CHARISMATIC RACING CONCEPTS CRC-CYLHSBC350 Box Performance Cylinder Block Engine

( Brand: Charismatic Racing Concepts ), ( Manufacturer Part Number: CRC-CYLHSBC350 ), ( Part Type: Aluminum Box Cylinder Block Engine ), ( Color: Metallic ), ( Fitment Type: Performance/custom ), ( Material: Aluminum ), ( Finish: Bare ), ( California Prop 65 Warning: This Product Contains Chemicals Known To The State. ), ( Notes: Open Box Item; Ships In Original Factory Packaging )

Review CHARISMATIC RACING CONCEPTS Open Box Performance Aluminum Cylinder Small Block Sbc Chevy Engine fits 350

The **Charismatic Racing Concepts (CRC) CylHS-BC350 Box Performance Cylinder Block** for the legendary 350 cubic-inch Chevy V8 engine represents a masterful fusion of heritage engineering and cutting-edge performance innovation, meticulously crafted for enthusiasts who demand nothing less than absolute dominance on the track and uncompromising reliability on the road. Designed with a deep reverence for the iconic small-block Chevy architecture that has powered generations of muscle cars, dragsters, and street machines, this block is a testament to CRC s relentless pursuit of precision and power. Built from a single, high-integrity billet aluminum casting, the CylHS-BC350 features a **fully balanced, high-strength design** with optimized wall thickness and internal geometry to maximize rigidity while minimizing weight, ensuring that every ounce of torque is efficiently transferred to the drivetrain without sacrificing structural integrity. The block s **integrated cylinder sleeves** are precision-machined from a proprietary high-silicon aluminum alloy, delivering exceptional heat dissipation and wear resistance, while the **deep, reinforced oil galleries** and **high-flow main bearing passages** are engineered to sustain extreme RPMs and high horsepower outputs with ease, making it an ideal choice for both high-performance street applications and full-race builds. Whether paired with a forged crankshaft, a set of CRC s legendary forged pistons, or a set of aftermarket rods, this block is engineered to handle the most demanding builds, from **700 horsepower street machines** to **1000 horsepower drag racing engines**, all while maintaining the timeless aesthetic and mechanical simplicity that Chevy small-block enthusiasts have come to love. With **fully machined surfaces** for perfect rod bolt clearance and **pre-drilled and tapped for all major Chevy small-block accessories**, including high-flow oil pumps, water pumps, and even optional **nitrous injection manifolds**, this block is as versatile as it is powerful. Backed by Charismatic Racing Concepts reputation for **unwavering quality and customer support**, the CylHS-BC350 isn t just a cylinder block it s a **performance foundation** built to elevate your engine into a legendary powerhouse, ensuring that every turn of the key delivers the kind of raw, exhilarating power that only the best can provide.

### **Pros and Cons of buying a Charismatic Racing Concepts (CRC) CylHSBC350 Box Performance Cylinder Block for a 350 Chevy Engine**

#### **Pros**

1. **High-Performance Design** The CRC CylHSBC350 is engineered for serious high-performance applications, featuring a forged steel crankshaft, high-strength cylinder block, and optimized combustion chamber geometry. This allows for significant power gains when paired with a high-performance camshaft, intake, and exhaust.

2. **Durability and Strength** The block is constructed from high-quality materials, including a reinforced main cap design and precision-machined surfaces, which helps resist warping and cracking under extreme stress. This makes it suitable for forced induction (turbo/supercharger) builds.

3. **Compatibility with Forged Components** The block is designed to work seamlessly with forged pistons, connecting rods, and crankshafts, which are essential for high-RPM and high-torque applications. This reduces the risk of catastrophic failure compared to cast-iron blocks under heavy loads.

4. **Improved Oil Flow and Cooling** The block features optimized oil passages and cooling channels, which help maintain lubrication and temperature control under extreme operating conditions. This is particularly beneficial for high-performance engines that run hotter than stock.

5. **Aftermarket Support** CRC is a well-respected brand in the performance engine market, with extensive aftermarket support for parts, gaskets, and accessories. This makes maintenance and upgrades easier compared to lesser-known or custom blocks.

6. **Potential for Big Power** With the right supporting components (e.g., a high-flow intake, aggressive camshaft, and forced induction), this block can support engines producing **500 horsepower** without excessive stress, making it ideal for drag racing, street tuning, or competition applications.

7. **Customization Options** CRC offers various configurations, including different deck heights and bolt patterns, allowing builders to tailor the block to specific engine builds or chassis requirements.

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#### **Cons**

1. **High Cost** Performance cylinder blocks like the CRC CylHSBC350 are significantly more expensive than stock or even mild aftermarket blocks. The price can range from **$1,500 to $3,000 **, depending on additional features and modifications required.

2. **Requires Supporting Components** Simply swapping in this block will not yield major power gains unless paired with a **forged crankshaft, pistons, rods, and a high-performance camshaft**. Ignoring these components can lead to premature failure or reduced performance.

3. **Installation Complexity** The block may require additional machining (e.g., decking, main bearing alignment, or rod bolt torque adjustments) to ensure proper fitment. This can add labor costs if not done in-house.

4. **Weight Consideration** While the block is strong, it is heavier than a stock 350 Chevy block, which may slightly impact drivability in high-revving or lightweight applications (e.g., drag racing).

5. **Learning Curve for Builders** High-performance engine builds demand a deeper understanding of balancing, lubrication, and cooling. Inexperienced builders may struggle with assembly, tuning, or troubleshooting issues.

6. **Potential for Overbuilding** If the rest of the drivetrain (transmission, differential, suspension) is not upgraded to match the engine s power output, the block s advantages may be wasted, and drivability could suffer.

7. **Resale Value Depreciation** Like most high-performance parts, the resale value of a CRC block may not retain its original cost, especially if the engine is heavily modified or not in pristine condition.

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### **Conclusion**

The **CRC CylHSBC350** is one of the best high-performance cylinder blocks available for a 350 Chevy engine, offering unmatched strength, durability, and potential for extreme power output. It is ideal for **serious builders** who are willing to invest in a **full performance engine package** including forged internals, supporting components, and proper tuning.

However, it is **not a "drop-in" solution** it requires careful planning, additional spending, and technical expertise to fully realize its potential. For **casual tuners or those on a budget**, a stock or mildly upgraded block may be a more practical choice.

### **Recommendation**

- You are building a **high-performance engine** (500 HP) for **racing, drag racing, or serious street tuning**.

- You are committed to pairing it with **forged components, a high-flow intake, and proper cooling**.

- You have access to **experienced machine shops or builders** to ensure proper assembly.

- Your budget allows for the **full cost of a performance engine build** (not just the block).

- You are looking for a **budget-friendly upgrade** or a **mild power increase**.

- You lack experience in **high-performance engine assembly and tuning**.

- Your drivetrain (transmission, differential, suspension) cannot handle the power output.

- You prefer a **simpler, more cost-effective** solution (e.g., a high-quality cast-iron block with mild upgrades).

For most **street tuners**, a **mildly upgraded stock block (e.g., with a forged crank and high-flow heads)** may be sufficient. However, for **competition or extreme power applications**, the CRC CylHSBC350 is one of the best choices available.

Details:

Package Includes. Increasing your engines efficiency is a major way to improve performance and horsepower; the addition of performance-oriented aftermarket heads can greatly output by enhancing airflow combustion. OPEN BOX PERFORMANCE ALUMINUM CYLINDER SMALL BLOCK SBC 350 CHEVY ENGINE. May require drilling if necessary Valves, Springs, Retainers, Hardware not Included Intake Valve Diameter: 2.020 Exhaust 1.600 Intake Port Volume: 200ccCombustion Chamber 68ccIntake Port: Square Exhaust Square Pre-Drilled Accessory Bolt Holes23 Degree Angles3-Angle Seat Lighter than Iron Heads.

US Territories and Military such as GU, VI, SAIPAN, APO/FPO Virgin Island are not included in the 48 Contiguous States. These Parts Do NOT Have a Factory Warranty. Each Head weighs 10.33kgSpark Plug Angle: Straight. Small Block Chevy Engines.

specifications cylinderheapar:

• for makes: Chevy
• brand: Charismatic Racing Concepts
• mpn: Crc-cylhsbc350
• part type: Aluminum Box Cylinder Block Engine
• color: Metallic
• fitment type: Performance/custom
• material: Aluminum
• finish: Bare
• california prop 65 warning: This Product Contains Chemicals Known To The State.
• notes: Open Box Item; Ships In Original Factory Packaging

returns cylinderheapar:

• policy: No Returns

general cylinderheapar:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

payments cylinderheapar:

• other
• wallet: Paypal
• credit card: Discover

shipping cylinderheapar:

• cost: $0.00
• class: Standard
• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• transit: 4-8 Days

offer cylinderheapar:

• started: February 5, 2026
• availability: In Stock
• quantity: 5
• options: Ship-to-home
• sold: 0

seller cylinderheapar:

• # reviews: 45408
• city: Pasadena, Texas
• rating: 99.3%

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