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Big Bore Kits & Cylinder Kits

Big Bore Kits & Cylinder Kits

50cc Cylinder Kit

1310A-9010

Fits: 50cc 4-stroke QMB139 Engines

In stock

$109.97
Big Bore Kit (70cc )

2970

Fits: 50cc 2-Stroke Minarelli 1PE40QMB Jog Engines

In stock

$181.47
GY6 180 CC BIG BORE CYLINDER HEAD WITH VALVES

2009

BIG BORE CYLINDER HEAD WITH VALVES - GY6

In stock

$137.47
150CC LONG CASE GASKET KIT

2013

150CC LONG CASE GASKET KIT

In stock

$24.72
63MM (180 CC) BIG BORE CYLINDER KIT - GY6

2008

63MM BIG BORE CYLINDER KIT - GY6

In stock

$123.61
50mm Performance Big Bore Kit with 69mm Valves

50MM BIG BORE KIT

Fits: 50cc 4-stroke QMB139 Engines

Out of stock

$129.99
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Big Bore kit (80cc)

2980

Fits: 50cc 4-stroke QMB139 Engines

Out of stock

$151.25
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