If you’re chasing quicker revs and reduced rotating mass, removing the balance shafts from your engine can be a game-changer. These kits eliminate the parasitic drag of the shafts, freeing up horsepower and improving throttle response. But with so many options on the market, choosing the right one for your specific engine can be overwhelming.
This guide breaks down the top five balance shaft delete kits, covering fitment, materials, and performance benefits. Whether you drive a Ford Duratec, a Honda H22, or an LS-powered truck, you’ll find the information you need to make an informed decision and get the most out your engine build.
CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
Balance Shaft Delete BSD Kit Compatible with Ford Duratec and Mazda MZR 4 C…
Best forFord and Mazda performance builds
- Lightweight 6061 aluminum construction
- Superior O-ring longevity
ConsiderLimited to Duratec/MZR engines
Aspaton Balance Shaft Eliminator Kit Compatible with H22A H23 Non-Vtec BSD
Best forHonda H22 and H23 engines
- High-strength aluminum and steel
- Reduces internal drag
ConsiderNot for VTEC versions
Massive Baffle Oil Pan Made USA Balance Shaft Delete Compatible with Mustan…
Best forMustang EcoBoost track use
- Includes balance shaft delete
- Baffle prevents oil starvation
ConsiderSpecific to EcoBoost Mustang
COMP CAM 54-469-11 LSR Rectangular Port .617/.624 Camshaft Rebuild Kit | GM…
Best forHigh-performance LS builds
- Complete valvetrain kit
- High-quality components
ConsiderNot a direct balance shaft delete
Brian Tooley Racing Stage 2 LS Truck Camshaft V3 Cathedral Port Kit | Fits …
Best forLS truck performance upgrades
- Aggressive idle and torque
- Complete kit with components
ConsiderNot a balance shaft delete
Massive Speed System BSD Kit – Lightweight Aluminum for Ford & Mazda
Brand: Massive Speed System
A top-tier choice for Duratec and MZR owners seeking reliable weight reduction.
The Massive Speed System Balance Shaft Delete Kit is engineered specifically for Ford Duratec and Mazda MZR engines in vehicles like the Ford Escape, Fusion, and Mazda 3. Its standout feature is the all-6061 aluminum construction, which matches the thermal expansion rate of the OE aluminum block. This ensures a reliable seal even under extreme temperature changes, something you won’t get with steel or other materials.
The kit includes a blue Fluorosilicone O-ring that outlasts the standard buna rubber used by competitors, plus a hardened fine-pitch bolt and washer for maximum strength. You also get the necessary Loc-Tite for a secure installation. If you own a 2.0L, 2.3L, or 2.5L Duratec or MZR, this kit is a direct fit and will help you shed weight and reduce rotating mass without compromising durability.
- Lightweight 6061 aluminum construction
- Superior O-ring longevity
- Includes Loc-Tite for secure install
- Limited to Duratec/MZR engines
- Price may be higher than some
Aspaton Balance Shaft Eliminator – High-Strength for Honda H22/H23
Brand: Aspaton
A solid pick for H22/H23 owners wanting sharper throttle response.
The Aspaton Balance Shaft Eliminator Kit is built for Honda H22A, H22A1, and H23 non-VTEC engines. It replaces the factory balance shafts with a high-strength aluminum and stainless steel assembly, designed to withstand wear, heat, and vibration. This makes it suitable for both daily driving and aggressive track use.
By removing the balance shafts, you reduce internal drag and rotational mass, which translates to quicker revs and improved throttle response. The kit is a direct replacement, and the replacement part number 1320-h22a4-bsd ensures compatibility. If you’re looking to wake up your H-series engine without major modifications, this kit delivers noticeable gains in engine response and overall performance.
- High-strength aluminum and steel
- Reduces internal drag
- Direct fit for H-series
- Not for VTEC versions
- May require careful installation
Massive Baffle Oil Pan – Balance Shaft Delete for Mustang EcoBoost
Brand: Massive Speed System
A premium package for EcoBoost owners seeking performance and reliability.
The Massive Baffle Oil Pan is a comprehensive solution for Ford Mustang EcoBoost 2.3L Turbo (S550, 2015-present) owners. It includes a balance shaft delete kit, saving you 19 pounds, 11 of which are rotating mass. This is a significant reduction that improves engine responsiveness and reduces parasitic loss.
The oil pan features a baffle system that keeps oil at the pickup tube, even during hard cornering or acceleration, preventing oil starvation. The anodized finish promotes efficient oil drain back, ensuring consistent lubrication. This kit is ideal for track enthusiasts or anyone pushing their EcoBoost to the limit, as it combines weight savings with improved oil control.
- Includes balance shaft delete
- Baffle prevents oil starvation
- Saves 19 pounds total
- Specific to EcoBoost Mustang
- Higher price point
Comp Cam LSR Rebuild Kit – Complete LS Valvetrain Package
Brand: REDLINE ENGINE SUPPLY
An excellent all-in-one upgrade for serious LS enthusiasts.
The Comp Cam 54-469-11 LSR Rectangular Port Rebuild Kit from Redline Engine Supply is a comprehensive package for LS engines. It includes a Comp Cam LSR camshaft with 231/247 duration at .050 and .617/.624 lift, designed for 2,000-7,000 RPM operation. This cam is ideal for high-performance street and strip applications, offering strong mid-range and top-end power.
The kit also comes with 16 .660 dual valve springs, hardened pushrods, and GM 12499225 lifters, along with a 7102 billet timing set. Everything is assembled by expert engineers to ensure quality and reliability. While this isn’t a traditional balance shaft delete, it’s a complete valvetrain upgrade that reduces internal friction and improves engine response, making it a valuable addition to any LS build.
- Complete valvetrain kit
- High-quality components
- Includes cam, springs, pushrods
- Not a direct balance shaft delete
- Requires professional installation
BTR Stage 2 LS Truck Cam Kit – Aggressive Idle and Mid-Range Power
Brand: BTR Brian Tooley Racing
A reliable way to add power and sound to your LS truck.
The Brian Tooley Racing Stage 2 LS Truck Camshaft V3 Kit is tailored for cathedral port engines like the 4.8L, 5.3L, and 6.0L found in trucks and SUVs. With 208/21X duration, .549/.549 lift, and a 108.5 LSA, this cam delivers a noticeable idle chop and strong mid-range torque, perfect for daily drivers that need extra punch.
This kit bundles essential supporting components to simplify installation and maintain valvetrain reliability. While it’s not a balance shaft delete per se, it reduces internal friction and improves throttle response, giving your truck a more aggressive feel. If you want to wake up your LS truck without sacrificing drivability, this BTR kit is a proven choice.
- Aggressive idle and torque
- Complete kit with components
- Designed for cathedral port heads
- Not a balance shaft delete
- May affect fuel economy
Buyer’s Guide: What to Consider
Choosing the right balance shaft delete kit involves more than just picking the cheapest option. You need to consider engine fitment, material quality, and what you want to achieve. This guide highlights key factors to help you make a smart purchase.
- Engine Compatibility: Ensure the kit is designed for your specific engine model and year. For example, the Massive kit fits Ford Duratec and Mazda MZR, while the Aspaton is for Honda H22/H23. Using the wrong kit can lead to fitment issues or engine damage.
- Material Quality: Look for kits made from high-strength aluminum or stainless steel. Aluminum matches the thermal expansion of the engine block, reducing seal failures. Stainless steel offers durability against heat and vibration, as seen in the Aspaton kit.
- Included Components: Check what's included in the kit. Some kits come with O-rings, bolts, and Loc-Tite, while others may include additional parts like oil pans or camshafts. A complete kit simplifies installation and ensures you have everything needed.
- Performance Gains: Balance shaft deletes reduce rotating mass, leading to quicker revs and improved throttle response. Some kits, like the Massive oil pan, also improve oil control. Consider your performance goals—whether it's track use or daily driving—and choose accordingly.
- Installation Complexity: Some kits are straightforward bolt-on, while others, like camshaft kits, require professional installation. Evaluate your mechanical skills and tools. Kits with detailed instructions or pre-assembled components can save time and reduce errors.
Conclusion
Balance shaft delete kits are a proven way to reduce rotating mass and improve engine response. Whether you drive a Ford, Mazda, Honda, or LS-powered vehicle, there’s a kit that fits your needs. The Massive Speed System and Aspaton kits are excellent for their specific engine families, while the BTR and Comp Cam packages offer broader performance upgrades.
For most enthusiasts, the Massive Speed System kit for Duratec/MZR engines is a top pick due to its quality and weight savings. If you own an EcoBoost Mustang, the Massive Baffle Oil Pan is a comprehensive solution. Always verify compatibility and installation requirements before purchasing to ensure a smooth upgrade.
Erica Steven is the founder and lead writer of WorstBrands, a site dedicated to providing honest and trustworthy reviews about outdoor gear and fashion products.
With a passion for exploring the great outdoors and staying up to date on the latest fashion trends, Erica uses her expertise to provide valuable insights into the products that matter most to her readers.
Whether you're looking for camping equipment or the latest fashion accessories, Erica's articles are the perfect resource for finding the best products that fit your lifestyle.