Looking for the best manifold spacers to upgrade your engine’s performance? This guide offers a curated list of top manifold spacers, tailored to enhance your vehicle’s power, efficiency, and overall driving experience.
Manifold spacers are a simple yet powerful upgrade for your engine. They improve airflow and cool intake air, boosting performance and efficiency. Whether you’re tuning a car, ATV, or scooter, the right spacer can make a big difference.
Choosing the best manifold spacer depends on your vehicle and engine type. From aluminum alloys to thermal polymers, each material offers unique benefits. This guide will help you find the perfect fit for your needs, ensuring reliable results.
Upgrade your ride today. Boost power, save fuel, and enjoy smoother performance. Let’s get started!
List of Top 10 Manifold Spacers
| Image | Title | Best For | Price |
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CQSPMOTO 19mm 20mm Carburetor Intake Manifold Gasket Spacer Seal for 50cc 70cc 90cc 110cc 125cc Engine XR CRF 50 70 for SDG SSR SunL TaoTao ATV 4 Wheeler Quad Pit Bike Dirt Bike Scooter Go Kart 2 Sets |
This CQSPMOTO carburetor gasket spacer seal is perfect for owners of small engine vehicles like ATV 4-wheelers, pit bikes, dirt bikes, scooters, and go-karts. It’s ideal for those with 50cc to 125cc engines who need a reliable seal to improve airflow and performance. |
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GY6 50cc Intake Manifold Spacer / 17mm Gasket Kit for Chinese Scooters Mopeds QMB139 Motor Pack of 2 |
This GY6 50cc Intake Manifold Spacer is perfect for scooter and moped owners who need a reliable upgrade. It’s ideal for Chinese scooters with GY6 50cc, 60cc, or big bore motors. If you own a Jonway, Taotao, or similar model, this 2-pack gasket kit is a must-have for better performance. |
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Tektall Alloy 1″ Intake Manifold Spacer Replace for Ford GT-40 5.0 Mustang explorer Cobra 1987-1993 Durable |
This Tektall Alloy Intake Manifold Spacer is perfect for Ford Mustang, Explorer, and Cobra owners from 1987 to 1993 who want to boost their engine’s performance. It’s ideal for those seeking more horsepower and better efficiency. |
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Woosphy 5/8″ Intake Manifold Thermal Shield Plenum Spacer Replacement for Nissan 350Z Infiniti G35 3.5L V6 2002-2009 |
This Woosphy 5/8″ Intake Manifold Thermal Shield Plenum Spacer is perfect for Nissan 350Z and Infiniti G35 owners with non RevUp engines. It fits 2002-2009 models, keeping your engine cooler and running smoothly. |
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FUSCH Set of 8 Fuel Injector Spacers,Convert short LS2 Truck fuel injectors into taller LS1/LS6 intake manifolds and fuel rails ,6061 Aluminum Alloy |
This FUSCH Fuel Injector Spacer Kit is perfect for car enthusiasts and DIY mechanics who want to upgrade their LS2 Truck fuel injectors to fit LS1/LS6 intake manifolds. It’s easy to install and built to last, making it ideal for anyone looking to improve their engine’s performance. |
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FLYPIG Intake Manifold Gasket Spacer Insulator for GY6 125cc 150cc 4 Stroke QMI152 157 150cc GY6B 4 Stroke ZNEN Engines Taotao Roketa ATV Dirt Bike Go Kart 4 Wheeler |
This intake manifold gasket spacer is perfect for owners of GY6 125cc or 150cc engines. It’s ideal for ATVs, dirt bikes, go-karts, and scooters from brands like TaoTao, Roketa, and Hammerhead. |
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FASWORX Exhaust Manifold & Riser Kit for MerCruiser 7.4L (454) 8.2L (502) Big Block V8 (1981-2002), Wet Joint 4” Center-Rise Elbow with 3 Inch Spacers, Replaces 807078T08, 807988A03, 807477A4 |
This FASWORX Exhaust Manifold & Riser Kit is perfect for boat owners with MerCruiser Big Block V8 engines (7.4L or 8.2L) made between 1981 and early 2002. It’s ideal for those needing a reliable replacement for worn-out exhaust parts. |
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Upgrade Fuel Injector Spacer Set – LS1/LS6 to LS Truck Intake Manifold Adapter Kit 8pcs, 551371 |
This Upgrade Fuel Injector Spacer Set is perfect for car enthusiasts and DIY mechanics who want to upgrade their LS engines. It’s ideal for those swapping intakes or adapting fuel systems with ease and reliability. |
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CNC Carburetor Spacer Joint Intake Manifold For Yamaha Golf Cart G2 G5 G8 G9 G11 G14 (Only Use A Edition) 1985-1996 J38-13596-00-00 |
This CNC Carburetor Spacer Joint Intake Manifold is perfect for Yamaha Golf Cart owners with models G2-A, G5-A, G8-A, G9-A, G11-A, or G14-A made between 1985 and 1996. It’s ideal for those needing a reliable replacement with easy installation and peace of mind from 24-hour customer service and a 1-year product guarantee. |
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Thermal Shield Intake Plenum Spacer BXIM-40201 Compatible with Nissan 350Z / Infiniti G35 5/16 Inch Intake Manifold Plenum Spacer BXIM-40201-G2 |
This Thermal Shield Intake Plenum Spacer is perfect for car enthusiasts who want to boost their Nissan 350Z or Infiniti G35’s performance. It’s easy to install and affordable, making it a great upgrade for anyone looking to improve engine efficiency. |
Detailed Reviews
Discover the top 10 manifold spacers handpicked for performance, durability, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your vehicle. Whether you’re upgrading an ATV, scooter, or high-performance car, this guide simplifies your choice with clear, easy-to-read insights.
1. CQSPMOTO 19mm 20mm Carburetor Intake Manifold Gasket Spacer Seal for 50cc 70cc 90cc 110cc 125cc Engine XR CRF 50 70 for SDG SSR SunL TaoTao ATV 4 Wheeler Quad Pit Bike Dirt Bike Scooter Go Kart 2 Sets

The CQSPMOTO Carburetor Intake Manifold Gasket Spacer Seal is a must-have for your ATV, dirt bike, or go kart. It comes in a pack of 2 sets, with all the essential parts included for a perfect fit. This kit is designed to work with 50cc to 125cc engines.
It fits many Chinese-made vehicles and brands. The rubber gasket and paper pads work together to prevent air leaks. This improves airflow and engine performance. The O-rings ensure a tight seal.
Before ordering, check your model and size. This gasket spacer seal is compatible with most carburetors and intake manifolds. It’s a reliable choice for better engine efficiency.
| Pros | Cons |
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Perfect For:
This CQSPMOTO carburetor gasket spacer seal is perfect for owners of small engine vehicles like ATV 4-wheelers, pit bikes, dirt bikes, scooters, and go-karts. It’s ideal for those with 50cc to 125cc engines who need a reliable seal to improve airflow and performance.
Ready to Purchase?
2. GY6 50cc Intake Manifold Spacer / 17mm Gasket Kit for Chinese Scooters Mopeds QMB139 Motor Pack of 2

This GY6 50cc Intake Manifold Spacer kit is perfect for Chinese scooters. It comes with two sets of spacers and gaskets. The 17mm inner diameter fits many models.
It works with GY6 50cc, 60cc, and big bore engines. Fits brands like Jonway, Taotao, and Ice Bear.
The bolt hole spacing is 45mm. Each set includes two spacers and gaskets.
| Pros | Cons |
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Perfect For:
This GY6 50cc Intake Manifold Spacer is perfect for scooter and moped owners who need a reliable upgrade. It’s ideal for Chinese scooters with GY6 50cc, 60cc, or big bore motors. If you own a Jonway, Taotao, or similar model, this 2-pack gasket kit is a must-have for better performance.
Ready to Purchase?
3. Tektall Alloy 1″ Intake Manifold Spacer Replace for Ford GT-40 5.0 Mustang explorer Cobra 1987-1993 Durable

The Tektall Alloy 1″ Intake Manifold Spacer is built to last. It’s made of high-quality alloy for durability. Perfect for Ford Mustang 5.0L GT-40, Explorer, and Cobra (1987-1993).
This spacer reduces heat transfer from the engine. It helps cool the intake air, boosting horsepower. Simple to install with included hardware.
The package includes the spacer, two gaskets, and a mounting kit. Check your vehicle’s fit before buying. Upgrade your engine’s performance today!
| Pros | Cons |
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Perfect For:
This Tektall Alloy Intake Manifold Spacer is perfect for Ford Mustang, Explorer, and Cobra owners from 1987 to 1993 who want to boost their engine’s performance. It’s ideal for those seeking more horsepower and better efficiency.
Ready to Purchase?
4. Woosphy 5/8″ Intake Manifold Thermal Shield Plenum Spacer Replacement for Nissan 350Z Infiniti G35 3.5L V6 2002-2009

The Woosphy 5/8″ Intake Manifold Thermal Shield Plenum Spacer is a perfect replacement for specific Nissan and Infiniti models. It fits Nissan 350Z coupes and roadsters from 2002 to 2009. It also works for Infiniti G35 sedans and coupes from 2003 to 2007.
This 5/8″ thick spacer is designed for non-RevUp engines. It ensures a precise fit and reliable performance for your vehicle.
| Pros | Cons |
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Perfect For:
This Woosphy 5/8″ Intake Manifold Thermal Shield Plenum Spacer is perfect for Nissan 350Z and Infiniti G35 owners with non RevUp engines. It fits 2002-2009 models, keeping your engine cooler and running smoothly.
Ready to Purchase?
5. FUSCH Set of 8 Fuel Injector Spacers,Convert short LS2 Truck fuel injectors into taller LS1/LS6 intake manifolds and fuel rails ,6061 Aluminum Alloy

The FUSCH Fuel Injector Spacers let you use LS2 Truck fuel injectors with LS1/LS6 intake manifolds. This set of 8 spacers makes installation simple.
Each spacer is 0.93 inches long, adding 0.46 inches to your injector. They are made from 6061 aluminum, which resists corrosion and lasts a long time.
These spacers are easy to install, with no special tools needed. The plug-and-play design ensures quick setup. Each package includes 8 spacers.
| Pros | Cons |
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Perfect For:
This FUSCH Fuel Injector Spacer Kit is perfect for car enthusiasts and DIY mechanics who want to upgrade their LS2 Truck fuel injectors to fit LS1/LS6 intake manifolds. It’s easy to install and built to last, making it ideal for anyone looking to improve their engine’s performance.
Ready to Purchase?
6. FLYPIG Intake Manifold Gasket Spacer Insulator for GY6 125cc 150cc 4 Stroke QMI152 157 150cc GY6B 4 Stroke ZNEN Engines Taotao Roketa ATV Dirt Bike Go Kart 4 Wheeler

The FLYPIG Intake Manifold Gasket Spacer Insulator is a must-have for GY6 engines. It fits 125cc and 150cc models, including QMI152/157 and GY6B ZNEN engines. This part works with many ATV, dirt bike, and go-kart brands.
It’s brand new and smooth on both sides. The inner diameter is 23mm, ensuring a perfect fit. This spacer is easy to install and improves engine performance.
The package includes one intake manifold spacer. It’s compatible with Japanese-style engines like Honda, Yamaha, and Suzuki. This part is reliable and built to last.
| Pros | Cons |
|---|---|
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Perfect For:
This intake manifold gasket spacer is perfect for owners of GY6 125cc or 150cc engines. It’s ideal for ATVs, dirt bikes, go-karts, and scooters from brands like TaoTao, Roketa, and Hammerhead.
Ready to Purchase?
7. FASWORX Exhaust Manifold & Riser Kit for MerCruiser 7.4L (454) 8.2L (502) Big Block V8 (1981-2002), Wet Joint 4” Center-Rise Elbow with 3 Inch Spacers, Replaces 807078T08, 807988A03, 807477A4

The FASWORX Exhaust Manifold & Riser Kit is a perfect fit for MerCruiser 7.4L and 8.2L engines. It works with models from 1981 to early 2002.
This kit is designed for “Wet Joint” systems with a 4-inch exhaust outlet. It includes 3-inch spacers for easy installation.
Quality is key: Each part is tested for leaks and comes with stainless steel gaskets. Protects your engine and ensures a perfect seal.
| Pros | Cons |
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Perfect For:
This FASWORX Exhaust Manifold & Riser Kit is perfect for boat owners with MerCruiser Big Block V8 engines (7.4L or 8.2L) made between 1981 and early 2002. It’s ideal for those needing a reliable replacement for worn-out exhaust parts.
Ready to Purchase?
8. Upgrade Fuel Injector Spacer Set – LS1/LS6 to LS Truck Intake Manifold Adapter Kit 8pcs, 551371

The Upgrade Fuel Injector Spacer Set is a must-have for engine upgrades. It adapts LS1/LS6 intakes to LS truck injectors. This 8-piece kit ensures a perfect fit.
Made from aircraft-grade aluminum and high-temp rubber, it offers durability and leak-proof performance. The OEM-spec design guarantees hassle-free installation.
Every part is rigorously tested for long-term reliability. Backed by a 1-year guarantee, it’s a trusted choice for your fuel system needs.
| Pros | Cons |
|---|---|
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Perfect For:
This Upgrade Fuel Injector Spacer Set is perfect for car enthusiasts and DIY mechanics who want to upgrade their LS engines. It’s ideal for those swapping intakes or adapting fuel systems with ease and reliability.
Ready to Purchase?
9. CNC Carburetor Spacer Joint Intake Manifold For Yamaha Golf Cart G2 G5 G8 G9 G11 G14 (Only Use A Edition) 1985-1996 J38-13596-00-00

Upgrade your Yamaha golf cart with this CNC carburetor spacer joint intake manifold. It’s designed for specific models, ensuring a perfect fit. Improve performance with this high-quality part.
This part fits Yamaha Golf Cart G2-A, G5-A, G8-A, G9-A, G14-A, and G11-A models. Check your cart’s year and edition to confirm compatibility.
The package includes the CNC carburetor intake manifold and two gaskets. Enjoy 24-hour customer service and a 1-year product warranty for peace of mind.
| Pros | Cons |
|---|---|
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Perfect For:
This CNC Carburetor Spacer Joint Intake Manifold is perfect for Yamaha Golf Cart owners with models G2-A, G5-A, G8-A, G9-A, G11-A, or G14-A made between 1985 and 1996. It’s ideal for those needing a reliable replacement with easy installation and peace of mind from 24-hour customer service and a 1-year product guarantee.
Ready to Purchase?
10. Thermal Shield Intake Plenum Spacer BXIM-40201 Compatible with Nissan 350Z / Infiniti G35 5/16 Inch Intake Manifold Plenum Spacer BXIM-40201-G2

The Thermal Shield Intake Plenum Spacer BXIM-40201 is made of high-quality thermal polymer. It fits Nissan 350Z and Infiniti G35 models from 2003 to 2005. This 5/16-inch spacer is easy to install.
It increases manifold capacity and lowers intake air temperature. This improves engine performance and efficiency.
Before buying, verify your vehicle model. If you have questions, contact us by email. We’re here to help!
| Pros | Cons |
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Perfect For:
This Thermal Shield Intake Plenum Spacer is perfect for car enthusiasts who want to boost their Nissan 350Z or Infiniti G35’s performance. It’s easy to install and affordable, making it a great upgrade for anyone looking to improve engine efficiency.
Ready to Purchase?
Buying Guide
Manifold spacers are a simple upgrade that can boost your engine’s power and efficiency. They improve airflow and cool intake air, giving you better performance. Whether you’re tuning a car, ATV, or scooter, the right spacer makes a big difference.
Factors to Consider When Buying Manifold Spacers:
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Vehicle Compatibility:
Make sure the spacer fits your vehicle’s make and model. Check the engine type and size for a perfect match. -
Material:
Choose between aluminum alloys for durability or thermal polymers for heat resistance. Each material offers unique benefits. -
Thickness:
The spacer’s thickness affects airflow and cooling. Pick the right size for your engine’s needs. -
Gasket and Seal Quality:
Look for high-quality gaskets and O-rings to prevent air leaks and ensure a tight seal. -
Installation Ease:
Opt for spacers with included hardware and clear instructions for a hassle-free setup. -
Brand and Reviews:
Choose trusted brands with positive reviews for reliable performance and longevity. -
Price and Value:
Compare prices to find the best value without compromising on quality or features.
Upgrade your ride today and enjoy smoother performance, better fuel efficiency, and increased power!