Automotive

The Best Powersports Cylinder Heads

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Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Upgrading your powersports vehicle's cylinder heads can significantly boost performance, whether you're seeking more horsepower for racing or improved efficiency for recreational riding. The right cylinder head not only enhances power output but also contributes to engine longevity and reliability. Making an informed decision ensures you get the most out of your investment and your machine.

SaleNo. 1
Kawasaki Genuine 99999-0627 Complete Cylinder Head Kit #1 For FR FS FX651V-730V
  • · Genuine Kawasaki Part # 99999-0627
  • · Cylinder #1 is Closest to the Flywheel on Fuel Pump Side
  • · Cylinder Head Kit Comes Assembled with Valves, Valve Guides, Keepers, Oil Seals and Springs Already Installed
  • · Cylinder Head Kit Contains: Cylinder Head, Head Gasket, Valve Cover Gasket, Oil Seal, Intake Valve, Exhaust Valve, Valve Springs, Valve Retainer Springs, Collets, Brackets, Bolts, Manifold Gaskets, O-rings, Exhaust Gaskets & Studs
  • · Fits Kawasaki FR651V, FR691V, FR730V, FS651V, FS691V, FS730V, FX651V, FX691V, FX730V 726cc Model Engines
No. 2
Kawasaki Genuine 99999-0628 Complete Cylinder Head Kit #2 for FR FS FX651V-730V
  • · Genuine Kawasaki Part # 99999-0628
  • · Cylinder #2 is Farthest from the Flywheel on Oil Filter Side
  • · Cylinder Head Kit Comes Assembled with Valves, Valve Guides, Keepers, Oil Seals and Springs Already Installed
  • · Cylinder Head Kit Contains: Cylinder Head, Head Gasket, Valve Cover Gasket, Oil Seal, Intake Valve, Exhaust Valve, Valve Springs, Valve Retainer Springs, Collets, Brackets, Bolts, Manifold Gaskets, O-rings, Exhaust Gaskets & Studs
  • · Fits Kawasaki FR/FS/FX651V-730V 726cc Model Engines
No. 3
Kawasaki OEM 99999-0625 Complete Cylinder Head Kit #2 For FX751V FX801V FX850V
  • · Genuine Kawasaki Part # 99999-0625
  • · Cylinder #2 is Farthest From the Flywheel on Oil Filter Side
  • · Cylinder Head Kit Comes Assembled with Valves, Valve Guides, Keepers, Oil Seals and Springs Already Installed
  • · Cylinder Head Kit Contains: Cylinder Head, Head Gasket, Valve Cover Gasket, Oil Seal, Intake Valve, Exhaust Valve, Spring Seats, Valve Springs, Valve Retainer Springs, Collets, Brackets, Bolts, Manifold Gaskets, Exhaust Gaskets & Studs
  • · Fits Kawasaki FX751V, FX801V & FX850V 852cc Model Engines
No. 4
52.4mm Cylinder Head Assembly for 4-Stroke 110cc Engine
  • Precision Compatibility:Fitment for 4-stroke 110cc engines, including TaoTao, SSR, Coolster, Kazuma Falcon, Redcat, and more.
  • Not fit for 125cc models using 23mm/28mm valves.
  • High-Performance Design:Features a 52.4mm bore, 23mm intake valve, 20mm exhaust valve, and 28-tooth timing sprocket. Optimized cooling channels ensure efficient heat dissipation for stable engine operation.
  • Durable Construction:Made of high-strength aluminum alloy with anti-corrosion and rustproof coating. Built to withstand harsh conditions and extend engine lifespan.
  • Complete Kit for Easy Installation:Includes cylinder head, gaskets, spark plug (A7TC). Pre-assembled components simplify DIY replacement with no special tools required.
No. 5
NICHE Cylinder Head for Yamaha 1YW-11101-01-00 1UY-11110-02-00
  • Compatible with OEM Part Numbers Yamaha 1UY-11110-02-00, 1YW-11101-01-00
  • Compatible with Models Yamaha 1987-1999 Big Bear 350, 1987-1995 Moto 4 YFM350ER
  • Compatible with Yamaha 1987-2003 Warrior 350 YFM350X, 1993-1999 Kodiak 400 YFM400FW 4x4, 1995-2005 Wolverine 350 YFM350FX 4x4
  • Made of Cast Aluminum for Increased Strength and Durability
  • Engineered and Tested to Exceed Original Equipment Standards and Performance
No. 6
Glixal GY6 100cc 50mm Complete Big Bore Cylinder Rebuild Kit with Performance Big Valve Cylinder Head Assy for...
  • Use Large Valve Heads to Get More Power for Your GY6 139QMB 139QMA 147QMD Scooter ATV Go Kart Engine!!
  • This Big Bore Rebuild Kit Comes with 18.5/20.5mm Large Valve Cylinder Head Assy (Stock is 16/18.5mm).
  • Compatible with 69mm Long Valve Style Heads. If your Original Head Has 64mm Valves, Please Must Change Your Rocker Arms with The Ones in Our Kit.
  • Glixal Piston Rings: DLC Wear Resistant Coating. This Coating will Also Reduce the Friction Coefficient to Protect the Cylinder Sleeve.
  • Please Note: The Engine Side Cover Gasket is for a Short Case Version (8 Bolt).
  • Attention: AT marking face to the piston, the 6mm small hole goes up or away from the Motor !!!
SaleNo. 7
Kawasaki OEM 99999-0624 Complete Cylinder Head Kit #1 for FX751V FX801X FX850V
  • · Genuine Kawasaki Part # 99999-0624
  • · Cylinder #1 is Closest to the Flywheel on Fuel Pump Side
  • · Cylinder Head Kit Comes Assembled with Valves, Valve Guides, Keepers, Oil Seals and Springs Already Installed
  • · Cylinder Head Kit Contains: Cylinder Head, Head Gasket, Valve Cover Gasket, Oil Seal, Intake Valve, Exhaust Valve, Spring Seats, Valve Springs, Valve Retainer Springs, Collets, Brackets, Bolts, Manifold Gaskets, Exhaust Gaskets & Studs
  • · Fits Kawasaki FX751V, FX801V & FX850V 852cc Model Engines
No. 8
Cylinder Head Kit for Honda GX160 GX200 Predator 212cc Non-Hemi
  • Fitment for Honda GX160 (5.5HP) and GX200 (6.5HP) engines. For Predator 212cc Non Hemi Engines.Fit for generators (EC2500, TG2500), water pumps, pressure washers, wood chippers, and other power equipment.
  • Complete Pre-Assembled Kit:Includes Cylinder Head, Mounting Hardware, Head Gaskets, Carburetor Gaskets, Spark Plug.
  • Enhanced Engine Performance:Precision-engineered to optimize valve clearance, ensuring peak engine efficiency, reduced fuel consumption, and extended lifespan.
  • Durable & Reliable Materials:Constructed with OEM-grade components, resistant to high temperatures and corrosion. Meets or exceeds original equipment standards for durability.
  • Please be carefully check the goods appearance, size, shape and then compare your original goods before ordering, thank you.
No. 9
Cylinder Works Cylinder Head Kit for Kawasaki KX 250 F 2006-2008
  • Specs: Cylinder Head Kit, Kit Includes: Cylinder Head, Cam Caps, and Cam Cap Bolts
  • Meets or Exceeds OEM Specs for Fit and Performance
  • Compatible With/Replacement For: Kawasaki KX 250 F 2006-2008
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we...
  • 100% New aftermarket Cylinder Head Kit built to meet OEM specifications
No. 10
TOP IMSLCHR TRX250 Cylinder Head Assembly Compatible with Honda Recon 250 TRX250 X TE 2x4 ES 2002-2014
  • Fitment:Compatible with Honda TRX250TE Recon 250 ES 2002-2014 TRX250TM Recon 250 2002-2014 TRX250EX Sportrax 250 2003-2008 TRX250X 2009-2014
  • Part Number:12200-HM8-305 12251-HN6-000 12191-HM8-000 12315-HN6-010
  • Top end rebuild kit:1 Cylinder Gasket 1 Cylinder Head Gasket 1 Cylinder Head Cover Gasket 1 Cylinder
  • Warranty:180 days 100% Brand New,never used or installe.
  • COMPATIBILITY: Compatible with Honda TRX250 models including Sportrax, TRX250X, TRX250TE 2x4 ES from 2002-2014,TRX250 cylinder head assembly

Last update on 2026-09-01 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Powersports Cylinder Heads

Understanding Cylinder Head Types

Cylinder heads are broadly categorized by material and design. Aluminum heads are lighter and dissipate heat better than cast iron, often leading to improved performance. Designs vary, with features like improved porting, larger valves, and optimized combustion chambers all contributing to different performance characteristics. Consider whether you need a direct replacement or a performance-oriented upgrade.

Key Performance Features to Consider

When evaluating cylinder heads, look for features that align with your performance goals. Enhanced port flow is crucial for maximizing airflow into and out of the combustion chamber, directly impacting horsepower. Valve size and seat material also play a role in overall engine breathing and durability. Compression ratio is another critical factor; higher compression generally means more power but requires higher octane fuel.

Compatibility and Installation

Ensuring compatibility with your specific powersports vehicle's make, model, and year is paramount. Cylinder heads are precision-engineered components, and incorrect fitment can lead to severe engine damage. Verify that the head matches your engine's bore and stroke, as well as any necessary mounting points and exhaust/intake configurations. Professional installation is often recommended for optimal results and to prevent potential issues.

Frequently Asked Questions

What is the primary function of a cylinder head?
The cylinder head seals the top of the engine cylinder, forming the combustion chamber. It houses critical components like valves, spark plugs, and sometimes camshafts, and is essential for controlling the flow of air, fuel, and exhaust gases.
How do cylinder heads affect engine performance?
Cylinder heads influence performance by affecting airflow, combustion efficiency, and compression ratio. Improved port design and larger valves can increase horsepower, while optimized combustion chambers can enhance fuel economy and power delivery.
Can I use a cylinder head from a different model?
Generally, it's not recommended unless the specifications are identical. Cylinder heads are designed for specific engine configurations, and using an incompatible head can lead to poor performance, leaks, or catastrophic engine failure.
What maintenance is required for aftermarket cylinder heads?
Aftermarket cylinder heads, especially performance-oriented ones, may require regular checks for proper sealing and valve adjustments. Following the manufacturer's recommendations for maintenance will ensure longevity and optimal performance.
How does material affect cylinder head performance?
Aluminum cylinder heads are lighter and dissipate heat more effectively than cast iron, which can lead to better performance and reduced risk of overheating. However, cast iron heads can sometimes offer superior durability in high-stress applications.