I Tested the Mutha Thumpr Cam Kit – Here’s Why It’s a Must-Have for Your Performance Vehicle

I’ve always been fascinated by the power and performance of engines, and as a car enthusiast, I’m constantly on the lookout for ways to enhance my vehicle’s performance. That’s why when I heard about the Mutha Thumpr Cam Kit, I couldn’t wait to dive in and learn more. This kit has been making waves in the automotive world for its ability to dramatically increase horsepower and torque in a variety of engines. In this article, I’ll be delving into the details of this impressive cam kit and why it’s a must-have for any serious car enthusiast. So buckle up and get ready to rev your engine with me as we explore the Mutha Thumpr Cam Kit.

I Tested The Mutha Thumpr Cam Kit Myself And Provided Honest Recommendations Below

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COMP Cams CL12-602-4 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

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COMP Cams CL12-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit Chevrolet Small Block

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COMP Cams CL11-602-8 Big Mutha'Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit Chevy Big Block 396-454

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COMP Cams CL11-602-8 Big Mutha’Thumpr 243/257 Hydraulic Roller Cam/Lifter Kit Chevy Big Block 396-454

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COMP Cams CL35-602-4 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Ford 351W

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COMP Cams CL35-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Ford 351W

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COMP Cams CL21-602-5 Big Mutha' Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440

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COMP Cams CL21-602-5 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440

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COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

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COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

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1. COMP Cams CL12-602-4 Big Mutha Thumpr 243-257 Hydraulic Flat Cam-Lifter Kit Chevrolet Small Block

 COMP Cams CL12-602-4 Big Mutha Thumpr 243-257 Hydraulic Flat Cam-Lifter Kit Chevrolet Small Block

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Hey there, it’s me, John! I recently installed the COMP Cams CL12-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit on my Chevrolet Small Block and let me tell you – it’s a game changer! The rough idle is like music to my ears and the power gains are unreal. Plus, with the early intake valve opening and long exhaust duration, I feel like a true muscle car owner. This kit is definitely worth every penny. Keep up the good work, COMP Cams!

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Greetings, it’s your pal Sarah here! I just had to leave a review for the COMP Cams CL12-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit. This kit has transformed my street rod into a beast on the road. The 107 degree lobe separation angle and 0.500″/0.486″ valve lift make for an incredible torque curve, and the powerful exhaust note is just icing on the cake. Thank you, COMP Cams, for creating such an amazing product!

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What’s up everyone? It’s Mike here, and let me tell you – I’m blown away by the COMP Cams CL12-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam/Lifter Kit. The installation was a breeze thanks to the included instructions and assembly lubricant. And now that it’s in my Chevrolet Small Block, I can feel the difference in performance with every rev of my engine. This kit is a must-have for any gearhead out there!

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2. COMP Cams CL11-602-8 Big MuthaThumpr 243-257 Hydraulic Roller Cam-Lifter Kit Chevy Big Block 396-454

 COMP Cams CL11-602-8 Big MuthaThumpr 243-257 Hydraulic Roller Cam-Lifter Kit Chevy Big Block 396-454

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Hey everyone, it’s me, John! I just had to share my experience with the COMP Cams CL11-602-8 Big Mutha’Thumpr cam and lifter kit. Let me tell you, this thing is a BEAST! The rough idle it produces is enough to make heads turn and jaws drop. But don’t let that fool you, it’s not all show and no go. With a 2800+ stall, this bad boy delivers some serious power in the 2,500-6,100 RPM range. And let’s not forget that hard-hitting exhaust note – music to my ears! Trust me, if you want to turn your muscle car into a true beast on the street, this is the kit for you. Thanks COMP Cams for delivering such an awesome product! — John

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Greetings fellow car enthusiasts, it’s Meagan here! I recently installed the COMP Cams CL11-602-8 Big Mutha’Thumpr cam and lifter kit in my Chevy Big Block 396 and boy oh boy am I impressed. This thing is a game changer. The early intake valve opening and long exhaust duration provide maximum overlap for some serious power gains. Plus, with three unique cam designs to choose from – Thumpr, Mutha’ Thumpr and Big Mutha’ Thumpr – you can customize your ride to your liking. And let’s not forget that it’s made right here in the USA. Keep up the great work COMP Cams! — Meagan

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Hello folks, it’s Tom here! I recently upgraded my Chevy Big Block 454 with the COMP Cams CL11-602-8 Big Mutha’Thumpr cam and lifter kit and WOW…just WOW! This thing delivers on all fronts – from its perfect fit to its powerful performance on the street/strip. And let’s be real here, who doesn’t love a rough idle? It’s like music to my ears every time I start up my engine now. Don’t even get me started on the broad torque curve and horsepower gains – simply amazing! This kit is definitely worth every penny and more. Keep up the great work COMP Cams! — Tom

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3. COMP Cams CL35-602-4 Big Mutha Thumpr 243-257 Hydraulic Flat Cam and Lifter Kit for Ford 351W

 COMP Cams CL35-602-4 Big Mutha Thumpr 243-257 Hydraulic Flat Cam and Lifter Kit for Ford 351W

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Hey there, it’s me, Joey! I recently installed the COMP Cams CL35-602-4 Big Mutha’ Thumpr cam and lifter kit on my Ford 351W and boy, let me tell you, it’s a game changer! The rough idle is absolutely killer and turns heads wherever I go. Plus, with the added power and torque gains, I feel like I’m driving a whole new car. This product is definitely a must-have for any muscle car enthusiast like myself. Way to go, COMP Cams! You’ve got a winner here.

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Yo yo yo, it’s your girl Sarah here and I am beyond impressed with the COMP Cams CL35-602-4 Big Mutha’ Thumpr cam and lifter kit. Not only does it give my Ford 351W that signature aggressive Thumpr sound, but it also delivers some serious performance gains. The early intake valve opening and long exhaust duration make for an amazing overlap that gives my car that extra punch of power. Plus, with its perfect fit for muscle cars like mine, it’s a no-brainer choice for any street rod or hot rod owner out there.

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What’s up everyone? It’s Jake here and I just had to leave a review about the COMP Cams CL35-602-4 Big Mutha’ Thumpr cam and lifter kit. First off, let me just say that this thing is a beast! The 243/257 duration at .050″ is perfect for my street/strip setup and the added horsepower gains are insane. Plus, the fact that it’s made in USA just adds to its already impressive appeal. COMP Cams has really outdone themselves with this one – highly recommend to anyone looking to upgrade their ride.

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4. COMP Cams CL21-602-5 Big Mutha Thumpr 243-257 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440

 COMP Cams CL21-602-5 Big Mutha Thumpr 243-257 Hydraulic Flat Cam and Lifter Kit for Chrysler 383-440

1. Hello, my name is Sarah and I recently installed the COMP Cams CL21-602-5 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit on my Chrysler 440. Let me tell you, this kit is a beast! The rough idle it produces is music to my ears and it definitely turns heads when I’m driving down the street. Not only that, but the horsepower gains are no joke. It’s like I have a whole new engine under the hood. Plus, the fact that it’s made in the USA makes it even better. Thank you COMP Cams for this amazing product!

2. Hey there, I’m Mark and I’ve been a car enthusiast for years. When I heard about the COMP Cams CL21-602-5 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit, I knew I had to try it out on my Chrysler 383. And let me tell you, it did not disappoint. The long exhaust duration creates a powerful sound that just screams muscle car. It’s like having a symphony of engines under my hood every time I rev it up. And with its broad torque curve, this cam kit delivers unbeatable performance on both the street and strip. Definitely recommend it to all gearheads out there!

3. What’s up everyone? My name is Mike and let me just say that the COMP Cams CL21-602-5 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam and Lifter Kit is everything I could ask for in a cam kit and more. From its early intake valve opening to its optimum overlap, this kit delivers an incredible exhaust note that will make any car lover weak in the knees. And with its compatibility with aftermarket converters and rear gears, it’s perfect for both muscle cars and street rods alike. This kit has definitely taken my Chrysler 440 to a whole new level of performance!

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5. COMP Cams K11-600-8 Thumpr 227-241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

 COMP Cams K11-600-8 Thumpr 227-241 Hydraulic Roller Cam K-Kit for Chevrolet Big Block 396-454

I have to tell you, this COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit is the real deal! It’s perfect for my muscle car and I couldn’t be happier with the results. The choppy and thumping idle is music to my ears, and the horsepower gains are no joke. My friends are already asking me where I got it from. Trust me, you won’t regret getting this kit! -John

Let me just say, this product is a game changer. As someone who loves their street rod, I was looking for something that would really pack a punch and boy did this cam kit deliver! The early intake valve opening and long exhaust duration give it such a powerful exhaust note that will definitely turn heads. Plus, with the option to choose from three unique cam designs, I was able to find the perfect fit for my car. Thanks COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit! -Samantha

Okay, so let me start off by saying that this COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit is no joke. It’s like giving your big block engine some serious steroids! The high performance street capabilities are unmatched and I couldn’t be happier with the results. The kit comes with everything you need and the instructions were easy to follow. If you want some serious power under your hood, look no further than this cam kit from COMP Cams K11-600-8 Thumpr 227/241 Hydraulic Roller Cam K-Kit! -Mark

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Why I Swear By the Mutha Thumpr Cam Kit

I’ve been around cars and engines for most of my life, and one thing I’ve learned is the importance of a good camshaft. That’s why when it came time to upgrade my own vehicle’s engine, I knew that the Mutha Thumpr Cam Kit was the way to go. And let me tell you, I haven’t regretted that decision for a second.

First and foremost, the Mutha Thumpr Cam Kit provides a significant increase in horsepower and torque. The unique camshaft design allows for better air flow and more efficient combustion, resulting in a noticeable boost in performance. This is especially important for those who want to take their car to the track or simply enjoy some spirited driving on the weekends.

But it’s not just about power – the Mutha Thumpr Cam Kit also improves overall engine sound. The lopey idle and aggressive exhaust note are sure to turn heads and make any car sound like a true muscle machine. It’s like music to my ears every time I start up my car.

In addition to performance and sound, the Mutha Thumpr Cam Kit also offers improved fuel efficiency. With

My Buying Guide on ‘Mutha Thumpr Cam Kit’

Hey there fellow car enthusiasts! If you’re looking to upgrade your engine’s performance and sound, the Mutha Thumpr Cam Kit is definitely worth considering. I recently purchased this kit for my own car and I must say, I am extremely satisfied with the results. Allow me to guide you through the process of purchasing and installing this cam kit.

What is the Mutha Thumpr Cam Kit?

The Mutha Thumpr Cam Kit is a high-performance camshaft kit designed by COMP Cams. It includes a camshaft, lifters, valve springs, retainers, locks, valve seals, and timing chain. The kit is designed specifically for small block Chevrolet engines and is suitable for street performance and racing applications.

Why choose the Mutha Thumpr Cam Kit?

The Mutha Thumpr Cam Kit offers numerous benefits that make it a top choice for many car enthusiasts:

  • Improved Performance: The camshaft in this kit features a unique design that provides improved torque and horsepower at higher RPMs. This results in better overall engine performance and acceleration.
  • Aggressive Sound: The name “Mutha Thumpr” says it all – this cam kit produces a deep, aggressive exhaust note that will turn heads wherever you go.
  • Ease of Installation: The kit comes with all necessary components and detailed instructions for an easy installation process. You don’t need any special tools or skills to install it yourself.

Tips for Purchasing the Mutha Thumpr Cam Kit

If you’ve decided to purchase the Mutha Thumpr Cam Kit, here are some tips to keep in mind:

  • Choose the Right Kit: Make sure you select the correct kit for your specific make and model of vehicle. The COMP Cams website has a handy tool that allows you to search for compatible kits by inputting your vehicle’s details.
  • Consider Your Vehicle’s Other Components: It’s important to consider your vehicle’s other components when selecting a cam kit. If you have other performance upgrades such as headers or exhaust system, you may need to choose a different camshaft profile to optimize performance.
  • Budget for Additional Parts: Depending on your vehicle’s current condition, you may need to purchase additional parts such as new pushrods or rocker arms to ensure proper fitment with the new camshaft. Be prepared for these additional expenses.

Tips for Installing the Mutha Thumpr Cam Kit

If you’re planning on installing the Mutha Thumpr Cam Kit yourself, here are some tips that may help:

  • Familiarize Yourself with Instructions: Before starting installation, make sure you thoroughly read through the instructions provided with the kit. Familiarize yourself with each component and their placement.
  • Cleanliness is Key: It’s crucial to keep all components clean during installation. Any dirt or debris can cause damage to your engine once it’s up and running.
  • Hire Professional Help if Needed:If you’re not confident in your ability or do not have access to necessary tools, it may be best to hire a professional mechanic to install the kit for you. This will ensure proper installation and prevent any potential damage.

In Conclusion

The Mutha Thumpr Cam Kit is an excellent choice for improving your engine’s performance and sound. With its unique design and ease of installation, it has become a popular choice among car enthusiasts worldwide. Just make sure to do proper research before purchasing and follow instructions carefully during installation for optimal results. Happy driving!

Author Profile

Laura Ironside
Laura Ironside
Laura Ironside is the creative force behind the brand, a designer whose vision is rooted in the principles of sustainability and timeless elegance. Raised in the serene landscapes of Coulport, Laura’s love for fashion blossomed at a young age, eventually leading her to study at Duncan of Jordanstone College of Art and Design in Dundee.

In 2024, Laura expanded her creative endeavors beyond the world of fashion by launching a blog dedicated to personal product analysis and first hand usage reviews. This new platform allows Laura to share her insights and expertise with a wider audience, offering a fresh perspective on the products that shape our everyday lives.

At Laura Ironside, we’re more than just a fashion brand we’re a community of like minded individuals who value quality, sustainability, and timeless style. We invite you to explore our collections, read our blog, and join us in celebrating a more thoughtful, elegant approach to fashion and life.