fits make: Chevrolet.

( Brand: Comp Cams ), ( Manufacturer Part Number: 12-654-5 ), ( Part Type: Tappet Camshaft ), ( Lifter Type: Mechanical Roller )
The 12-654-5 Comp Cams Track Mechanical Flat Tappet Camshaft is a high-performance upgrade for Chevrolet engines with displacements between 262 and 400 cubic inches. This camshaft, designed specifically for track applications, is engineered to deliver maximum power and efficiency.
The 12-654-5 features a flat tappet design, which is known for its durability and reliability in high-revving, high-load applications. The camshaft profile is a grind of Comp Cams' XE275, a popular choice for its balanced power delivery and improved throttle response. The valve lift is 0.523/0.523 inches at 0.050-inch lift, providing a significant increase in power and performance over stock camshafts.
This camshaft is made from high-quality material, ensuring durability and longevity. It's designed to work seamlessly with standard pushrods and lifters, making it a straightforward upgrade for many Chevrolet engines. The 12-654-5 Comp Cams Track Mechanical Flat Tappet Camshaft is a great choice for anyone looking to elevate their engine's performance in competitive racing scenarios.
Pros of buying a 12-654-5 Comp Cams track mechanical flat tappet camshaft for Chevrolet 262-400c:1. Design: The flat tappet design allows for a more direct valve action, which can improve engine performance and power.
2. Durability: Mechanical lifters are known for their durability and reliability, which can reduce the need for maintenance and repairs.
3. Lift and Duration: The 12-654-5 camshaft offers a higher lift and longer duration, which can improve engine breathing and increase horsepower and torque.
4. Cost-Effective: Mechanical lifters and flat tappet camshafts are generally more affordable than hydraulic roller camshafts and solid lifters, making them a cost-effective option for performance upgrades.
Cons of buying a 12-654-5 Comp Cams track mechanical flat tappet camshaft for Chevrolet 262-400c:1. Noise: Flat tappet camshafts can be noisier than hydraulic roller camshafts, which may require the use of noise reduction measures such as valve cover gaskets or camshaft noise suppressors.
2. Maintenance: Flat tappet camshafts require regular maintenance, such as camshaft lash adjustments and valve adjustments, to ensure proper operation and prevent engine damage.
3. Powerband: While the 12-654-5 camshaft can improve engine performance, it may result in a narrower powerband, which may require careful tuning and adjustment to achieve optimal results.
Conclusion: The 12-654-5 Comp Cams track mechanical flat tappet camshaft can be a great option for Chevrolet 262-400c engines looking for improved performance and power. Its durability, affordability, and high lift and duration can provide noticeable gains in horsepower and torque. However, it's important to consider the potential downsides, such as noise and maintenance requirements, and to ensure proper installation and tuning to get the best results.
Recommendation: If you're considering purchasing the 12-654-5 Comp Cams track mechanical flat tappet camshaft, we recommend doing thorough research and consulting with a professional mechanic or engine builder to ensure it's the right fit for your specific application. Additionally, investing in proper maintenance and tuning can help ensure the longevity and performance of the camshaft and your engine as a whole.