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Default Title · 169-343

SSP-G 52mm QMB139 Performance Head — source image 1

SSP-G 52mm QMB139 Performance Head

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SSP-G 52mm QMB139 Performance Head

$147.99

Part number 169-343

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SSP-G 50cc QMB139 4-stroke 52mm, performance cylinder head.

Please note: replaces Cylinder Heads with 64mm Valves (Short Valve Style).

Please see our Warranty & Returns Policy.

Intake Valve Diameter: 23mm

Intake Port Diameter: 20.7mm

Exhaust Valve Diameter: 19.9mm

Exhaust Port Diameter: 18mm

Valve Length: 62.3mm (compatible with 64mm Short Valve Style Heads)

Does Not Include Camshaft, Please See Related Items

QMB139 50cc/49cc

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