31161212-B DART Engine Block Shp Pro Deck 125 Chevy

Review DART Engine Block Shp Pro Small Chevy 4.125 Bore 9.025 Deck for CHEVY 125

The Dart 31161212-B engine block is a high-performance cast iron block designed for Chevrolet small-block applications. This engine block is suitable for big bore and stroked applications, measuring 4.125 inches in bore and 9.025 inches in deck height. The block is precision machined, ensuring a perfect fit and finish.

The Dart 31161212-B engine block features a fully gasketed wet-sump oiling system, which ensures reliable and efficient lubrication. The block also includes a fully machined and balanced crankshaft flange for optimal crankshaft position sensor performance.

The deck surface is precision machined with a 45-degree angle deck, which allows for easy installation of aftermarket intake manifolds. The block also includes raised machining pads for the front and rear main oil seal installation, making it easier to install and seal the engine.

The Dart 31161212-B engine block is designed to work with a variety of aftermarket components, including forged pistons, high-performance connecting rods, and high-flow cylinder heads. It is also compatible with most Chevrolet small-block accessories, such as water pumps, oil pans, and timing covers.

The block is made from high-quality gray iron, which is known for its excellent strength and durability. The iron is also treated with a special molybdenum-rich coating, which helps to reduce heat transfer and improve the block's overall performance.

Overall, the Dart 31161212-B engine block is an excellent choice for those looking to build a high-performance Chevrolet small-block engine. Its precise machining, robust design, and compatibility with a wide range of aftermarket components make it a popular choice among engine builders and enthusiasts alike.

Pros and Cons of Buying Dart Engine Block SHP Pro Chevy 4.125 9.025 Deck

a. High-Performance Design: This engine block is specifically designed for high-performance applications, making it an excellent choice for those looking to build a powerful engine.

b. Durability: Dart blocks are known for their durability and strength, which is crucial for high-performance applications.

c. Versatility: The Dart 4.125 9.025 deck engine block is compatible with various Chevy engines and can be used in various applications, from street rods to racing engines.

d. Precision Machining: The engine block undergoes precise machining, ensuring a perfect fit and finish.

e. Lightweight: The engine block is lighter than many cast iron blocks, which can help reduce overall engine weight and improve performance.

a. Cost: The Dart Engine Block SHP Pro is more expensive than standard cast iron engine blocks, which may be a deterrent for some buyers.

b. Complexity: Building a high-performance engine using this engine block requires a certain level of expertise and experience, making it less suitable for beginners.

c. Limited Availability: This engine block may not be readily available at all auto parts stores, and special ordering may be required.

The Dart Engine Block SHP Pro Chevy 4.125 9.025 Deck is an excellent choice for those looking to build a high-performance Chevy engine. Its durability, strength, and precision machining make it a preferred option for many engine builders. However, its higher cost and complexity may make it less suitable for beginners or those on a tight budget.

If you're looking to build a high-performance Chevy engine and have the necessary experience and resources, the Dart Engine Block SHP Pro Chevy 4.125 9.025 Deck is an excellent investment. However, if you're a beginner or have a limited budget, you may want to consider a more standard cast iron engine block. Regardless, it's essential to do thorough research and consult with engine building experts to ensure that you make an informed decision.

Details:

Amazing service. Engine, shp pro, bare block, 4.125 inch bore, 9.025 deck, 350 mains, 4-bolt main, 2-piece seal, BBC camshaft iron, small block Chevy, each; block has cam bores, 0.904 lifter billet steel main caps, APR studs, 2-piece rear main, mains Rh dipstick.estimated weight 170 lbs. 24/7 online support. Dart 31161212-B engine block shp pro small Chevy 4.125 bore 9.025 deck free fast shipping.

Items installed are ineligible for return. Items damaged from shipping require photos too. Initially gaining fame for their purpose-built racing heads, Dart now also offers aluminum blocks and intakes, as well, all built with the legendary performance quality.

specifications engineblocksam:

• for models: 125
• for makes: Chevy
• brand: Dart
• mpn: 31161212-b
• type: Engine Block
• items included: Main Caps
• material: Cast Iron
• freight delivery: Reach Out For Custom Quote Price Could Be Cheaper
• item weight: 170 Lb
• country of origin: United States
• performance part: Yes
• upc: 807051003819

returns engineblocksam:

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

general engineblocksam:

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

offer engineblocksam:

• sold #: 12
• started: february 28, 2026
• price: $4439.99
• item condition: New
• in stock #: 1
• options: ship-to-home
• availability: in stock
• best offers: true

shipping engineblocksam:

• service: flat rate freight
• type: fixed
• class: freight

payments engineblocksam:

• credit card: diners-club
• wallet: paypal
• other

seller engineblocksam:

• city: tampa, florida
• rating: 99.8%
• # reviews: 8067