10 Best Camshaft For 350 Chevy 2026 in the United States

The Comp Cams 12-600-8 Thumpr Hydraulic Roller Cam is geared towards high performance and street use for Chevrolet Small Block 350 engines.

Its key specifications include a lift of 0.511/0.497 and a duration of 227/241 at .050.

The COMP Cams 12-433-8 Xtreme Energy camshaft is designed specifically for Chevrolet Small Block engines, making it an attractive choice for enthusiasts looking to enhance performance in both street and strip settings. With a lift of .520”/.540” and a duration of 236/242 at .050”, it provides solid responsiveness, particularly in the 2,500-6,000 RPM operating range. This camshaft is ideal for setups with at least 9:1 compression and is best paired with aftermarket intake manifolds and headers, which can bring out its full potential.

One of its strengths is the ability to maintain more vacuum, facilitating greater duration without sacrificing performance. This can be particularly beneficial for those utilizing power brakes, offering a smoother driving experience. The quicker opening lobe profiles are another highlight, as they contribute to increased responsiveness and more power under the curve, making it a good fit for spirited driving.

However, there are some limitations to consider. The camshaft is designed for a rough idle, which may not suit everyone’s taste, especially for those looking for a more refined street experience. Additionally, its fitment is restricted to earlier Chevrolet Small Blocks, meaning it won't work with LT1/LT4 engines or newer factory roller blocks. This could restrict options for some users who might be interested in upgrading their more modern engines.

The COMP Cams CL12-242-2 Xtreme Energy camshaft kit is an excellent choice for those looking to enhance the performance of their Chevrolet Small Block engines, especially the 350 variant. It comes with a hydraulic flat cam and lifters, which are designed to work best for street machines. The lift specifications of 0.477" and 0.480" along with a duration of 224/230 at .050" support robust power while still maintaining reasonable drivability, making it a solid option for those who want to maintain some everyday usability in their vehicles.

One of the notable strengths of this camshaft is its RPM range, which operates effectively between 1,600 to 5,800 RPM. This range is ideal for street applications, allowing for responsive acceleration in most driving situations. The 110-degree lobe separation angle contributes to smoother idle quality and improved vacuum, which is particularly beneficial for power brakes.

This camshaft does have some limitations. It is best suited for use with aftermarket intake manifolds and headers, meaning that users looking for a straightforward installation with stock components might find it less than ideal. Additionally, it performs optimally with a stall converter of 2000 RPM or higher, which may require further investment if your current setup doesn't meet this specification. It's also important to note that this camshaft does not fit LT1/LT4 or factory roller Small Blocks built from 1985 and newer, which could restrict its usability for some vehicle owners.