Best Velocity Stacks For Motorcycles: Compare 50mm and 55mm Options

#1 · Best Overall

1. amavoler 50mm Stack

Best for: 50mm Carb Mouth Replacement.

Why it ranks #1: Its 50mm mouth fit and stated PE/VM 21mm–30mm carburetor range suit common listed setups, with a lightweight aluminum funnel inlet.

A 50mm filter-mouth fit is this amavoler stack’s defining specification, giving riders a clear starting point for matching it to a carburetor intake. Its lightweight aluminum-alloy construction and smooth funnel-shaped inlet make it a straightforward replacement option for compatible PE and VM carburetors on motorcycles, dirt bikes, and ATVs.

The listed 50mm / 1.97-inch mouth size narrows the fit to carburetors with a matching air-filter opening, while the stated PE sizes span 21mm through 30mm. That combination helps shoppers check carburetor family and mouth diameter separately before installation. Lightweight aluminum alloy keeps the part’s material weight down, and the smooth funnel inlet is intended to help airflow. The listing describes installation and use as easy, but supplies no included fastener details.

Skip it if you need a 55mm mouth; the Partuto 55mm stack matches that opening instead.

This suits riders replacing a 50mm-mouth intake part on a compatible PE or VM carburetor, including dirt-bike and ATV setups. Check both the opening and carburetor size range before choosing it.

Listed on Amazon as: 50mm Carburetor Air Filter Trumpet Velocity Stack Funnel CNC Alloy Parts Fit for PE VM 21mm,24mm,26mm,28mm,30mm, for Honda Yamaha Kawasaki ATV Dirt Bike Carb Intake Wind Horn Cup. (silver)

#2 · Best With Screws

2. Motoforti 50mm Stack

Best for: 50mm PWK Fit With Screws.

Why it ranks #2: The 50mm opening is listed for PWK24, PWK26, PWK28, and PWK30 carburetors; the package also includes three screws.

Three included screws distinguish this Motoforti 50mm stack from listings that specify only the intake part, giving buyers mounting hardware alongside its aluminum-alloy body. The smooth funnel-shaped inlet is intended to help airflow, and the stated PWK24, PWK26, PWK28, and PWK30 compatibility narrows the fit target.

Its 50mm / 1.97-inch carburetor-mouth size provides the main physical fit check, while the listed PWK24–30 models identify compatible carburetor families. The package includes three screws, which gives the installer specified mounting hardware rather than leaving that detail entirely open. Aluminum alloy supplies the stated durable construction, and the smooth funnel inlet is intended to help airflow. The listing recommends professional installation, so this is a more suitable choice for buyers prepared to follow that guidance.

Skip it if you need a 55mm mouth; Motoforti’s 55mm stack matches that listed opening instead.

This fits riders working with a compatible PWK24–30 carburetor who want a 50mm stack with three screws supplied. Match the mouth size and account for the listing’s professional-installation recommendation.

Listed on Amazon as: Motoforti Silver Tone 50mm Inner Dia Motorcycle Air Filter Intake Velocity Stack Aluminum Alloy

#3 · Best Mesh Filter

3. ZSDTRP 50mm Mesh Stack

Best for: Cleanable Mesh Filter Setup.

Why it ranks #3: This 50mm design lists SUS304 steel mesh and easy cleaning, with stated compatibility for PWK 21–30mm and PE28–30mm carburetors.

A SUS304 steel-mesh filter that is described as easy to clean sets this ZSDTRP stack apart for riders who want a maintenance-oriented carburetor intake. The 50mm cleaner is listed for PWK 21–30mm and PE28–30mm carburetors, pairing a stated fit range with a reusable cleaning workflow.

The 50mm air-cleaner size gives buyers a specific mouth measurement to compare with the carburetor, while the listed PWK and PE ranges help narrow application. Its SUS304 steel mesh is described as easy to clean, supporting routine filter maintenance without treating the assembly as a disposable element. The listing also calls out high-efficiency filtration to capture impurities, making this option relevant to riders prioritizing intake filtration; it does not provide a cleaning interval or detailed installation steps.

Skip it if you need a 55mm mouth; Motoforti’s 55mm stack fits that opening instead.

Choose this for a compatible PWK or PE carburetor when a cleanable mesh element is central to your intake routine. Its stated 50mm size and carburetor ranges remain the key fit checks.

Listed on Amazon as: Carburetor 50mm Air Filter Clean Velocity Stack CNC Aluminium Alloy with SUS304 Mesh For PWK 21-30mm PE28-30mm Carb(Red,50mm-H20)

#4 · Best Sponge Filter

4. ZSDTRP Short Stack

Best for: Short-Style Small-Carb Setup.

Why it ranks #4: Its package includes a sponge filter, steel mesh, and three screws; the listing identifies a 50mm size and PWK32–34mm fitment.

A short-style intake paired with a sponge filter and steel mesh gives this ZSDTRP stack a filtration-focused package for smaller-displacement applications. The listing identifies PWK32–34mm use and a 55mm size, while also emphasizing checking the carburetor’s air-filter-side outside diameter before purchase.

The sponge filter and steel mesh are included alongside three screws, so the package supplies both filter components and mounting hardware for installation. Its lightweight aluminum-alloy body is described as durable, while the short style is suggested for small-displacement use. Fit still hinges on the air-filter-side outside diameter matching; the listing’s broader PWK/PE size references do not replace that measurement. Checking available mounting space is sensible because the product is specifically described as short-style.

Skip it if you need a listed 50mm fit for a PE or VM carburetor; amavoler’s 50mm stack covers that stated range.

This is a candidate for riders seeking a short intake package with sponge and mesh filtration for a matching small-displacement setup. Measure the carburetor outlet and check space for the short-style assembly.

Listed on Amazon as: Carburetor Carb Velocity Stack Air Filter Cleaner Modified Trumpet Aluminum Alloy with Sponge Filter Steel Mesh for PWK32-34mm Short Style Fast Intake Suggest for Small Displacement (Titan, 55mm)

#5

5. GITOBEHA 50mm Stack

Best for: CNC-Finished 50mm Intake.

Why it ranks #5: The 50mm aluminum stack has CNC machining and anodized construction, while its listing calls for checking mounting space and carburetor size.

CNC machining and anodized aluminum give this GITOBEHA stack its most concrete distinction, combining a stated 50mm filter-mouth fit with a glossy finish. The smooth funnel-shaped intake is intended to help airflow, while the listing names PE and VM carburetors from 21mm to 30mm.

Its 50mm / 1.97-inch mouth specification is the essential installation check, and the listed PE/VM carburetor range helps identify possible applications without replacing that measurement. CNC-machined, anodized aluminum is described as lightweight and durable, with the glossy finish adding a visible styling consideration. The funnel-shaped inlet is intended to support airflow. The package specifies one 50mm stack, so buyers should plan around a single intake component rather than assume filter elements or extra hardware are included.

Skip it if you want a cleanable steel-mesh filter; the ZSDTRP 50mm stack lists that feature.

This fits riders prioritizing a CNC-finished, anodized intake for a compatible 50mm-mouth PE or VM carburetor. Verify mounting space and the opening measurement, particularly if replacing a complete filtered assembly.

Listed on Amazon as: 50mm CNC Carburetor Air Filter Trumpet Velocity Stack Funnel Fit for PE VM 21mm 24mm 26mm 28mm 30mm, Carb Intake Wind Horn Cup Compatible with Honda Yamaha Kawasaki ATV Dirt Bike,Red

#6 · Best 55mm Fit

6. X AUTOHAUX 55mm Stack

Best for: 55mm X AUTOHAUX Intake.

Why it ranks #6: Its 55mm mouth size suits buyers needing the larger listed opening, and the aluminum funnel is described as fitting many dirt bikes and ATVs.

A 55mm / 2.17-inch mouth size makes this X AUTOHAUX stack a targeted option for larger carburetor openings on compatible motorcycles, dirt bikes, and ATVs. Its aluminum-alloy body and smooth funnel inlet are listed as the core construction and airflow features, with Honda, Suzuki, Kawasaki, and Yamaha among the named applications.

The 55mm measurement is the primary fit checkpoint, and the product description’s broad vehicle examples help orient shoppers without confirming every individual carburetor. Aluminum alloy is described as durable and resistant to rust, while the smooth funnel-shaped inlet is intended to help airflow. The listing notes that its size is hand-measured and may differ by 1–3mm, a relevant tolerance when matching a close-fitting opening. Filter media and mounting hardware are not specified in the supplied details.

Skip it if you need a specified 50mm opening; Motoforti’s 50mm stack is sized for that mouth.

This suits a rider matching a 55mm opening who wants an alloy stack with a funnel inlet. Its stated 1–3mm hand-measurement variation makes precise fit checking especially relevant for a close mount.

Listed on Amazon as: X AUTOHAUX 55mm 2.17" Velocity Stack Carburetor Air Filter for Honda

#7

7. Motoforti 55mm Stack

Best for: 55mm Motoforti Replacement.

Why it ranks #7: This aluminum stack is specified for a 55mm carburetor mouth and lists broad dirt-bike and ATV use, including Honda, Suzuki, Kawasaki, and Yamaha.

Motoforti’s 55mm / 2.17-inch opening is the defining fit detail for this aluminum-alloy velocity stack, targeting carburetors with a larger filter mouth than 50mm options. The smooth funnel-shaped inlet is intended to help airflow, and the listing names common dirt-bike and ATV motorcycle applications including Honda, Suzuki, Kawasaki, and Yamaha.

Start with the 55mm mouth measurement, which is the specific compatibility point given; the broad motorcycle, dirt-bike, and ATV references do not remove the need to match the carburetor opening. Aluminum alloy is described as durable and resistant to rust, supporting use as a replacement intake component. The smooth funnel inlet is intended to help airflow, but the supplied information does not specify filter media or included screws, so buyers should account for those installation and filtration details separately.

Skip it if you need a 50mm opening and three screws; Motoforti’s silver-tone 50mm stack lists both.

Choose this for a replacement intake when the carburetor mouth measures 55mm and the listed motorcycle applications match your setup. Check the opening and plan separately for filter media or hardware not specified here.

Listed on Amazon as: Motoforti 55mm 2.17" Velocity Stack Carburetor Air Filter Intake for Honda

#8

8. Partuto 55mm Stack

Best for: 55mm Purple Dirt-Bike Fit.

Why it ranks #8: The 55mm aluminum funnel is listed for many dirt bikes, ATVs, and motorcycle makes; the product listing also includes a California warning.

A 55mm / 2.17-inch carburetor-mouth fit makes this Partuto stack a choice for riders whose intake opening exceeds common 50mm listings. Its aluminum-alloy construction and smooth funnel-shaped inlet are intended to support durability and airflow, while the purple finish adds a visible accent to compatible dirt bikes and ATVs.

The 55mm measurement is the key fit gate; the listing also describes broad use across dirt bikes, ATVs, and motorcycles, naming Honda, Suzuki, Kawasaki, and Yamaha examples. That range remains subject to matching the carburetor mouth. Aluminum alloy is described as durable and resistant to rust, and the smooth funnel inlet is intended to help airflow. Since the supplied details do not list filter media or mounting hardware, buyers should account for those needs separately when planning installation.

Skip it if you need a 50mm mouth; the GITOBEHA CNC stack lists that size instead.

This is for riders matching a 55mm carburetor mouth on a dirt bike, ATV, or compatible motorcycle and wanting a purple alloy intake. Confirm the opening before buying and plan for any separate filter needs.

Listed on Amazon as: 55mm 2.17" Velocity Stack Motorcycle Carburetor Air Filters Carb Funnel Trumpet Air Cleaner Intake Wind Horn Cup for Honda for Kawasaki Dirt Bike Aluminum Alloy Purple Replacement

#9

9. JYIS 50mm Stack

Best for: One-Piece CNC Aluminum Intake.

Why it ranks #9: It offers a 50mm CNC aluminum intake cup, but the supplied listing gives less specific carburetor fitment detail than higher-ranked 50mm options.

One-piece CNC aluminum construction is the JYIS stack’s clearest differentiator, with the listing describing a wear-resistant, rust-proof body that resists deformation. Its 50mm size identifies the intended intake opening, while the funnel-style form is presented as an airflow-oriented carburetor accessory.

The one-piece molding process is tied to a durable, rust-proof construction claim, which may matter to riders seeking a solid metal intake component for regular motorcycle use. A 50mm opening gives a concrete measurement for fit planning, and the funnel-style intake is intended to guide airflow. The product is identified as a carburetor air-filter accessory, but the supplied details do not specify a carburetor model range, filter medium, or included fasteners, so those details should not be assumed.

Skip it if you need a stated PWK fit range; amavoler’s 50mm stack lists PE and VM sizes.

Consider this for a rider seeking a one-piece CNC aluminum intake with a stated 50mm size. It is less specific about carburetor applications, so the opening and mounting arrangement need careful matching.

Listed on Amazon as: 50mm Velocity Stack Motorcycle Carburetor Air Filter

#10

10. XKMT CV Carb Stack

Best for: H-D CV Carb Styling Part.

Why it ranks #10: This chrome 6061 billet stack is aimed at H-D chopper CV carburetors, and it excludes an air-filter element and carburetor support.

A 6061 billet-aluminum body and chrome finish define this XKMT velocity stack for riders dressing a Harley-Davidson chopper CV-carburetor setup. It is an aftermarket custom part rather than an OEM component, and the listing calls out professional installation, making its custom-fit context important alongside its visual purpose.

The 6061 billet-aluminum construction supports the listed emphasis on a finished metal appearance, while the CV-carburetor and H-D chopper application makes this a more specific choice than a general 50mm dirt-bike intake. The listing says installation is easy, but its legal note also says modification may or may not be required and recommends professional installation. No air-filter element or carburetor support is included, so those components must be addressed separately in the setup.

Skip it if you need a supplied filter element and mounting screws; Motoforti’s silver-tone 50mm stack lists three screws.

This suits a Harley-Davidson chopper owner choosing a billet chrome look for a CV carburetor. Treat it as a custom aftermarket part, account for the missing filter and support, and consider professional installation.

Listed on Amazon as: XKMT- Chrome Billet Air Cleaner Velocity Stack CV Carb Carburetor Compatible With H-D Chopper [P/N: XH6005-039-CD]