89571-16 COMP CAMS Engine Valve Kit

Review COMP CAMS Engine Valve Lifter Kit

The COMP Cams 89571-16 Engine Valve Kit is a high-performance upgrade designed for racers and enthusiasts seeking to enhance the breathing capabilities of their engine. This kit includes eight intake valves, eight exhaust valves, and eight valve springs, all meticulously engineered to provide maximum power and efficiency.

The intake valves are crafted from premium 351 stainless steel, offering superior strength and durability. Their unique design features a thicker valve seat for improved sealing and reduced leakage. The intake valves also come with a large 2.055-inch diameter, which allows for an increased airflow rate, resulting in more power and better engine response.

The exhaust valves in this kit are also manufactured from high-quality 351 stainless steel. They boast a larger 1.600-inch diameter, which aids in the efficient expulsion of exhaust gases. The exhaust valves are designed with a thicker stem to improve durability and resist the harsh conditions of high-performance engines.

The valve springs included in the COMP Cams 89571-16 Engine Valve Kit are precision-wound to exacting specifications. They offer increased lift capacity, allowing for improved engine performance and power gains. The dual-spring design provides consistent valve control throughout the RPM range, ensuring optimal engine function and reliable operation.

This valve kit is suitable for various applications and engine sizes, making it a versatile upgrade for a wide range of vehicles. The COMP Cams team meticulously tests each component to ensure perfect fitment and optimal performance, providing peace of mind to customers seeking top-tier engine upgrades. With the COMP Cams 89571-16 Engine Valve Kit, enthusiasts can look forward to enhanced engine breathing, improved performance, and increased power output.

Pros and Cons of Buying a COMP Cams 89571-16 Engine Valve Kit

The COMP Cams 89571-16 Engine Valve Kit is a popular aftermarket valve kit designed to enhance engine performance. This kit includes intake and exhaust valves, springs, retainers, and locks. In this article, we will discuss the advantages and disadvantages of investing in this valve kit.

1. Improved Engine Performance: The COMP Cams valve kit is designed to provide better engine performance by increasing airflow and improving the overall efficiency of the engine. This can lead to increased horsepower and torque.

2. High-Quality Materials: The valves in this kit are made from high-quality materials, such as titanium or stainless steel, which can withstand extreme temperatures and pressures. This ensures a longer lifespan for the valves compared to stock valves.

3. Customizability: The COMP Cams valve kit offers a wide range of options to suit various engine builds. Customers can choose from different valve sizes, spring rates, and materials to meet their specific performance goals.

4. Easy Installation: The installation process for this valve kit is relatively straightforward and can be completed in a few hours with basic hand tools. Detailed instructions are provided in the kit to help ensure a successful installation.

1. Expensive: The COMP Cams 89571-16 Engine Valve Kit is priced higher than stock valves or aftermarket kits from lesser-known brands. This may be a deterrent for some buyers on a tight budget.

2. Not Suitable for All Engines: This valve kit is specifically designed for certain engine applications. Before purchasing, it's essential to ensure compatibility with your engine make, model, and year.

3. Potential for Valve Seat Damage: Installing aftermarket valves can sometimes result in damage to the valve seats. This may require additional machining work, which can add to the overall cost of the project.

4. Risk of Overrevving: Since the valves in this kit allow for higher RPMs, there is a risk of overrevving the engine if not properly managed. Proper tuning and adjustment are crucial to prevent engine damage.

The COMP Cams 89571-16 Engine Valve Kit offers several advantages, such as improved engine performance, high-quality materials, and customizability. However, it also comes with some disadvantages, including a higher price point, limited compatibility, and the risk of valve seat damage. Ultimately, the decision to purchase this valve kit depends on your specific engine build goals, budget, and experience level.

If you're looking to significantly improve the performance of your engine and are willing to invest in high-quality components, the COMP Cams 89571-16 Engine Valve Kit is an excellent choice. However, it's crucial to ensure compatibility with your engine and consider the risk of valve seat damage before making a purchase. For those on a tighter budget or with less experience, a less expensive aftermarket valve kit from a reputable brand may be a better fit.

Details:

This patented jct tappet is not just a performance original equipment replacement. Push rod seat offset: n/a. Lifter body diameter: 0.842. Lifter finish: as ground.

Comp Cams 89571-16 - engine valve lifter kit. Most consistent performing lifters available. Quietest hydraulic lifters on the market. Lifter style: hydraulic roller.

The evolution jct tappet provides most consistent performance of any set lifters in the aftermarket. Roller type: needle bearing.

The patented cartridge design also allows for an incredibly stiff lifter body, greatly reducing body distortion and further ensuring consistent hydraulic performance. The smaller volume within the hydraulic cartridge creates one of most responsive and quietest lifters on market. Comp Cams evolution jct hydraulic cartridge technology is a new patented tappet. A combination of self-contained hydraulic cartridge and accompanying reduced oil volume that is less effected by aeration delivers the most consistent bleed rates between each lifter.

Startup noise is greatly reduced and a precision controlled bleed down rate ensure excellent performance at high rpm. Patented design. Retention method: link bar.

Lifter - evolution retro-fit hydraulic roller 0.842 in OD gm ls-series set of 16 menu.

specifications liftkitsparts:

• brand: Comp Cams
• mpn: 89571-16
• part type: Valve Engine Lifter
• upc: 036584417422

offer liftkitsparts:

• options: ship-to-home
• sold #: 12
• in stock #: 5
• prices: $793.20–$807.40
• item condition: New
• availability: in stock
• started: december 11, 2025

shipping liftkitsparts:

• transit: 3-6 days
• type: fixed
• service: standard
• class: standard

general liftkitsparts:

• category: Auto Parts > Chassis, Suspension Brakes > Lift Kits

returns liftkitsparts:

• paid by: seller
• time: 30 days
• policy: returns accepted

seller liftkitsparts:

• city: saint paul, minnesota
• rating: 97.6%
• # reviews: 45377

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• other
• credit card: visa
• wallet: apple-pay