MARINE PRO 2-5057HBS Gm Head Bolt Set Engine 305/5.0L 350/5.7L N/a

( Brand: Marine Pro ), ( Manufacturer Part Number: 2-5057HBS ), ( Part Type: Head Bolt Engine )

Review MARINE PRO Nib Gm 305/5.0l And 350/5.7l Head Bolt Set Qty Per Engine fits MERCRUISER 305 350

Introducing the Marine Pro 2-5057HBS Head Bolt Set, specifically designed for Mercruiser engines with GM 305/5.0L and 350/5.7L powerheads. This high-performance bolt set is an essential upgrade for any marine enthusiast seeking optimal engine performance and reliability.

The Marine Pro 2-5057HBS Head Bolt Set is meticulously crafted using only the finest materials. Each bolt is made from premium grade, heat-treated steel, ensuring superior strength and durability. The bolts feature a unique helical thread design, which provides increased clamping force and reduces the potential for thread damage during installation or engine operation.

This set includes all necessary head bolts for your Mercruiser engine, each bolt precisely measured and manufactured to meet or exceed original equipment specifications. The bolts are also pre-torqued to ensure proper seating and even distribution of force, enhancing engine compression and reducing the risk of head gasket failure.

The Marine Pro 2-5057HBS Head Bolt Set is designed for use with both freshwater and saltwater applications. The bolts are corrosion-resistant, ensuring they can withstand the harsh marine environment and maintain their strength and functionality over time. Additionally, the set includes new gaskets, ensuring a perfect seal between the cylinder head and engine block.

Installation is a breeze, thanks to the included installation instructions and torque wrench recommendations. With the Marine Pro 2-5057HBS Head Bolt Set, you can trust that your Mercruiser engine is in good hands. This upgrade provides not only improved performance but also increased peace of mind, knowing that your engine is equipped with the highest quality components.

In summary, the Marine Pro 2-5057HBS Head Bolt Set is an essential upgrade for any Mercruiser engine with GM 305/5.0L or 350/5.7L powerheads. These premium-grade, heat-treated steel bolts offer superior strength, durability, and corrosion resistance. With their unique helical thread design, precise manufacturing, and inclusion of new gaskets, this set is a must-have for any marine enthusiast seeking optimal engine performance and reliability.

Buying a marine engine head bolt set, specifically the Marine Pro 2-5057HBS for Mercruiser GM 305/5.0L and 350/5.7L engines, comes with its own set of advantages and disadvantages.

1. OEM Quality: This bolt set is an original equipment manufacturer (OEM) part. Using OEM parts ensures that the components are designed to function optimally with your engine and meet the manufacturer's specifications.

2. Enhanced Performance: High-quality head bolts can contribute to improved engine performance. They help maintain proper head gasket sealing, enabling even cylinder compression and proper fuel-air mixture for better power output.

3. Peace of Mind: Purchasing OEM parts like this head bolt set can provide peace of mind, knowing that you're using genuine components from the engine manufacturer.

1. Cost: OEM parts can be more expensive compared to aftermarket alternatives. However, the additional cost may be worth it for the peace of mind and potential performance benefits.

2. Availability: Depending on the specific engine model and availability, it may take some time to source and receive the OEM head bolt set.

In conclusion, buying the Marine Pro 2-5057HBS head bolt set for your Mercruiser GM 305/5.0L and 350/5.7L engines comes with advantages like OEM quality, enhanced performance, and peace of mind. The disadvantages include the higher cost and potential availability issues. Ultimately, the decision to purchase this head bolt set depends on your budget, engine requirements, and personal preferences. If you prioritize OEM quality and potential performance benefits, this bolt set is a recommended choice. If cost is a significant concern, you may want to consider aftermarket alternatives.

Details:

Condition: New. HAZARDOUS PRODUCTS HAZMAT: 1 Carriers charge extra to ship packages with Products they consider hazardous, such as oils, paints, and primers. NIB Mercruiser GM 305/5.0L 350/5.7L Head Bolt Set Qty Per Engine N/A: Thumbnails to: PRODUCT SPECIFICATIONS: Brand: Marine Pro. Boat Outboard Engine Parts.

Manufacturer PN: 2-5057HBS. Engine Maintenance Parts. MPN: 2-5057HBS. Below the price of item.

Boat Inboard I/O Engine Parts.

part #: 25057hbs prices

• $35.00-$239.54

specifications intengster:

• for models: 305, 350, Mercruiser
• brand: Marine Pro
• mpn: 2-5057hbs
• part type: Head Bolt Engine

offer intengster:

• sold: 0
• started: October 14, 2025
• options: Ship-to-home
• availability: In Stock

shipping intengster:

• service: USPS First Class, USPS Priority Mail, UPS Ground, USPS Priority Mail Express
• carrier: USPS, UPS
• transit: 4-11 Days
• class: Standard, Expedited
• cost: $6.37
• type: Calculated

returns intengster:

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

general intengster:

• condition: New
• Boat Parts > Sterndrive Motors Components > Internal Engine Parts

seller intengster:

• rating: 98.7%
• city: Hollywood, Florida
• # reviews: 73312

payments intengster:

• credit card: Discover
• wallet: Paypal
• other

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