🔥 408ci Street King Long Block – Naturally Aspirated

💥 More Cubes. More Torque. More Excitement.

🔧 Overview

The 408ci Street King Long Block is built for enthusiasts who want serious naturally aspirated performance without compromise. Combining increased displacement with premium components and precision assembly, the 408 delivers exceptional torque, aggressive acceleration, and a broad powerband that pulls hard from idle to redline.

Positioned between the 383 and the flagship 416, the 408 offers the perfect balance of street manners and raw performance. The additional displacement produces noticeably stronger low-end and mid-range torque, making it an excellent choice for heavier vehicles, restomods, trucks, and high-performance street builds.

Whether you're looking for a tire-shredding weekend cruiser or a naturally aspirated powerhouse, the 408ci Street King delivers the kind of performance that puts a smile on your face every time you hit the throttle.

⚙️ Naturally Aspirated Performance

The 408ci Street King is engineered to maximize naturally aspirated horsepower and torque through increased displacement, optimized airflow, and carefully matched components. The result is an engine that delivers immediate throttle response, relentless torque, and strong top-end power without sacrificing reliability.

This combination is ideal for enthusiasts who want big-block-like torque in a modern LS package.

🔥 Performance Stages

Street Series – Refined Power

A powerful and reliable combination designed for customers who want excellent drivability with a substantial increase in horsepower and torque.

Features:

• Performance camshaft
• Upgraded valve springs
• Precision-machined cylinder heads
• Forged stroker rotating assembly
• Fully assembled long block

Expected Output:
500–550 HP / 520–580 TQ

Ideal For:

• Street cars
• Restomods
• Performance trucks
• Daily-driven performance builds

Street/Strip Series – Aggressive Power

Designed for enthusiasts who want a more aggressive personality, stronger acceleration, and increased naturally aspirated performance.

Features:

• Performance camshaft with noticeable lope
• Upgraded valvetrain package
• Performance cylinder head package
• Forged stroker rotating assembly
• Optimized airflow and compression

Expected Output:
550–650 HP / 560–620 TQ

Ideal For:

• Street/strip builds
• Weekend cruisers
• High-performance street cars

Dominator Series – Maximum Effort

The ultimate naturally aspirated 408ci Street King combination. Built for customers who demand maximum performance and uncompromising power.

Features:

• Aggressive performance camshaft
• Fully upgraded valvetrain system
• CNC-ported cylinder heads
• Premium forged rotating assembly
• Precision-balanced and blueprint assembled

Expected Output:
650–750 HP / 600–680 TQ

Ideal For:

• Serious street machines
• Pro-touring builds
• Maximum effort naturally aspirated applications

👑 Why Choose the 408ci Street King Long Block?

• Increased displacement for exceptional torque production
• Forged stroker rotating assembly
• Broad powerband with strong low-end and mid-range pull
• Excellent naturally aspirated horsepower potential
• Fully assembled long block ready for your intake and accessories
• Ideal balance between the 383 and 416 Street King combinations

⚠️ Important Notes

• Intake manifold, throttle body, fuel injectors, accessories, and engine management are not included
• All engines are built to order
• Professional tuning is required for optimal performance
• Final specifications may vary depending on vehicle application and supporting modifications

📋 Recommended Applications

✅ Naturally Aspirated Street Builds
✅ Restomods
✅ Pro-Touring Vehicles
✅ Performance Trucks
✅ Street/Strip Combinations
✅ High-Performance LS Swaps

Titan Engine Works 408ci Street King Long Block delivers the perfect combination of displacement, torque, and naturally aspirated performance. With its forged stroker foundation, premium components, and relentless power delivery, it's built for enthusiasts who want a serious LS engine that performs as good as it looks.