fits model: 396, 454, 740. make: Chevy.
( Brand: Crane Cams ), ( Manufacturer Part Number: 138391 ), ( Part Type: Roller Camshaft Lift )
Introducing the 138391 Crane Mechanical Roller Camshaft, specifically designed for Chevy BBC 396/454 engines with lift cams of 775/740. This high-quality camshaft is a must-have upgrade for any serious enthusiast looking to enhance the performance of their classic Chevy engine.
Key Features:1. Mechanical Roller Lobe Technology: The 138391 Crane Camshaft features mechanical roller lobe technology, which reduces friction and provides a smoother, more efficient operation. This results in improved engine performance, longer camshaft life, and reduced wear on valve train components.
2. Precision Machined: Each camshaft is precision machined to ensure exact specifications and optimal performance. The high-quality materials used in manufacturing ensure a durable and reliable camshaft that will stand up to the rigors of high-performance use.
3. Lift Cam Options: This camshaft is available in two lift cam options, 775 and 740, allowing you to choose the ideal lift for your specific engine build. The 775 lift cam provides a more aggressive cam profile, while the 740 lift cam offers a more moderate cam profile.
4. Application Specific: This camshaft is specifically designed for Chevy BBC 396/454 engines, ensuring a perfect fit and optimal performance. The camshaft is also compatible with a range of valve spring options, giving you the flexibility to choose the best combination for your engine build.
5. Easy Installation: The 138391 Crane Camshaft includes all necessary hardware for easy installation. The installation process is straightforward, and detailed instructions are provided to ensure a hassle-free installation.
In conclusion, the 138391 Crane Mechanical Roller Camshaft is an excellent upgrade for any Chevy BBC 396/454 engine. The precision machining, mechanical roller lobe technology, and lift cam options ensure optimal performance and reliability. Whether you're looking to add a little extra power to your daily driver or build a high-performance race engine, this camshaft is a must-have upgrade.
Pros of buying 138391 crane mechanical roller camshaft for Chevy BBC 396/454 engines:1. Improved engine performance: The camshaft is designed to provide better valve timing, which can lead to increased horsepower and torque.
2. Durability: Crane camshafts are known for their durability and long-lasting performance.
3. Customizability: The roller camshaft allows for customizable valve lift, duration, and timing, which can be tailored to the specific needs of the engine and driving style.
4. Increased fuel efficiency: Proper valve timing and lift can improve engine efficiency, leading to better fuel economy.
Cons of buying 138391 crane mechanical roller camshaft for Chevy BBC 396/454 engines:1. Cost: High-quality camshafts like Crane's can be expensive, especially when compared to stock camshafts.
2. Requires engine tuning: Installation of a new camshaft will likely require engine tuning, which can be a complex and time-consuming process.
3. Potential for engine damage: If not installed correctly, a new camshaft can cause engine damage.
4. May require additional upgrades: Depending on the specific engine and driving style, the new camshaft may require additional upgrades to the engine or drivetrain to ensure proper performance.
Conclusion: The 138391 crane mechanical roller camshaft for Chevy BBC 396/454 engines can provide significant performance improvements, but it comes with a cost and requires careful installation and tuning. If you are looking to significantly upgrade the performance of your Chevy engine, a high-quality camshaft like Crane's may be a worthwhile investment. However, it is important to consider the potential costs and complexities involved and to ensure that the installation is done correctly to avoid damage to the engine.
Recommendation: If you are considering purchasing a high-performance camshaft for your Chevy BBC 396/454 engine, we recommend doing your research and consulting with a professional mechanic to ensure that the camshaft is the right fit for your specific engine and driving needs. Additionally, it is important to budget for any additional upgrades or tuning that may be required to properly utilize the new camshaft.
Exhaust duration at 050 inch lift 296 valve lash ex. Quantity sold individually. Valve springs required yes this product ships directly from the manufacturer.
Also fits rode ck 481 aluminum engines.
Exhaust valve lift with factory rocker arm ratio int.
Intake valve lift with factory rocker arm ratio 0.
Fitment information may not be available for all products and those without will have a compatibility link. Grind number r 2s5-14 intake duration at 050 inch lift 284 valve lash 0.
Advertised exhaust duration 336 intake 324 basic operating rpm range 5,000-8,600 cam mechanical roller tappet computer-controlled compatible no at 050 inch lift 284 int. Advertised duration 324 int.
Lobe separation degrees 114 notes requires cam button spacer and a aluminum-bronze distributor drive gear.
Valve lift with factory rocker arm ratio ex.
Buyer pays return shipping.
Actual item may vary.