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Cylinder Head


Cylinder Head & Cam Unit Attribute:
1.    Camshaft Holder
2.    Cylinder Head
Cylinder Head 58.5mm (2 valves)
Cylinder Head 61mm  (2 valves, Big Valve)
Cylinder Head 61mm (2 valves)
3.    Cylinder Head Gasket
4.    Dowel Pins 10x14
5.    Intake Manifold
6.    Intake Manifold Assembly
Intake Manifold EGR 30mm (coated)
Intake Manifold Non-EGR 28mm (coated)
Intake Manifold Non-EGR 28mm (polished)

7.    Intake Manifold Clamp
8.    Intake Manifold Gasket
9.    Intake Manifold Spacer
10.    M6 Nuts
11.    M6x100 Bolts
12.    M6x32 Studs
13.    M6x50 Studs
14.    M8 Nuts
15.    M8 Washers
16.    O-ring 10x1.8
17.    O-ring 27x2
18.    Spark Plug¬
19.    Valve Guides


Scooter cylinder head unit.

Brand: Charmo Model: 169-324
Description: 2V Performance Charmo head with larger 27.75/23 valves and improved oversize intake/exhaust port. This cylinder head fits Charmo Cylinder 58.5mm-63mm 2V Kit for GY6 174.5-180cc engines (scooters, quads, and buggies). To increase performance, we suggest a performance camshaft.Specificati..
$109.95
Brand: G Model: 151-242-39
Description: Cast-Iron Cylinder 39mm 50cc with Cast Aluminum Piston. The cylinder bore is 39mm. Cylinder 39mm 50cc 2V Cast Big Bore Kit includes the following parts 39mm (50cc) cylinder jug with cast piston and 2V 64mm height cylinder head. Cylinder 39mm 50cc 2V Cast Big Bore Kit is suitable fo..
$79.95
Brand: G Model: 151-242-47
Description: Cast-Iron Cylinder 47mm 72cc with Cast Aluminum Piston. The cylinder bore is 47mm. Cylinder 47mm 72cc 2V Cast Big Bore Kit includes the following parts 47mm (72cc) cylinder jug with cast piston and 2V 64mm height cylinder head. Cylinder 47mm 72cc 2V Cast Big Bore Kit is suitable fo..
$79.95
Brand: G Model: 1100-1515
Description: Cast-Iron Cylinder 47mm 72cc with Cast Aluminum Piston. The cylinder bore is 47mm. Cylinder 47mm 72cc 2V Cast Big Bore Kit includes the following parts 47mm (72cc) cylinder jug with cast piston and 2V 69mm height cylinder head. Cylinder 47mm 72cc 2V Cast Big Bore Kit is suitable fo..
$79.95
Brand: G Model: 151-242-50
Description: Cast-Iron Cylinder 50mm 72cc with Cast Aluminum Piston. The cylinder bore is 50mm. Cylinder 50mm 81cc 2V Cast Big Bore Kit includes the following parts 50mm (81cc) cylinder jug with cast piston and 2V 64mm height cylinder head. Cylinder 50mm 81cc 2V Cast Big Bore Kit is suitable fo..
$79.95
G- Cylinder Head 61mm 171cc 2V 27.5/23.5 Fit 54mm (GY6) G- Cylinder Head 61mm 171cc 2V 27.5/23.5 Fit 54mm (GY6)
Non-Stock
Brand: G Model: 1100-1445
Description: G- 61mm Cylinder Head Wear-Resisting 2 valves with a larger 27.5 intake / 23.5 exhaust ports will allow your GY6 cylinder to breathe better! Works great with NCY Cylinder 61mm 171cc Big Bore Kit w/Cast Piston. A 10mm diameter head allows for extra clearance between your wrench and ..
$133.00
Brand: Naraku Model: NK100.52
Description: High-Quality Naraku Cast-Iron Cylinder 52.4mm 94.9cc with Cast Aluminum Piston offers better durability and reduced friction for 139QMB 49/50cc+ engines. The cylinder bore is 52.4mm. Naraku Cylinders' Combo 52.4mm 94.9cc 2V w/Cast Piston including the following parts Naraku 52.4mm ..
$239.95
Brand: Naraku Model: NK100.13
Description: Naraku Cylinder Head 39mm 50cc 2V 18.69/16.19 for 139QMB 49/50cc 4-stroke engines. Common problems with stock cylinder heads on the Chinese 4-stroke engines are generally known to be expensive repair maintenance costs. Chinese replacement cylinder heads for GY6 engines are only of ..
$139.95
Naraku Cylinder Head 4V 22.3/20.3 (BWS, Zuma 125)
4 - 10 Days
Brand: Naraku Model: NK600.48
Description: Naraku Cylinder Head 4V 22.3/20.3 racing cylinder head for use on big bore cylinders for Yamaha Cygnus 5ML engines like Yamaha BWS 125 and Yamaha Zuma 125. The cylinder head features stiffer valves and springs. The inlet valves have a diameter of 22.3mm and the exhaust valves 20.3m..
$389.95
Brand: Naraku Model: NK100.52-H
Description: Naraku Cylinder Head 52.4mm 94.9cc 2V 23/20 for 139QMB 49/50cc 4-stroke engines. Common problems with stock cylinder heads on the Chinese 4-stroke engines are generally known to be expensive repair maintenance costs. Chinese replacement cylinder heads for GY6 engines are only of me..
$136.92
Brand: Naraku Model: 137-10
Description: Naraku Cylinder Head Wear-Resisting 2 valves with a larger 27.5 intake / 23 exhaust ports will allow your GY6 cylinder to breathe better! Works great with Naraku Cylinder 63mm 180cc Big Bore Kit w/Forged Piston. When changing a cylinder kit or an exhaust, it's a clever idea to pick..
$133.00
Brand: NCY Model: 1100-1239
Description: NCY Cylinder Head 50mm 81cc 2V for 139QMB 49/50cc 4-stroke engines. Great quality alloy cylinder head designed to work seamlessly with NCY Cylinder 52mm 88cc (Part# 1100-1248) big bore kit. Give your 139QMB the power to handle today's city traffic.NOTE: Most stock 139QMB ..
$129.95
NCY Cylinder Head 52mm 88cc 2V 21.5/19 (139QMB) NCY Cylinder Head 52mm 88cc 2V 21.5/19 (139QMB)
Non-Stock
Brand: NCY Model: 1100-1435
Description: NCY 52mm 88cc Aluminum Performance Cylinder Head with 2-Valves' 21.5mm intake / 19mm exhaust. Great quality alloy cylinder head designed to work seamlessly with 1100-1248 88cc cylinder kit. Give your 139QMB the power to actually get some respect.NOTE: Most stock 139QMB cylinder hea..
$139.00
Brand: NCY Model: 1100-1283
Description: NCY Cylinder Head 58.5mm Wear-Resisting 2 valves with larger intake/exhaust ports will allow your GY6 125/150cc+ 2-Valve Cylinder to breathe better! Also, works for Buddy 125cc when used in conjunction with NCY Cylinder 58.5mm 161cc Big Bore Kit (Part# 1100-1287).NCY Cylinder Head 10mm ..
$117.95
Brand: NCY Model: 1100-1254
Description: NCY 61mm Cylinder Head Wear-Resisting 2 valves with a larger 27.5 intake / 23.5 exhaust ports will allow your GY6 cylinder to breathe better! Works great with NCY Cylinder 61mm 171cc Big Bore Kit w/Cast Piston. A 10mm diameter head allows for extra clearance between your wrench and the ..
$133.00
Brand: NCY Model: 1100-1379
Description: NCY Piston Rings made by Prima for your Genuine Buddy 50cc,  Genuine RoughHouse 50cc, and Minarelli scooter. Will fit NCY Prima Cylinder Kit: 47mm, 10mm Pin, 72cc.Specifications:•    Piston Rings Set 47mm •    Fits Buddy 50•    Fits Mina..
$28.00
Brand: SSP-G Model: 169-343
Description: SSP-G Cylinder Head 52mm 94.9cc 2V 21.5/18.9 for 139QMB 49/50cc 4-stroke engines. Common problems with stock cylinder heads on the Chinese 4-stroke engines are generally known to be expensive repair maintenance costs. Chinese replacement cylinder heads for GY6 engines are only of m..
$139.95
SSP-G Cylinder Head 61mm 171cc 2V 27.75/23 Fit 54mm (GY6)
4 - 10 Days
Brand: SSP-G Model: 169-204
Description: SSP-G Cylinder Head Wear-Resisting 2 valves with a larger 27.75 intake / 23 exhaust ports will allow your GY6 cylinder to breathe better! Works great with Naraku Cylinder 63mm 180cc Big Bore Kit w/Forged Piston. When changing a cylinder kit or an exhaust, t's a clever idea to pick ..
$133.00
SSP-G Cylinder Head 63mm 180cc 2V 27.75/22.8 Fit 57mm (GY6) SSP-G Cylinder Head 63mm 180cc 2V 27.75/22.8 Fit 57mm (GY6)
4 - 10 Days
Brand: SSP-G Model: 169-205
Description: SSP-G Cylinder Head 63mm 180cc 2V 27.75mm Intake and 22.8mm Exhaust for upgrade GY6 125/150cc 4-stroke. Require GY6 57mm Stud Spacing Engine Block. This cylinder head fits Cylinder [63mm-67mm] 2V Kit for GY6 180-205cc engines (scooters, quads, and buggies). Also, a replacement OEM cylin..
$119.00
Brand: SSP-G Model: 169-411
Description: SSP-G Cast Aluminum Rocker Arm Holder aka camshaft holder for 57mm stud spacing GY6 125/150cc+ 4 stroke engine.Specifications:Include the following Rocker arm holder.•    1x Cast-Alumin Rocker Arm Holder: 57mm•    Made in Taiwan•    Fit ..
$17.99
Taida Big Bore Combo 62mm 174.5cc LC 2V w/Forged Piston Fit 54mm (GY6) Taida Big Bore Combo 62mm 174.5cc LC 2V w/Forged Piston Fit 54mm (GY6)
30 - 45 Days
Brand: Taida Model: GY6-090-2V54-175-LC
Description: Liquid Cooled Taida Cast-Iron Cylinder 62mm 174.5cc with Forged Aluminum Piston offers better durability and reduced friction for 54mm stud GY6 125/150cc + engines. The cylinder bore is 62mm. Taida Big Bore Combo 62mm 174.5cc 2V w/Forged Piston Fit 54mm including the following parts Tai..
$738.52
Taida Big Bore Combo 63mm 180cc C 2V w/Forged Piston Fit 54mm (GY6) Taida Big Bore Combo 63mm 180cc C 2V w/Forged Piston Fit 54mm (GY6)
30 - 45 Days
Brand: Taida Model: GY6-090-2V54-180
Description: High-Quality Taida Ceramic Cylinder 63mm 180cc with Forged Aluminum Piston offers better durability and reduced friction for GY6 125/150cc + engines. The forged piston will offer better power and the ceramic cylinder with more heat dissipation will help to avoid overheating. The ceramic..
$752.61
Taida Big Bore Combo 63mm 180cc C 4V w/Forged Piston Fit 54mm (GY6) Taida Big Bore Combo 63mm 180cc C 4V w/Forged Piston Fit 54mm (GY6)
30 - 45 Days
Brand: Taida Model: GY6-090-4V54-180
Description: High-Quality Taida Ceramic Cylinder 63mm 180cc with Forged Aluminum Piston offers better durability and reduced friction for GY6 125/150cc + engines. The forged piston will offer better power and the ceramic cylinder with more heat dissipation will help to avoid overheating. The ceramic..
$816.00
Taida Big Bore Combo 63mm 205cc C 2V w/HC Forge Piston Fit 54mm (GY6) Taida Big Bore Combo 63mm 205cc C 2V w/HC Forge Piston Fit 54mm (GY6)
30 - 45 Days
Brand: Taida Model: GY6-090-2V54-205
Description: High-Quality Taida Ceramic Cylinder 63mm 205cc with High-Compression Forged Piston offers better durability, power, and reduced friction for GY6 125/150cc + engines. The high compression forged piston will offer better power and the ceramic cylinder with more heat dissipation will help ..
$978.51
Taida Big Bore Combo 63mm 205cc LC 2V w/Cast Piston Fit 54mm (GY6) Taida Big Bore Combo 63mm 205cc LC 2V w/Cast Piston Fit 54mm (GY6)
30 - 45 Days
Brand: Taida Model: GY6-090-2V54-205-LC
Description: High-Quality Liquid Cooled Taida Cast-Iron Cylinder 63mm 205cc with Cast Aluminum Piston for GY6 125/150cc + engines. The cylinder bore is 63mm. Taida Big Bore Combo 63mm 205cc Liquid-Cool 2V w/Cast Piston Fit 54mm including the following parts Taida 63mm (205cc) cylinder kit Liquid Coo..
$887.00
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