00
• class: Standard
• service: UPS Ground
• transit: 3-6 Days
• carrier: UPS

seller automobilefluids:

• rating: 97.8%
• # reviews: 261
• city: Chicago, Illinois

payments automobilefluids:

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

general automobilefluids:

• Automotive Tools Supplies > Fluids Chemicals > Motor Oil
• condition: New

returns automobilefluids:

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

Improved Racing EGM-501 Is Similar To:

• Gunk 22045 2 Pack Oil Optomizer Engine Treatment Improved Wear Resistance 12oz (21.4% similar) 2 pack gunk oil optimizer engine treatment Improved wear resistance 12OZ...(January 23rd, 2025)
• Ceramizator 903271852017 Cs-b Engine Oil Additive For Gas Engines Improved Performance (17% similar) Reduces oil consumption smooths and quiets the engine operation risk of failure fuel increases power, torque, efficiency, dynamics provides protection for 60,000 miles these products are ideal both new older vehicles. Application instructions: 1 start and warm up the engine to 80-90% operating ...(March 9th, 2025)
• Lucas Oil Luca10712 Sae 50 Motorcycle 1 Quart For Improved Performance And Protection (22.6% similar) Lucas oil 10712 sae 50 motorcycle - 1 quart. Longer component life. Meets or exceeds: API sag / sf cc CD, Jason ma MA-2, aces A3. All Lucas motorcycle oils meet Jason specifications. Lower oil temperatures. Longer oil life...(February 25th, 2026)