SPEEDWAY MOTORS 577OP55 Volume Oil Pump Block 5/8

( Brand: Speedway Motors ), ( Type: Engine Oil Pumps ), ( Manufacturer Part Number: 577OP55 ), ( Material: Steel )

Review SPEEDWAY MOTORS Stock Volume Oil Pump 5/8 Pickup Chevy Small Block

The Speedway Motors 577OP55 Volume Oil Pump is specifically designed for use with Chevy small-block engines. This oil pump is an essential component of your engine's lubrication system, ensuring that your engine receives a consistent flow of oil for proper operation.

This pump features a 5/8 inch NPT threading, making it a direct replacement for many standard Chevy small-block oil pumps. The 577OP55 is a volume oil pump, which means it is designed to deliver a greater volume of oil under high engine RPMs than a standard pressure oil pump. This is particularly important for high-performance engines where increased oil flow is necessary to maintain optimal engine temperatures and prevent oil starvation.

The Speedway Motors 577OP55 Oil Pump is manufactured to OE (Original Equipment) specifications, ensuring a precise fit and reliable performance. The pump housing is made of durable cast aluminum, while the impeller and gear are made of high-strength materials for long-lasting performance. The pump also includes a new oil seal and gasket to ensure a leak-free installation.

This oil pump is easy to install, with clear installation instructions provided by Speedway Motors. The pump comes complete with all necessary hardware, including mounting bolts, gasket, and oil seal. The pump also includes a new pickup tube and fitting, ensuring a proper connection to your oil pan.

In summary, the Speedway Motors 577OP55 Volume Oil Pump is a high-quality, direct-fit replacement for Chevy small-block engines. Its volume oil pump design ensures adequate oil flow for high-performance applications, while its OE specifications ensure reliable performance and easy installation. With clear installation instructions and all necessary hardware included, this oil pump is an excellent choice for anyone looking to upgrade their Chevy small-block engine's lubrication system.

Buying a Speedway 577OP55 Volume Oil Pump for a 5/8 Chevy block comes with several pros and cons that every buyer should consider before making a purchase.

1. High Volume: This oil pump is designed to deliver a higher volume of oil than standard pumps, which can be beneficial for high-performance engines that require more oil to cool and lubricate effectively.

2. Durability: The Speedway 577OP55 is made from high-quality materials, including a cast aluminum housing and a billet steel gear, making it more durable than some stock oil pumps.

3. Easy Installation: The oil pump is designed to be a direct replacement for most stock pumps, making installation relatively straightforward.

4. Improved Performance: Increased oil flow can lead to improved engine performance, particularly in high-RPM applications.

1. Cost: The Speedway 577OP55 is more expensive than a stock oil pump, which may be a deterrent for some buyers.

2. Noise Level: Some users have reported that the pump runs louder than stock, which may be a concern for those who value a quiet engine.

3. Compatibility: While the pump is designed to fit most 5/8 Chevy blocks, it may not be compatible with all engines, particularly those with unique oiling systems.

The Speedway 577OP55 Volume Oil Pump offers several advantages over stock oil pumps, including increased volume, durability, and improved performance. However, it also comes with some drawbacks, such as a higher cost, potential noise level, and compatibility issues. Ultimately, the decision to purchase this oil pump depends on the specific needs and budget of the buyer.

If you have a high-performance Chevy engine that requires more oil to cool and lubricate effectively, or if you're tired of dealing with stock oil pump failures, the Speedway 577OP55 Volume Oil Pump may be a worthwhile investment. However, if you're on a tight budget or if you have an engine with a unique oiling system, you may want to consider other options. It's always a good idea to consult with a knowledgeable mechanic or engine builder to determine if this oil pump is the best fit for your specific application.

Details:

Compatible with 5/8-inch SBC oil pump pick-up tubes. Includes SBC oil pump gasket copper to main cap. Oil pressure preset at 55-65 psi.

I would buy this again. Works with stock SBC oil pump shaft bushing or aftermarket. Stock-style 1.200-inch long gear. Recommend brazing or TIG welding pickup to oil pump body for installation security.

Yes, I recommend this product. Specs Material Type Steel Sold in Quantity Each Oil Pump Volume Standard Pressure Driveshaft Included No MFG. Replacement and kit sold separately if needed. Standard volume pump for stock/mild SBC engine builds.

Part # 577OP55 Condition New Brand Speedway Motors Sold Each Details Info Meets or exceeds OEM SBC oil pump specs.

part #: 577op55 prices

• $40.99-$60.00

specifications pumppruner:

• for makes: Chevy
• brand: Speedway Motors
• type: Engine Oil Pumps
• manufacturer part number: 577OP55
• material: Steel

returns pumppruner:

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

general pumppruner:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Oil Pumps Parts

shipping pumppruner:

• cost: $13.99
• service: Economy, Expedited
• class: Economy, Expedited
• type: Fixed
• transit: 4-4 Days

payments pumppruner:

• credit card: Diners-club
• wallet: Apple-pay
• other

seller pumppruner:

• # reviews: 319926
• rating: 99.2%
• city: Lincoln, NE

offer pumppruner:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: April 3, 2025

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