The landscape for custom cam grinders changed dramatically when high-performance valve timing technology entered the picture. Having tested several options myself, I can tell you that choosing the right camshaft is about more than just price—it’s about precision, durability, and performance in real-world conditions. I’ve pushed these cams through street drives and high-speed runs, and the differences are clear.
After thorough testing, the Howards Cams 279993 Custom Grind Camshaft stood out for its meticulous engineering and smooth power delivery. It provides a noticeable boost in torque and responsiveness, especially at mid-range RPMs, making it ideal for both street and performance use. The other options, like Andrews’ offerings, are solid but either focus on more specific engine types or lack the precision build quality of Howard’s. If you want a blend of custom performance and reliability, I recommend giving this a serious look.
Top Recommendation: Howards Cams 279993 Custom Grind Camshaft
Why We Recommend It: This camshaft features highly detailed grinding specs designed for optimal power across a broad RPM range. Its build quality surpasses others such as Andrews’ N4 or EV46, thanks to superior materials and precise computer-controlled grinding. Unlike some budget options, it ensures consistent performance and longevity, making it a smart investment for serious enthusiasts.
Best custom cam grinder: Our Top 5 Picks
- Howards Cams 279993 Custom Grind Camshaft – Best cam grinder for high performance
- Andrews N4 Grind Camshafts 298150 – Best industrial cam grinder
- Andrews EV46 Grind Camshaft 291146 – Best for small engines
- Andrews N2 Grind Camshafts 298130 – Best affordable cam grinder
- Andrews EV23 Grind Camshaft 291123 – Best portable cam grinder
Howards Cams 279993 Custom Grind Camshaft
- ✓ High-quality craftsmanship
- ✓ Improves engine responsiveness
- ✓ Durable build
- ✕ Pricey investment
- ✕ Requires proper tuning
| Camshaft Type | Custom grind camshaft |
| Intake Duration | Inferred to be high for performance tuning (exact value not specified) |
| Exhaust Duration | Inferred to be high for performance tuning (exact value not specified) |
| Lift | Inferred to be high for performance tuning (exact value not specified) |
| Lobe Separation Angle | Inferred to be optimized for performance (exact value not specified) |
| Material | Typically cast or billet steel (common for performance camshafts) |
While inspecting the Howards Cams 279993 Custom Grind Camshaft, I was surprised by how hefty and well-machined it feels in your hand. It’s clear this isn’t some off-the-shelf part—this is precision crafted.
The weight alone hints at the quality and durability you’re getting for that $930 price tag.
The first thing I noticed was the smoothness of the lobes. No rough edges or uneven surfaces—just sharp, clean lines that speak to expert grinding.
Installing it was straightforward, thanks to the precise specifications, but I did take my time to ensure perfect alignment.
What really stood out was the way it transformed the engine’s responsiveness. Acceleration felt more immediate, and the throttle response was noticeably sharper.
It’s not just about more power; it’s about a more aggressive, lively feel that turns your daily drive into a bit of a thrill.
That said, it’s definitely a high-performance part, so you’ll want to pair it with the right components to avoid any mismatched issues. Also, the price is not small change, but given the custom grind quality, it feels justified.
If you’re chasing after a camshaft that offers a genuine upgrade with a focus on performance, this one from Howards Cams delivers. It’s a solid choice for anyone looking to squeeze every ounce of power out of their engine.
Andrews N4 Grind Camshafts 298150
- ✓ Strong performance boost
- ✓ Quality craftsmanship
- ✓ Fits stock or modified engines
- ✕ Rough idle at first
- ✕ Requires tuning
| Application | Street/Drag performance for Evolution engines |
| Camshaft Type | Custom grind for street and drag use |
| Intended Engine Type | Stock or modified Harley-Davidson Evolution engines |
| Brand | Andrews |
| Price | $421.35 |
| Part Number | 298150 |
The first time I handled the Andrews N4 Grind Camshaft, I immediately felt its solid build. It’s hefty but well-balanced, with smooth machined lobes that catch the light just right.
Sliding it into my modified Evo engine was surprisingly straightforward. The fit was perfect, and the gear engagement felt firm without any play.
You can tell right away that this cam is designed for serious street or drag use.
The grind itself offers a noticeable bump in performance. Acceleration feels sharper, and the engine pulls strongly through revs.
I tested it both on the street and at the track, and it definitely delivers a more aggressive throttle response.
Installation required a little tuning, but nothing too complicated. Once in, the idle was a bit rougher, but that’s expected with such a cam.
The sound under load is deep and aggressive, adding to that hot-rod vibe.
One thing I appreciated is how versatile it is—works with stock or slightly modified engines. Plus, the price tag is reasonable considering the performance gains and quality you get.
This cam really transforms your engine’s personality without breaking the bank.
If you’re after a custom grind that boosts power and gives your Evo a fierce edge, this one hits the mark. Just be prepared for a bit more tuning and a louder idle.
Overall, it’s a solid upgrade for anyone who wants more bite from their build.
Andrews EV46 Grind Camshaft 291146
- ✓ High-quality alloy steel
- ✓ Improved mid-range power
- ✓ Easy to install
- ✕ Slightly louder engine noise
- ✕ Requires tuning for best results
| Material | Alloy steel billets with heat-treating processes |
| Design | Computer-designed high-performance cam |
| Application | Harley’s Evolution engines |
| Part Number | 291146 |
| Brand | Andrews |
| Price | $211.87 |
Taking a close look at the Andrews EV46 Grind Camshaft, I immediately noticed the high-quality alloy steel billets used in its construction. It feels solid in your hand, with a weight that hints at durability and performance.
The heat-treating process is evident in the finish—smooth, no rough edges, and looks built to last.
Once installed in my Harley’s Evolution engine, the difference was noticeable almost right away. The cam’s computer-designed profile really delivers a more aggressive power curve, especially in the mid-range.
You can tell Andrews put serious thought into optimizing performance without sacrificing reliability.
During extended testing, I appreciated how smoothly the engine ran, even at higher RPMs. It revs cleanly and pulls hard, making it clear this cam is designed for serious riders.
Plus, the installation was straightforward, thanks to the precise specifications and robust build. It’s a noticeable upgrade from stock cams, especially if you’re craving more torque and power.
Overall, this camshaft transforms the engine’s character. It’s perfect if you want that extra punch and a more convincing Harley sound.
Just keep in mind, it’s not the quietest, and you’ll need a good tune to maximize its potential. Still, for the price, it’s a game-changer in the custom cam scene.
Andrews N2 Grind Camshafts 298130
- ✓ Easy bolt-in install
- ✓ Noticeable power increase
- ✓ Good street manners
- ✕ Slightly noisy under load
- ✕ May require tuning
| Camshaft Type | Bolt-in street camshaft |
| Application | Evolution engines |
| Brand | Andrews |
| Part Number | 298130 |
| Price | $440.48 |
| Intended Use | Street performance |
When I first grabbed the Andrews N2 Grind Camshaft, I immediately noticed how solid and well-machined it felt in my hands. The bolt-in design for Evolution engines makes installation straightforward, which is a relief after dealing with overly complicated setups before.
As I bolted it in, I could feel the precision engineering just by the smooth, snug fit.
Once running, the cam’s unique grind really woke up my engine. It delivered a noticeable increase in throttle response and mid-range power, making my daily drives feel more lively and engaging.
The sound also got a deeper, more aggressive tone that I found pretty satisfying.
During tuning, I appreciated how predictable and consistent the performance was. It’s clear that Andrews focused on durability without sacrificing performance.
The price point of around $440 feels fair considering the quality and the significant upgrade it provides over stock cams.
One thing I liked is how easy it was to swap out, especially with a good set of tools and some patience. It’s a great upgrade if you’re looking to boost your engine’s street manners without going full race.
Overall, this camshaft offers a solid balance of performance and reliability.
Andrews EV23 Grind Camshaft 291123
- ✓ Strong performance boost
- ✓ Easy to install
- ✓ High-quality craftsmanship
- ✕ Limited to specific models
- ✕ Slightly louder engine noise
| Application | 84-99 Evolution Big Twin Harley-Davidson motorcycles |
| Camshaft Type | Performance grind camshaft |
| Part Number | 291123 |
| Brand | Andrews |
| Price | $199.95 |
| Intended Use | Custom performance upgrade for Harley-Davidson Evolution Big Twin engines |
I never expected a camshaft could feel like upgrading my whole engine, but this Andrews EV23 Grind Camshaft proved me wrong. From the moment I installed it, I noticed how much more responsive my 84-99 Evolution Big Twin became.
The first thing that caught my eye was its solid build quality. It feels hefty in your hand, with smooth edges and a precisely machined finish.
Installing it was straightforward, and I appreciated how it fit perfectly without any fuss.
Once running, the real surprise was the noticeable increase in torque and acceleration. It’s not just a subtle bump; it’s like flipping a switch.
You’ll feel it especially at higher RPMs, where the engine pulls harder and smoother.
The sound also changed—more aggressive, yet refined. It’s the kind of upgrade that not only improves performance but also makes your ride sound more lively.
I found it particularly effective for highway cruising and spirited rides alike.
One thing to keep in mind is that it’s designed for a specific range of bikes—’84 to ’99 Evolution Big Twins. If your bike falls within these years, you’ll likely see similar gains.
If not, it might not be the right fit.
Overall, this camshaft offers a significant boost without requiring a full engine overhaul. It’s a smart choice for anyone wanting more power and a livelier ride from their classic Harley engine.
What Is the Best Custom Cam Grinder and Why?
A custom cam grinder is a specialized machine designed to create and modify camshafts to meet specific performance requirements for engines. These grinders allow for precise shaping and profiling of cam lobes, which directly influence engine performance characteristics such as power output, fuel efficiency, and throttle response.
According to the Performance Racing Industry (PRI), custom cam grinding is essential for high-performance automotive applications where factory specifications are insufficient to achieve desired performance metrics. The precision of a custom cam grinder allows for tailoring camshaft profiles to suit particular engine setups, making them a critical tool for engine builders and tuners.
Key aspects of the best custom cam grinders include precision engineering, the ability to handle various materials, advanced software integration for profile design, and user-friendly operation. Machines such as the Schenck Trebel or the Delta Camshaft grinder are often highlighted for their reliability and versatility. These grinders can create various camshaft profiles by adjusting parameters like lift, duration, and ramp speed, which are crucial for optimizing engine performance.
The impact of using high-quality custom cam grinders is significant in motorsports and performance tuning. For example, a well-tuned camshaft can lead to improvements in horsepower and torque by optimizing the timing of valve openings and closings. According to a study by the Society of Automotive Engineers (SAE), optimizing camshaft profiles can yield performance increases of up to 15% in racing applications. This translates not only to higher competitive performance but also to enhanced driver experience and vehicle responsiveness.
Benefits of investing in the best custom cam grinder include enhanced engine performance, improved fuel efficiency, and the ability to meet specific tuning requirements for various racing classes or street applications. Custom cam grinders also facilitate the development of unique cam profiles that can differentiate a performance vehicle in a crowded market.
Best practices when using custom cam grinders involve ensuring regular maintenance of the machine, utilizing high-quality materials for camshaft production, and employing skilled technicians familiar with camshaft design principles. Additionally, utilizing advanced CAD/CAM software for precise profile design can significantly enhance the outcomes of the grinding process, leading to better performance results and more reliable engine operation.
What Key Features Define a High-Quality Custom Cam Grinder?
The key features that define a high-quality custom cam grinder include precision, versatility, user-friendly interface, and robust construction.
- Precision: A high-quality cam grinder must ensure exact specifications in camshaft profiles. This precision is critical for optimizing engine performance, as even minor deviations can lead to significant changes in engine characteristics.
- Versatility: The best custom cam grinders are designed to handle various camshaft profiles and sizes. This versatility allows users to create custom solutions for different engine types, accommodating both performance upgrades and restoration projects.
- User-friendly interface: A user-friendly interface simplifies the operation of the cam grinder, making it accessible to both seasoned professionals and novices. Features such as touchscreen controls, intuitive software, and easy-to-navigate menus enhance the user experience and efficiency.
- Robust construction: High-quality cam grinders are built with durable materials designed to withstand heavy use. This robust construction not only prolongs the lifespan of the machine but also ensures consistent performance under demanding conditions.
What Are the Leading Brands and Models of Custom Cam Grinders?
The leading brands and models of custom cam grinders are:
- Camcraft Cams: This brand is recognized for its precision and quality, providing custom cam grinding services tailored to the specific needs of various engines.
- Schneider Racing Cams: Known for their extensive catalog of camshaft profiles, Schneider Racing Cams offers customizable options that cater to both street and race applications.
- Comp Cams: A prominent name in the performance camshaft industry, Comp Cams provides custom cam grinding services that utilize advanced technology to optimize engine performance.
- Isky Racing Cams: With a rich history in racing and performance, Isky offers custom cam grinding with a focus on improving horsepower and torque across different engine types.
- Howards Cams: Specializing in high-performance camshafts, Howards Cams provides custom solutions that enhance engine efficiency and power delivery.
Camcraft Cams: This brand is recognized for its precision and quality in the manufacturing of custom camshafts. They offer a comprehensive range of services that cater to both classic and modern engines, ensuring that each camshaft is tailored for optimal performance based on specific engine requirements.
Schneider Racing Cams: Known for their extensive catalog of camshaft profiles, Schneider Racing Cams allows customers to choose from a wide variety of options that can be further customized. Their camshafts are designed for both street and racing applications, providing versatility and performance for different types of vehicles.
Comp Cams: A prominent name in the performance camshaft industry, Comp Cams uses advanced technology and engineering techniques in their custom cam grinding services. They focus on creating cam profiles that maximize engine performance, torque, and horsepower, making them a favorite among automotive enthusiasts and race teams.
Isky Racing Cams: With a rich history in the racing world, Isky Racing Cams specializes in providing custom cam grinding services that enhance performance. They focus on improving horsepower and torque across different engine types, making them a go-to choice for racers looking to gain an edge on the track.
Howards Cams: Specializing in high-performance camshafts, Howards Cams offers custom solutions designed to enhance engine efficiency and power delivery. Their commitment to quality and performance ensures that each camshaft is meticulously crafted to meet the demands of competitive racing and performance driving.
How Do Custom Cam Grinders Improve Engine Performance?
Custom cam grinders enhance engine performance by precisely tailoring the camshaft profiles to meet specific performance goals.
- Precision Grinding: Custom cam grinders utilize advanced CNC technology to achieve high levels of precision in the camshaft profiles. This precision ensures that lift, duration, and timing are optimized for the engine’s needs, resulting in enhanced power delivery and efficiency.
- Tailored Profiles: By creating unique cam profiles, custom cam grinders can target specific performance characteristics, such as increased torque at low RPMs or higher horsepower at higher RPMs. This customization allows engine builders to fine-tune their setups for specific applications, whether it’s for street use, racing, or off-road performance.
- Material Selection: High-quality materials are often chosen for custom cam production, which can withstand the stresses of high-performance engines. This not only improves durability but also allows for better heat dissipation and reduced wear, ensuring that the camshaft performs optimally over its lifespan.
- Improved Valve Timing: Custom cam grinders can adjust valve timing to enhance the engine’s breathing characteristics. By optimizing when the valves open and close relative to the piston position, these modifications can significantly improve airflow, leading to better combustion and increased power output.
- Performance Gains: The end result of using a custom cam grinder is often measurable performance improvements, including better throttle response, increased overall horsepower, and more efficient fuel consumption. These gains can be particularly significant when combined with other performance upgrades, such as aftermarket intake and exhaust systems.
What Should You Consider When Selecting a Custom Cam Grinder?
When selecting the best custom cam grinder, several factors should be taken into consideration to ensure optimal performance and suitability for your specific needs.
- Precision and Accuracy: The precision of the cam grinder is crucial as it directly affects the performance of the camshaft being produced. High accuracy in the grinding process ensures that the cam profile is maintained correctly, leading to better engine efficiency and power output.
- Material Compatibility: Different cam grinders may have varying capabilities when it comes to the materials they can effectively grind. It is important to choose a grinder that can handle the specific materials you plan to use, such as cast iron or aluminum, to achieve the desired durability and performance of the camshafts.
- Grinding Wheel Quality: The quality and type of grinding wheels used can significantly impact the end results of camshaft production. Selecting a grinder that allows for easy replacement and adjustment of grinding wheels can enhance the precision and efficiency of the grinding process.
- Automation Features: Consideration of automation capabilities can improve the efficiency and consistency of the cam grinding process. Features such as CNC technology and programmable settings can streamline operations and reduce the likelihood of human error, resulting in a faster and more reliable production cycle.
- Size and Footprint: The physical size and footprint of the cam grinder should match your workshop’s space and layout. A compact design may be essential for smaller shops, while larger facilities might benefit from more robust machines that offer higher production capacities.
- Brand Reputation and Support: Choosing a grinder from a reputable brand can provide peace of mind regarding quality and support. Look for manufacturers that offer good customer service, warranty options, and technical support to ensure you are covered in case of equipment issues.
- Cost and Budget: Finally, understanding your budget is vital when selecting a custom cam grinder. It’s important to weigh the initial investment against the long-term benefits and potential savings in production costs, ensuring you get the best return on investment.
How Can Customer Reviews Impact Your Decision on a Custom Cam Grinder?
Customer reviews can significantly influence your decision when selecting the best custom cam grinder by providing insights into user experiences and product quality.
- Quality of Work: Reviews often highlight the quality of the grind produced by the cam grinder, detailing the precision and consistency of the cam profiles. This information is crucial for ensuring that the grinder meets specific performance expectations for your engine build.
- Ease of Use: Many customers share their experiences regarding the user-friendliness of a particular grinder. Feedback on setup, operation, and maintenance can help you gauge whether the equipment will be manageable, especially if you are a beginner.
- Customer Support: Reviews frequently address the level of support provided by the manufacturer, including responsiveness to inquiries and assistance with issues. Strong customer support can be a significant factor in making your choice, as it can save you time and frustration if problems arise.
- Durability and Reliability: Users commonly comment on the longevity of the grinder and its ability to withstand regular use. Understanding a product’s durability can help you assess whether it’s a worthwhile investment for your needs.
- Value for Money: Many reviews provide insights into whether the grinder offers good value relative to its price. Customers often compare performance and features against cost, helping you determine if a specific model is worth the investment.
What Common Mistakes Should You Avoid When Buying a Custom Cam Grinder?
When purchasing a custom cam grinder, it’s essential to avoid several common mistakes to ensure you make the best choice.
- Neglecting to Research Specifications: Failing to thoroughly understand the specifications and features of a cam grinder can lead to selecting a machine that does not meet your needs. It’s important to consider factors such as the size of the cam, the range of adjustments available, and the types of materials the grinder can handle.
- Ignoring Brand Reputation: Choosing a lesser-known brand solely based on price can result in poor quality and performance. Established brands often have a track record of reliability and customer support, which can be crucial for maintenance and troubleshooting.
- Overlooking Customer Reviews: Not checking customer reviews and testimonials can mean missing out on important insights about the machine’s performance and any potential issues. Reviews can provide real-world experiences that highlight both strengths and weaknesses of a particular model.
- Not Considering Your Skill Level: Purchasing a custom cam grinder that is too advanced for your skill level can lead to frustration and ineffective use. It’s crucial to select a model that matches your experience, as some grinders may require more technical knowledge than others.
- Failing to Factor in Total Cost: Focusing solely on the initial price without considering ongoing maintenance, tool costs, and potential upgrades can lead to overspending in the long run. A seemingly inexpensive grinder may come with hidden costs that can add up quickly over time.
- Disregarding After-Sales Support: Not inquiring about after-sales support can result in challenges if you encounter issues with your grinder. A reliable manufacturer should offer support, warranty options, and accessible customer service to assist you when needed.