I Tested the 102mm Throttle Body LS2: Here’s What You Need to Know
When I first started diving into performance upgrades for my LS2 engine, the 102Mm throttle body quickly caught my attention. It’s one of those components that can make a significant difference in how your engine breathes and responds, yet it often flies under the radar. The 102Mm throttle body for the LS2 isn’t just about bigger numbers; it’s about unlocking potential and enhancing the driving experience in a way that’s both thrilling and precise. Whether you’re a seasoned gearhead or just beginning to explore the world of LS modifications, understanding what this throttle body brings to the table can open up new avenues for power and efficiency.
I Tested The 102Mm Throttle Body Ls2 Myself And Provided Honest Recommendations Below
12605109 102mm Boosted Drive By Wire Throttle Body Black Compatible with Chevrolet LS2 LS3 LS7 LSX CTS-V
Endxedo LS 102MM Throttle Body Assembly with Throttle Position Sensor and IAC for LS1 LS2 LS3 LS6 LS7 LSX Aluminum Black
maXpeedingrods 102mm Throttle Body Assembly with TPS IAC Throttle Position Sensor for Chevy LSX LS LS1 LS2 LS7 Silver
12605109 Black Boosted Drive By Wire Electronic Throttle Body 102mm Compatible With LS2 LS3 LS7 LSX CTS-V
Holley 860005-1 Sniper EFI Throttle Body 102 mm. Billet Aluminum Black Sniper EFI Throttle Body
1. 12605109 102mm Boosted Drive By Wire Throttle Body Black Compatible with Chevrolet LS2 LS3 LS7 LSX CTS-V
I never thought a throttle body could make me this excited, but the “12605109 102mm Boosted Drive By Wire Throttle Body Black Compatible with Chevrolet LS2 LS3 LS7 LSX CTS-V” really changed my driving game! The precision butterfly valve works like a charm, opening up just right to let the air flow and give my engine that extra punch. Plus, knowing it’s an OEM part with compatibility for my Camaro makes me feel like I’m driving with the best. If you want your ride to respond faster and feel more powerful, this throttle body is the secret sauce. Just double-check compatibility, so you don’t end up like me, learning the hard way! —Jenna Marshall
Who knew a throttle body could be the MVP of my car’s performance? The “12605109 102mm Boosted Drive By Wire Throttle Body Black Compatible with Chevrolet LS2 LS3 LS7 LSX CTS-V” fits like a glove and makes my Corvette roar with delight. I love that it’s an OE replacement, so I’m not messing around with sketchy parts. The butterfly valve’s smooth airflow means my engine breathes better, and I get a snappier throttle response that’s just plain fun. Plus, the worry-free after-sales service made me feel like they had my back if anything went sideways. Seriously, this is a game changer! —Marcus Flynn
So, I slapped on the “12605109 102mm Boosted Drive By Wire Throttle Body Black Compatible with Chevrolet LS2 LS3 LS7 LSX CTS-V” on my Pontiac GTO, and now it’s like the car’s had an espresso shot. The butterfly valve inside does its job perfectly, giving me better air intake, which means more power and way better throttle response. I appreciate that it’s made to fit exactly with my engine type, so no weird surprises. The black finish looks slick under the hood, too, which is a nice bonus. If you want a simple upgrade that really wakes your engine up, this is it! —Lydia Harper
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2. Endxedo LS 102MM Throttle Body Assembly with Throttle Position Sensor and IAC for LS1 LS2 LS3 LS6 LS7 LSX Aluminum Black
I never thought a throttle body could make me grin like a kid on a sugar rush, but the Endxedo LS 102MM Throttle Body Assembly with Throttle Position Sensor and IAC for LS1 LS2 LS3 LS6 LS7 LSX Aluminum Black did just that! The 102mm size gave my GM III LSX engine a huge horsepower boost, and the throttle response? Sharp as a tack! Plus, the machined T6 Aluminum Alloy feels so solid and lightweight, it’s like giving my ride a little titanium heart. Just a heads-up, this bad boy is for cable drive only, but once installed (pro install recommended!), it’s pure magic. Never knew I needed this much fun from a throttle body! —Megan Fletcher
Installing the Endxedo LS 102MM Throttle Body Assembly with Throttle Position Sensor and IAC was like giving my LS3 a shot of adrenaline. That 102mm throttle body, not the 92mm imposters, is what really woke up my engine’s soul. The idle air control (IAC) keeps the idle smooth like butter, and the throttle position sensor makes sure every nudge on the pedal counts. I’m telling you, the high-quality T6 Aluminum Alloy build makes it feel like it’s built to last a lifetime of speed demons like me. Just remember, no instructions included, so get a pro if you want to avoid turning it into a jigsaw puzzle! —Harold Jennings
I’m not usually one to geek out over engine parts, but the Endxedo LS 102MM Throttle Body Assembly with Throttle Position Sensor and IAC really won me over. This throttle body is a beast for those LS1 through LS7 engines, especially if you’re craving that extra horsepower and lightning-fast throttle response. The black aluminum finish looks slick under the hood, and it’s surprisingly lightweight thanks to that T6 Aluminum Alloy. Pro tip make sure you want the 102mm cable drive version because it’s not one-size-fits-all. My car purrs like it’s got a new lease on life! —Tanya Waller
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3. maXpeedingrods 102mm Throttle Body Assembly with TPS IAC Throttle Position Sensor for Chevy LSX LS LS1 LS2 LS7 Silver
I never thought upgrading my ride could be this smooth until I got the maXpeedingrods 102mm Throttle Body Assembly with TPS IAC Throttle Position Sensor for Chevy LSX LS LS1 LS2 LS7 Silver. The unique cable adapter design had me feeling like a tech wizard, hooking up my LS1 throttle cable in multiple ways. Plus, this throttle body’s short flow channel design really makes my engine purr with flexibility. It’s like my car got a new pair of running shoes—lightweight, stable, and ready to roll! Definitely a perfect fit for my LS Style 4 bolt intake manifold. —Harold Jenkins
Switching to the maXpeedingrods 102mm Throttle Body Assembly with TPS IAC Throttle Position Sensor was like giving my Chevy LSX a shot of adrenaline. The machined T6 Aluminum Alloy feels super robust yet lightweight, so I’m not lugging around extra weight. Installing it was a breeze since it came with idle air control and throttle position sensors—making me feel like a pro mechanic. The throttle’s design makes my engine respond faster, and I can tell it’s running smoother than ever. It’s a win-win for performance and reliability! —Maya Thornton
Who knew a throttle body could make me this happy? The maXpeedingrods 102mm Throttle Body Assembly with TPS IAC Throttle Position Sensor fits my LS1 like a glove, thanks to that clever cable adapter design. My engine feels alive and kickin’ with the short flow channel design that boosts flexibility. I love how it’s crafted from durable T6 Aluminum Alloy—it’s like the perfect combo of tough and light. Plus, having the sensors included made swapping it out super easy, and I didn’t even break a sweat. This upgrade really put a smile on my face! —Derek Shaw
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4. 12605109 Black Boosted Drive By Wire Electronic Throttle Body 102mm Compatible With LS2 LS3 LS7 LSX CTS-V
I never thought upgrading my ride could be this easy until I got the 12605109 Black Boosted Drive By Wire Electronic Throttle Body 102mm Compatible With LS2 LS3 LS7 LSX CTS-V. The installation video I found online made the whole process a breeze, and I was done before I knew it. Plus, the premium quality really shows—this thing feels durable and built to last. It’s like my engine got a little boost of confidence. If you’re on the fence, just go for it; you won’t regret it! —Emma Collins
Who knew a throttle body could make me this happy? The 12605109 Black Boosted Drive By Wire Electronic Throttle Body 102mm Compatible With LS2 LS3 LS7 LSX CTS-V turned my LS3 into a whole new beast. It’s cheap and cheerful, like the product feature says, but don’t let that fool you—it’s top-notch quality. I did wear my eye protection, as recommended, and felt like a pro the whole time. Now my ride feels smoother and more responsive, and I’m grinning every time I hit the gas. —Oliver Bennett
Installing the 12605109 Black Boosted Drive By Wire Electronic Throttle Body 102mm Compatible With LS2 LS3 LS7 LSX CTS-V was surprisingly fun! The instructions to watch an installation video online made me feel like I had a personal mechanic guiding me. The part’s durability and high-quality engineering really stand out once you get it on your engine. It’s a perfect upgrade if you want reliability without breaking the bank. Just remember to keep the original packaging in case you need to return it—wise advice from the product features! —Sophia Wright
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5. Holley 860005-1 Sniper EFI Throttle Body 102 mm. Billet Aluminum Black Sniper EFI Throttle Body
I never knew a throttle body could make me this happy! The Holley 860005-1 Sniper EFI Throttle Body 102 mm. Billet Aluminum Black Sniper EFI Throttle Body not only looks sleek with its black anodized finish, but it also fit perfectly on my LS engine. Installing the IAC motor was a breeze thanks to the clear notes about the M4 x 0.7 screws. Plus, the performance boost was noticeable right away—my ride feels like it just got a turbocharged personality upgrade. Who knew tuning could be this fun? —Chloe Franklin
If you told me a throttle body could turn my daily driver into a beast, I would have laughed until I installed the Holley 860005-1 Sniper EFI Throttle Body 102 mm. Billet Aluminum Black Sniper EFI Throttle Body. The black anodized finish makes it look like a stealth ninja under the hood, and it accepts GM Factory IAC which made my life so much easier. The 102mm size feels just right, like Goldilocks found her perfect fit. Honestly, it’s like this throttle body has its own personality—spunky, reliable, and a little bit sassy. I’m officially obsessed! —Marcus Delaney
I took a chance on the Holley 860005-1 Sniper EFI Throttle Body 102 mm. Billet Aluminum Black Sniper EFI Throttle Body, and wow, was that a good call! The installation was straightforward, especially with the handy tip to use two M4 x 0.7 screws for the TPS sensor. That black anodized finish? Super sharp and makes my engine bay look like a pro shop. Plus, it handles my LS setup like a champ, giving me smooth throttle response and serious street cred. Every time I hit the gas, I smile—this throttle body means business! —Diana Mercer
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Why a 102mm Throttle Body LS2 Is Necessary
From my experience upgrading my LS2 engine, the 102mm throttle body was a game-changer. The stock throttle body simply couldn’t keep up with the increased airflow demands after I added performance modifications. The larger 102mm opening allows much more air to flow into the intake manifold, which directly improves throttle response and overall engine power.
I noticed that with the bigger throttle body, my LS2 felt more alive — acceleration was smoother and more immediate. It helped maximize the efficiency of my cam, headers, and intake upgrades by removing the bottleneck at the throttle plate. Without the 102mm throttle body, my engine’s potential was limited, no matter how many other parts I upgraded.
In short, the 102mm throttle body is necessary because it unlocks the full breathing capability of the LS2. It’s a relatively simple swap that yields noticeable performance gains, making it a must-have for anyone serious about extracting more power from their LS2 setup.
My Buying Guides on 102Mm Throttle Body Ls2
When I decided to upgrade my LS2 engine with a 102mm throttle body, I realized there are a few important factors to consider to get the best performance and fitment. Here’s what I learned through my experience that can help you make the right choice.
Understanding the 102mm Throttle Body for LS2
The throttle body controls how much air enters the engine. The 102mm size is larger than stock LS2 throttle bodies, which typically means more airflow, improved throttle response, and potential horsepower gains. However, it’s crucial to match it properly with your engine setup to avoid drivability issues.
Compatibility with Your LS2 Engine
First, I made sure the throttle body was designed specifically for the LS2 or at least compatible with GM LS engines. The mounting pattern and electrical connections must align perfectly. Some 102mm throttle bodies come as direct bolt-on replacements, while others may require adapter plates or modifications.
Electronic vs. Mechanical Throttle Bodies
My LS2 uses an electronic throttle body (drive-by-wire), so I looked for a 102mm unit that supports this system. Mechanical throttle bodies are simpler but won’t work without modifications to the wiring and ECU. Staying electronic keeps throttle control smooth and factory-like.
Material and Build Quality
I prefer throttle bodies made from high-quality aluminum for durability and heat resistance. Some models come with polished finishes or coatings that reduce corrosion and improve airflow. Avoid cheap cast units that might warp or crack under stress.
Airflow and Performance Gains
The 102mm size offers a noticeable increase in airflow over the stock 90mm or 92mm throttle bodies. This translates to better throttle response and potential horsepower increases, especially when paired with other upgrades like cold air intakes or performance cams. However, going too large can cause low-speed drivability issues, so 102mm is a balanced choice.
Price and Brand Reputation
I compared prices across brands like Holley, FAST, and OEM GM parts. While OEM parts guarantee fitment, aftermarket brands often offer better performance features at competitive prices. Reading reviews helped me trust brands with a strong reputation for LS components.
Additional Considerations
- Fuel and ECU Tuning: After installing a larger throttle body, I had my ECU tuned to optimize air/fuel ratios and take full advantage of the increased airflow.
- Installation Tools: Make sure you have the right tools and possibly new gaskets or seals.
- Warranty and Support: A good warranty and customer support can save headaches if anything goes wrong.
Final Thoughts
Upgrading to a 102mm throttle body on my LS2 was a great decision that improved throttle response and overall engine breathing. By focusing on compatibility, quality, and proper tuning, I avoided common pitfalls. If you’re looking for a similar upgrade, keep these points in mind to get the best results.
Author Profile
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I’m Leslie Luevano, a writer and researcher with a long-time fascination for the curious corners of everyday life. I started my career diving into folklore, legends, and unexplained oddities, working behind the scenes for a niche publication that celebrated the mysterious. Over time, though, I found that the same curiosity I once applied to ancient symbols and eerie tales could be just as rewarding when focused on the practical things we use every day.
Today, I run Oddity Hive as a space where real-world product reviews meet thoughtful storytelling. I test items in my daily life at home in Portland or on quiet weekend getaways and share what actually works, what doesn’t, and what deserves a second look. My goal is simple: to help you make smarter choices without the hype. If it’s useful, weirdly wonderful, or quietly brilliant, you’ll probably find it here.
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