fits model: 2x4, 500, 454, 540, Dart.

( Part Type: Cap )
This is a high-performance billet big block cylinder head, specifically designed for use with a 10.2-inch deck height engine. The part number is 31263454, and it's compatible with engines that use BBC 502, 572, 598, 454, and 406 block configurations.
The cylinder head is made from billet aluminum, which offers superior strength and durability compared to cast aluminum or iron heads. The design features a 4-bolt main bearing cap, which provides increased clamping force and improved cylinder head sealing.
The intake port design is optimized for high-flow performance, with a large 4-500cc intake port and a 1.650-inch intake valve. The exhaust port is also designed for optimal flow, with a 2.000-inch exhaust valve and a 1.880-inch exhaust port.
The cylinder head also features CNC-machined combustion chambers, which provide a precise and consistent combustion area. The 2.100-inch intake valve lift and 1.600-inch exhaust valve lift provide ample valve movement for high-performance applications.
The cylinder head is also equipped with 1.650-inch roller rocker arms, which reduce friction and provide smooth valve operation. The valve springs are also high-performance, with a 1.650-inch diameter and a 0.625-inch wire diameter.
Overall, this billet big block cylinder head is a high-quality, high-performance component that is ideal for use in high-power applications. Its strong billet construction, optimized intake and exhaust ports, and high-performance valves and springs make it a standout choice for serious engine builders.
Pros of buying a 10.2x4.500 598 bbc 502 572 cap dart 454 540 31263454 billet big:1. High Performance: This type of engine is known for its high power output, making it ideal for high-performance vehicles or racing applications.
2. Durability: Billet engines are often made from high-quality materials, which can increase their durability and longevity.
3. Customizability: Since these engines are often custom-built, they can be tailored to meet specific performance needs and preferences.
4. Unique Design: Billet engines often have a unique, eye-catching design that can set a vehicle apart from others.
Cons of buying a 10.2x4.500 598 bbc 502 572 cap dart 454 540 31263454 billet big:1. High Cost: Billet engines are typically more expensive than stock or cast iron engines, which can make them a significant investment.
2. Technical Expertise Required: Installing and maintaining a billet engine can require specialized knowledge and skills, which may increase the overall cost of ownership.
3. Potential Compatibility Issues: Because these engines are often custom-built, they may not be compatible with all vehicle makes and models, which can limit their potential applications.
Conclusion: A 10.2x4.500 598 bbc 502 572 cap dart 454 540 31263454 billet big engine can offer high performance and durability, but it also comes with a high cost and potential compatibility issues. If you have the technical expertise and the budget, and if this engine type is compatible with your vehicle, it can be a worthwhile investment for high-performance applications. However, if you're looking for a more cost-effective or standard engine option, you may want to consider other options.
Rear main cap uses standard oil pump and two piece seal no adapter required. Ready to go into your engine today, skip the BS and order from a stocking dealer.
Not drop shipped, not back ordered.
Ad performance Dart bbc 454 big m billet 4 bolt cap race block, oil filter pad is drilled and tapped for an external oil pump.
Overview with multiple deck height and bore sizes up to tall gen vi lifters. Dual oil pan bolt patterns fit standard and notched oil pans bolt billet steel main caps have splayed outer bolts for extra strength.
Coated cam bearings, freeze plugs and dowels are included tall deck bbc 454 Chevy deck height 4. Our stepped main oil gallery to 1/2 to increases the flow of oil to the crank at high rpm, and our front oil crossover eliminates internal oil leaks around the distributor shaft. A true priority main oiling system oils the main bearings before the lifters for extra reliability.
Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures. Mechanical fuel pump boss, clutch linkage mounts, and side and front motor mounts simplify installation in any chassis.
These blocks are in stock on our shelves. Perfect block for your street strip, boosted, notorious, high hp Na, marine or other race application.
Modification for gen iv available. True priority main oil system lubricates the main bearings before the lifters.
Features standard 10.