194171351 CHEVROLET Lsx Cast Iron Block Semi Finish Dh

Review CHEVROLET Lsx Cast Iron Block Semi Finish 9.260 Dh

The Chevrolet 194171351 and 19417351 LSX Cast Iron Block represent a significant investment for automotive enthusiasts and professional builders seeking high-performance engine components. This cast iron block, semi-finished, is designed to accommodate the famous LSX engine series, a popular choice for hot rods, custom builds, and high-performance applications.

The LSX cast iron block is characterized by its robust construction and exceptional durability. Cast iron is known for its superior strength and heat dissipation capabilities, making it an ideal material for engine blocks. This particular block is semi-finished, meaning it has undergone some machining processes but still requires further work to be completed by the builder or engine shop.

The block's deck height is 9.260 inches, ensuring compatibility with specific LSX engine combinations and performance goals. Its design features a rectangular bore pattern, with bore centers measuring 4.000 inches on center for both main and rod bores. The main bore size is 4.060 inches, and the rod bore size is 4.000 inches. The block's deck surface has been machined to provide a flat, smooth, and precision finish, ensuring optimal mating surfaces for cylinder heads and other engine components.

Additional features of the LSX cast iron block include a deep-skirt design, which helps to reduce vibration and improve overall engine stiffness. The block also includes a bolt pattern for a front sump oil pan, as well as provisions for a dry-sump oiling system for those seeking maximum performance.

In summary, the Chevrolet 194171351 and 19417351 LSX Cast Iron Block is a semi-finished engine component designed for high-performance LSX engine builds. Its robust cast iron construction, compatibility with specific LSX engine combinations, and precision machining make it an excellent choice for automotive enthusiasts and professional builders seeking to create a powerful and reliable custom engine.

The Chevrolet LSX cast iron block is a popular choice among automotive enthusiasts for building high-performance engines. Here are some pros and cons of buying this particular casting number, 194171351 and 19417351, for your project:

1. Cast Iron Construction: The use of cast iron for the engine block provides excellent strength and durability. It can handle high compression ratios and large horsepower output.

2. Semi-Finish: The semi-finish condition of the block means that it has been machined to a degree but still requires some additional work to be done, such as boring and honing, to achieve the desired engine specifications. This allows for greater flexibility in customizing the engine to your specific needs.

3. Availability: The LSX engine block is a popular choice, making it readily available from various suppliers and at reasonable prices.

4. Compatibility: The LSX engine block is compatible with a wide range of accessories and components, making it a versatile choice for various engine builds.

1. Additional Machining: Since the block is in a semi-finish condition, it requires additional machining work to be done before it can be used in an engine. This can add to the overall cost and time of the project.

2. Weight: Cast iron is a heavier material compared to aluminum, which can affect the overall weight and performance of the engine.

3. Cost: While the cost of the block itself may be reasonable, the additional machining and assembly costs can add up quickly.

In conclusion, the Chevrolet LSX cast iron block, 194171351 and 19417351, is a strong and durable choice for building high-performance engines. Its semi-finish condition allows for greater flexibility in customizing the engine to your specific needs, but it also requires additional machining work and can add to the overall cost and time of the project. If you are looking for a versatile and strong engine block for your project, this may be a good choice for you. However, it is important to carefully consider the additional costs and time involved in the project before making a final decision.

If you are considering purchasing the Chevrolet LSX cast iron block, 194171351 and 19417351, it is recommended to thoroughly research the additional machining and assembly costs involved in the project. You may also want to consider seeking out the services of a professional engine builder to ensure that the block is properly machined and assembled to meet your specific engine build requirements. Additionally, consider the benefits and drawbacks of cast iron construction and the additional weight compared to aluminum blocks to determine if this is the best choice for your project.

Details:

Bought for a project and decided on different direction. Comes with the included package of special plugs/seal/plate for lsx. Cam be bored to 4.200. As it came from gm.

Selling a new Chevrolet 19417351 lsx cast iron block - semi finish 9.260 dh 3.880 bore.

specifications engineblocksam:

• brand: Chevrolet
• mpn: 194171351
• type: Engine Block
• manufacturer warranty: Lifetime
• material: Cast Iron
• country/region of manufacture: United States
• item weight: 250
• california prop 65 warning: Yes

shipping engineblocksam:

returns engineblocksam:

• policy: no returns

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks

seller engineblocksam:

• # reviews: 306
• rating: 100.0%
• city: hollywood, florida

payments engineblocksam:

• credit card: diners-club
• other
• wallet: apple-pay

offer engineblocksam:

• prices: $2699.99–$2722.99
• item condition: New
• options: ship-to-home
• availability: in stock
• started: september 29, 2025
• sold #: 16
• in stock #: 5