Best Glixal Performance Engine Cylinder Heads in 2026

Package Dimensions: 2.54 H x 27.94 L x 22.86 W (centimetres)

Country of Origin : United States

Fit type: Vehicle Specific

1.Inner Diameter of Cylinder: 47mm

2.Outer Diameter of Piston Pin: 13mm

3.High Quality Durable Piston Rings

Fit 66cc / 80cc Gas Motorized Bicycle

Package Include: 1x CNC Cylinder Head

diameter:118mm hight:47mm

Inner Diameter of Cylinder: 47mm,Outer Diameter of Piston Pin: 13mm

Include Cylinder,Piston,Piston Ring,Piston Pin,Piston Pin Clip,Valve Oil Seal,Gaskets,Tensioner Gasket,Exhaust Gasket,Intake&Exhaust Studs,Exhaust Nut

One week money back guarantee if not satisfied

Higher performance Racing head for 2 stroke 80cc/66cc

5.5 cc / Fully cnc machine made; Alum Design

The racing cylinder head increases the horse power of your 80cc / 66cc and this greatly cools off the engine. Would result better performance and longer life for your 2 Stroke Bicycle Engine.

Cylinder Inner Diameter:52.4mm/2.06";Intake Valve Diameter:23mm/0.9";intake valve mounting hole distance:45mm/1.77";Exhaust Valve Diameter:20mm/0.78";Exhaust valve mounting hole distance:45mm/1.77";Valve length: 66mm/2.59";Timing Drive Sprocket-28 teeth;Spark plug:A7TC(Please Be Carefully Check The Goods Appearance,Size,Shape Before Ordering).

Completed Cylinder Head Replacement for 4 Stroke Chinese TaoTao Coolster 110cc Engine ATV Pit Quad Go Kart Dirt Bike.Not Replacement for 125cc Cylinder Head with 23mm and 28mm Intake and Exhaust valves;52.4mm LIFAN 110CC 125cc Cylinder Engine;2002 Raptor 80cc;90cc baja atv;predator 212 engine.Not replacement for SSR 110.

Cylinders are used to hold gasoline and air,Where the mixture burns,Expands dramatically,And pushes the piston,Which transmits this force to the crankshaft.

★【REPLACEMENT FOR】7151 Carbide Buggy||Eton 150||Suzuki Raider 150cc||Z2150R Go Kart||Roketa 150 Buggy||GY6 150cc 157FM Engine||Kymco Agility Taotao Lance Vintage 150||Eaglecraft 150||Znen 150||Tank 150||Retro 150||BMS 150||Baja SC150||Jonway 150||Shenkes||Yerfdog GX150 Spiderbox 150cc||Cooler 3150DX2||Kandi Carbide Quantum Zirconia Helix Manco American Sportwerk 150||Tomerlin Crossfire 150 150R;

★【SIZE】Cylinder Inner Diameter:57.4mm/2.3";Mounting hole distance:54mm/2.1" & 63mm/2.5";(As the picture shows)

★【EASY TO INSTALL】High quality cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation structure design,providing reliable performance and long life service.

This big cylinder kit will upgrade your gy6 50cc 60cc 80cc to 100cc, without EGR, to get more RPM,more power, faster maximum speed.

69mm valve length version

With cylinder body kits, cylinder head kits, camshaft, camshaft seat kits, gaskets kits, oil pump and gear, spring sets, copper roller sets, 6pins racing AC CDI, ignition coil and racing 3-electrode spark plug

Cylinder diameter:57.4 mm/2.25";Piston diameter:57.4mm/2.25";Piston pin diameter:15mm/0.59";Piston pin length:42mm/1.65"(Please check the size carefully before you place the order).

Big Bore Cylinder Kit Replacement for TaoTao SUNL Buyang JCL Baja 150cc 4stroke GY6 157QMJ Engine Rebuild Kit Chinese Scooter.

The cylinder is the core of the engine.It burns the mist-like oil and air in it,pushes the piston inside to move up and down,converts chemical energy into mechanical energy,and generates power.

★【REPLACEMENT FOR】70cc Dirt Pit Bike ATV 4 Wheeler Quad Engine||ATC70 ATC 70 ATC-70 1973-1985||C70 C 70 C-70 C70M C70-M Passport 70 1971-1972 1980-1983||CL70 CL 70 CL-70 1969-1972||CRF70 CRF 70 CRF-70 CRF70F CRF70-F 2004-2008||CT70 CT 70 CT-70 CT70H CT70-H||Trail 70 1970-1994;

★【SIZE】Cylinder inner diameter:47mm/1.9";Mounting hole distance:45mm/1.8" & 50mm/2.0";Intake valve diameter:21mm/0.83",Exhaust valve diameter:18mm/0.71";(As the picture shows);

★【EASY TO INSTALL】High quality cylinder replacement part.High toughness,corrosion resistance,rustproof and durable.Has a good heat dissipation structure design,providing reliable performance and long life service;

Fit for most Chinese made 70cc Engines Honda CRF70 XR70 CT70 S65 C70.

High Quality brand new parts.Easy installation with High Performance.

#: 12101-GB0-910, 12101-087-000, 12101-087-010,12101-HB2-000,12101-098-670, 12101-098-671

Fit GY6 150cc to 180cc 152QMI 157QMJ Engine

Head Valve length 69mm，Not 64mm

Cylinder Bore Diameter ： 61mm

REASONABLE DESIGN - High grade aluminum, bronze valve guides, hardened seats and advance port design for greater air flow. The head is lighter than iron heads, better to control air flow in and out of the cylinders and fuel deployment.

HIGH PERFORMANCE - The 200cc intake runner with a 68cc combustion chamber improves performance and retains stock compression on 1970 and earlier. The addition of performance-oriented aftermarket heads can greatly improve the engine's output.

DURABILITY & USEFUL - The premium aluminum material can bear high pressure and high temperature. It is not easy to be deformed or cracked. In general, it will dissipate heat faster and will be easier to repair.

Fits the GY6 125cc 150cc to 155cc Engine with a 60mm Tall Head,76mm Bolt Pattern & 4 Bolt Valve Cover

Intake Valve: Outside Diameter 28mm / Length 66mm

Exhaust Valve: Outside Diameter 23mm / Length 65.5mm

BOOSTS PERFORMANCE: The BBR Tuning Billet Aluminum High Performance Cylinder head cap will boost your power from 20-30% from stock. It's hemispherical dome raises your engines compression and ensure evenly distributed combustion resulting in a large explosion and better utilization of fuel.

INCREASED COOLING: This cylinder head features extra large heat sinks constructed of aircraft grade aluminum which dissipates heat more evenly and cools your cylinder up to 50% better than stock. Not only do you get better performance and cooling from this cylinder, it also makes your bike look great with its shiny billet aluminum and stylish machining.

EASY INSTALLATION: Installation is a breeze: simple remove your stock head cap, replace your head gasket, install your new head, torque down your head cap, and you're ready to ride

Cylinder Inner Diameter:62.5mm/2.46";Head Stud Spacing:57mm/2.24";Exhaust valve:30mm/1.18";28mm/1.1";Bolt installation spacing:42mm/1.65";Piston diameter:62.5mm/2.46";Piston pin diameter:15mm/0.59"(Please Be Carefully Check The Goods Appearance,Size,Shape Before Ordering).

Cylinder Head Valves Replacement for 4 Stroke GY6 B 170cc 180cc 200cc 1P63QML Engine Chinese ATV Quad 4 Wheeler Go Kart Scooter.Replacement for B case engine.

Easy to Install.The Cylinder Rebuild Kits Is An Ideal Replacement for Your Old Or Broken Ones.

Chrome finish

For dual port cylinder heads

Channels cooling air over piston cylinders and cylinder heads

Ford 6.0 Powerstroke​ Complete Cylinder Head Pair

Improved / Redesigned Head

Brand new valves, springs, retainer, and locks

Intake and exhaust runners are CNC-machine profiled for superior flow and performance

72cc combustion chambers for stock replacement valve with 170cc intake port

Complete single head has 2. 09 intake and 1. 66 exhaust valve

Compatible with Honda Sportrax 400 TRX400EX 1999-2008

Compatible with Honda TRX400X 2009-2014

Compatible with Honda XR400R 1996-2004

【Application】Engine Cylinder Head Valve Cover especially designed for GY6 4 Stroke 125cc 150cc. It can be used in motorcycle, ATV and scooter etc. Direct replace for the original one.

【High quality material】Made of high quality Aluminum alloy and durable in use. In order to ensure a good sealing of the cylinder, the cylinder head can neither be damaged nor deformed. To this end, we design cylinder heads with sufficient strength and rigidity.

【Precise design】High performance and reliable stability. It is to close the cylinder to form a closed space, so that the piston can normally compress the fuel and the mixture to generate power.

Inner Diameter of Cylinder: 47mm

Outer Diameter of Piston Pin: 13mm

This a Non EGR Cylinder Head, Does Not Have the EGR Port

Package including one piece racing head

Gasket is included

Use for CDH110CC 84CC/85CC

For 80cc 66cc 69cc 2- Stroke Engine Motorized Bike.

Package Include:1 PC Black Cylinder Head Cover With Gasket.

If you want more power from your engine, the high performance head cover is the way to go.

Product Type:Auto Part

Item Package Height:0.5 Inches

Item Package Length:3.3 Inches

Cylinder Measurement:Bore: 52.4mm,Bolt hole spacing: 48mm x 52mm, Cylinder Head :Intake valve: 23 mm/0.91 inch,exhaust valve:20 mm/0.79 inch, Timing Drive Sprocket-28 teeth.Piston diameter: 52.4 mm/2.1 inch,piston height: 37 mm/1.5 inch

Compatible For: YX125 engine YL-Group-106 CT70 Mini Trails Taotao 110 SSR 110 Kazuma Falcon 110 Panda 100 Coyote 110 Redcat 110 Roketa 110 BMS 110 Sunl 110 Coolster 110 4 Stroke 110cc ATV 4 Wheeler Go Kart Scooter Dirt Pit Bike

for most chinese 90cc 110cc and 125cc engines,ATV,dirt bike,pit bike,go kart,pocket bike use pistons of this size

Interchange Part Number: 1G962-03045, 1G962-03046, 1G962-03042, H1G90-03040

Engine Number: for Kubota RTV 900 Engine

Note: OEM brand new D902 Cylinder Head With Valves for Kubota RTV 900 Engine replacement parts, the valves is not installed, but please don't be worry, it's easy to install!

Cylinder Head, Assembled

2.020 / 1.600 in Valves

180 cc Intake

High grade aluminum, bronze valve guides, hardened seats, advance port design for greater air flow

Perfect fits for SBC engines such as 302, 327, 350, 383 and 400 small block chevy engines up to 1986

This head is 200cc intake runner with a 64cc combustion chamber, 64cc combustion chambers improve performance and retains stock compression on 1970 and earlier

Product type :AUTO PART

Package dimensions :3.45 " L x3.95 " W x0.7 " H

country of origin :United States