DM-3274 DEEPMOTOR Cnc Cast Iron Engine Block Lsx

Review DEEPMOTOR Cnc Machined Cast Iron Engine Block For Lsx 4.000 Bore 6-bolt Orange

The Deepmotor DM-3274 CNC cast iron engine block is a high-performance aftermarket solution designed specifically for LSX 4.000 applications with a deck height of 9.240 inches and a 6-bolt main cap configuration. This engine block is meticulously crafted using advanced CNC machining technology to ensure the highest level of precision and accuracy.

The DM-3274 engine block is made from premium cast iron material, which is known for its exceptional strength and durability. The cast iron construction provides superior heat dissipation capabilities, making it an excellent choice for high-performance applications. The block has a deep skirt design that increases rigidity and enhances the overall engine's stability.

This engine block features a square bore design, which measures 4.000 inches, and is designed to accommodate aftermarket forged pistons. The cylinder bores have been precision machined to ensure a perfect fit for the piston rings and to provide a flat and smooth surface for optimal engine performance. The oversized main bearing caps provide added strength and rigidity to the block, ensuring that the engine can withstand the demands of high-performance applications.

The DM-3274 engine block comes with 6-bolt main cap configuration, which is a popular choice for high-performance applications due to its increased clamping force. The block also features a 4-bolt, cross-bolted main cap design, which further enhances the block's rigidity and durability. The block's deck surface is machined flat and smooth, ensuring a perfect seal between the head gasket and the block, which is essential for optimal engine performance.

The block's water jackets have been meticulously designed to provide optimal cooling performance, ensuring that the engine stays cool even under the most demanding conditions. The block also features a deep sump design, which provides an ample oil capacity to ensure that the engine receives a consistent oil supply, even during hard acceleration.

In summary, the Deepmotor DM-3274 CNC cast iron engine block is a high-performance aftermarket solution designed for LSX 4.000 applications with a deck height of 9.240 inches and a 6-bolt main cap configuration. The block's advanced CNC machining technology, premium cast iron construction, deep skirt design, oversized main bearing caps, and optimal cooling performance make it an excellent choice for high-performance applications where strength, durability, and precision are essential.

Pros and Cons of Buying a Deep Motors DM-3274 CNC Cast Iron Engine Block for LSX 4.000 DH-9.240 6-Bolt

a. Precision Engineering: The Deep Motors DM-3274 engine block is CNC machined, ensuring high accuracy and consistency in the engine's internal dimensions. This can lead to improved engine performance and reliability.

b. Cast Iron Material: The use of cast iron for the engine block offers several advantages, such as superior strength, durability, and resistance to thermal shock. This material is ideal for high-performance applications.

c. 6-Bolt Main Bearing Cap: The 6-bolt main bearing cap design provides better clamping force and increased strength compared to 4-bolt designs. This can result in improved engine stability and reduced crankshaft deflection.

d. DH-9.240 Deck Height: The DM-3274 engine block has a deck height of DH-9.240, which is suitable for various high-performance LSX applications.

a. Cost: The Deep Motors DM-3274 CNC cast iron engine block is more expensive than stock or aftermarket cast iron blocks. This may be a significant consideration for some buyers.

b. Complexity: The high precision and engineering involved in the manufacturing of the DM-3274 engine block may make the installation process more challenging and time-consuming compared to a stock or aftermarket engine block.

c. Potential for Overboring: Since the engine block is CNC machined, there is a risk of overboring if not properly aligned or machined during installation. This can lead to engine damage and reduced performance.

The Deep Motors DM-3274 CNC cast iron engine block for LSX offers several advantages for high-performance applications, including precision engineering, superior strength, and a suitable deck height. However, it comes with a higher cost, complexity, and potential risks compared to stock or aftermarket engine blocks.

If you are building a high-performance LSX engine and are looking for a cast iron engine block with excellent strength, durability, and precision, the Deep Motors DM-3274 CNC cast iron engine block could be an excellent choice. Ensure that you have the necessary skills, tools, and experience to install the engine block properly to minimize the risks associated with its high precision and complexity. Additionally, consider your budget and whether the potential benefits justify the higher cost.

Details:

Engine - lsx bare block 4.000 in bore 9.240 deck standard main 6-bolt 1 piece seal head iron orange gm ls-series each. 4.000'' finished bore. Deck plate honed. Production-style deep-skirt head bolt holes.

Billet-steel mail caps. Cnc-machined cast-iron block. Front motor plate mounting holes added. Deck height 9.240'' production.

Accommodates all ls oil pump and pans. Maintains production exterior accessory mounting provisions. Looking forward your messages. Extra-thick Siamese cylinder bores.

Wet-sump and dry-sump oiling capability. Align-honed main bearings. Max stroke 4.25. External oil pump feed rear of block.

specifications engineblocksam:

• brand: Deepmotor
• mpn: Dm-3274
• type: Engine Block

offer engineblocksam:

• options: ship-to-home
• in stock #: 1
• best offers: true
• sold #: 11
• price: $2499.99
• item condition: New
• availability: in stock
• started: december 8, 2025

seller engineblocksam:

• rating: 99.6%
• city: rancho cucamonga, california
• # reviews: 11160

shipping engineblocksam:

• transit: 3-9 days
• type: fixed
• service: fedex ground / fedex home delivery
• class: standard
• carrier: fedex

payments engineblocksam:

• credit card: discover
• wallet: apple-pay
• other

general engineblocksam:

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

returns engineblocksam:

• policy: returns accepted
• time: 30 days
• paid by: seller