fits model: Sb.

( Brand: Comp Cams ), ( Manufacturer Part Number: 12-464-8 ), ( Part Type: Fuel Roller Cam ), ( Fitment Type: Performance/custom )
The 12-464-8 Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-Fit Hyd Roller Cam is a high-performance camshaft designed for small block Chevrolet engines. This camshaft is equipped with hydraulic roller lifters, which provide quiet operation and durability, making it an ideal choice for street and race applications.
The SB (Super Bowl) profile of this camshaft offers a balanced combination of power and efficiency, providing optimal performance across the entire RPM range. The Xtreme Fuel Injection (XFI) retro-fit design allows for easy installation on engines using electronic fuel injection systems.
The camshaft features a 230/238 duration at 0.050-inch lift, a 112-degree lobe separation angle, and a 0.550-inch valve lift. This specific camshaft is designed for a 0.600-inch roller rocker arm, and it is recommended for use with a 1.6:1 or 1.7:1 rocker arm ratio.
The hydraulic roller lifters used in this camshaft are precision-machined to provide consistent lift and timing, ensuring optimal engine performance. The lifters are also designed to reduce friction, which can help improve fuel efficiency and reduce engine wear.
The 12-464-8 Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-Fit Hyd Roller Cam is made from high-quality materials and is backed by Comp Cams' industry-leading warranty. This camshaft is a great choice for anyone looking to improve the performance of their small block Chevrolet engine while maintaining quiet and reliable operation.
Pros of buying a 12-464-8 Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam:1. Increased horsepower and torque: This camshaft is designed to provide improved engine performance, with an estimated increase in horsepower and torque compared to stock camshafts.
2. Improved throttle response: The Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam is designed to improve throttle response, providing a smoother and more responsive driving experience.
3. Durability: The hydraulic roller lifters and high-quality materials used in the construction of this camshaft contribute to its durability, allowing it to withstand the high-performance demands of racing and high-output applications.
4. Retro-fit design: This camshaft is designed to be a direct replacement for stock camshafts, making it easy to install and reducing the need for additional modifications to the engine.
5. XFI compatibility: The Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam is compatible with XFI fuel injection systems, making it a popular choice for modern muscle cars and performance applications.
Cons of buying a 12-464-8 Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam:1. Higher cost: Compared to stock camshafts, the Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam is a more expensive upgrade.
2. Requires tuning: To fully realize the performance benefits of this camshaft, it may require additional tuning and adjustment to the engine management system, such as XFI.
3. Not suitable for all applications: While this camshaft is designed for high-performance applications, it may not be suitable for all types of engines or driving conditions.
4. Potential for engine damage: Improper installation or use of this camshaft can result in engine damage, so it's important to follow the manufacturer's instructions and consult with a qualified mechanic.
Conclusion:The Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam is a high-quality upgrade for high-performance applications, offering improved horsepower, torque, and throttle response. However, it is a more expensive option than stock camshafts and may require additional tuning and adjustment to realize its full potential. Prospective buyers should carefully consider their engine and driving needs before making a purchase, and consult with a qualified mechanic to ensure proper installation and operation.
Recommendation:If you're looking for a high-performance camshaft upgrade for your Chevrolet engine, the Comp Cams SB Chev Xtreme Fuel Inj XFI Retro-fit Hyd Roller Cam is a solid choice. Its durability, retro-fit design, and XFI compatibility make it a popular choice for modern muscle cars and performance applications. However, it's important to carefully consider the pros and cons and consult with a qualified mechanic before making a purchase.
6 rockers newest quickest lobe profiles in the xtreme family provide a terrific increase performance tuned for use efi applications where extra air flow signal through carburetor is not required feature wider separation W/O loss of responsiveness work well aftermarket cylinder heads high lift specifications intake exhaust rpm range: valve lash: timing: duration: separation: duration. New Comp Cams xtreme fuel injection xfi retro-fit hydraulic roller cam, part engine family: Chevrolet c. I lift: intake center line: valve lobe timing cylinder: good for 305 or 350 RBI excellent off idle performance xtreme torque cam family: fuel injection xfi using 1.