BIG BORE

BUGGY PERFORMANCE
150cc 
  • TrailMaster
  • Kandi
  • BMS
  • Roketa
  • Joyner
  • SunL
  • Dazon
  • Hammerhead
  • Twister
  • Blade
  • Carter
  • Baja
  • Tomberlin
GY6 150 Buggy Engine
BIG BORE KITS
  • 57.4mm  149ccStock
  • 58.5mm  155cc  
  • 61mm   170cc  
  • 63mm  180cc  

check your engine, the stamp on your cylinder block may include these numbers: 

         QMI152, QMI157, QMJ152, QMJ157 

NOTE: the 52 and 57 correspond to the bore size. 52mm for 125cc and 57mm for 150cc
Displaying products 1 - 16 of 25 results
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GY6 150 Performance Camshaft (A9), for Buggy or Gokart
Item No: PFS169-268
GET BLACK FRIDAY PRICE NOW -USE CODE BLACK: $54.99
Hoca High Angle A9 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines.
View GY6 150 Performance Camshaft (A9), for Buggy or Gokart
GY6 150 High Speed Camshaft (A8), for Buggy or Gokart
Item No: PFS169-267
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Hoca High Angle A8 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines.
View GY6 150 High Speed Camshaft (A8), for Buggy or Gokart
GY6 150 Performance Camshaft (A11), for Buggy or Gokart
Item No: PFS169-270
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(Torque) Hoca High Angle A11 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines.
View GY6 150 Performance Camshaft (A11), for Buggy or Gokart
GY6 150 Performance Camshaft (A10), for Buggy or Gokart
Item No: PFS169-269
List Price: $59.95
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Hoca High Angle A10 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines.
View GY6 150 Performance Camshaft (A10), for Buggy or Gokart
GY6 150 Performance Camshaft (A13), for Buggy or Gokart
Item No: PFS169-461
GET BLACK FRIDAY PRICE NOW -USE CODE BLACK: $54.99
(High Torque) Hoca High Angle A13 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines.
View GY6 150 Performance Camshaft (A13), for Buggy or Gokart
GY6 150 High Torque Camshaft (A14), for Buggy or Gokart
Item No: PFS169-462
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(Highest Torque) Hoca High Angle A14 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines.
View GY6 150 High Torque Camshaft (A14), for Buggy or Gokart
GY6 170cc Big Bore Cylinder Kit
Item No:
List Price: $219.00
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Naraku 58.5mm Big Bore Cylinder Kit bumps GY6 150 to 170cc. The stock 150cc cylinder is 57.4mm. Easy to install! Just bolt on with no crankcase modifications needed.
View GY6 170cc Big Bore Cylinder Kit
SSP-G Cylinder Set for 180cc Power Kit, Performance Parts PS169-172
Item No: PS169-172
GET BLACK FRIDAY PRICE NOW -USE CODE BLACK: $168.19
SSP-G Cylinder Set for 180cc Power Kit
View SSP-G Cylinder Set for 180cc Power Kit, Performance Parts PS169-172
SSP-G GY6 180cc Power Kit Replacement Cases, Performance Parts PS169-514
Item No: PS169-514
GET BLACK FRIDAY PRICE NOW -USE CODE BLACK: $347.27
SSP-G GY6 180cc Power Kit Replacement Cases
View SSP-G GY6 180cc Power Kit Replacement Cases, Performance Parts PS169-514
150cc GY6 Replacement Engine, Short-Case
Item No: PS220-46
List Price: $499.95
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SHORT CASE 150 GY6 Replacement Engine, with automatic CVT transmission included
View 150cc GY6 Replacement Engine, Short-Case
150cc GY6 Replacement Engine, Long-Case
Item No: PS220-42
List Price: $849.00
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LONG CASE 150 GY6 Replacement Engine, with automatic CVT transmission included. for Kymco, Avanti, Kazuma, Diamo, SunL, CFMoto and many more
View 150cc GY6 Replacement Engine, Long-Case
SSP-G GY6 180cc Power Kit, Performance Parts PS169-99
Item No: PS169-99
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SSP-G GY6 180cc Power Kit
View SSP-G GY6 180cc Power Kit, Performance Parts PS169-99
SSP-G GY6 180cc Power Kit With Oil Cooler, Performance Parts PS169-482
Item No: PS169-482
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SSP-G GY6 180cc Power Kit With Oil Cooler
View SSP-G GY6 180cc Power Kit With Oil Cooler, Performance Parts PS169-482
Koso 170cc Big Bore Kit with 4V Cylinder Head - Honda Grom, Performance Parts PS128-18
Item No: PS128-18
GET BLACK FRIDAY PRICE NOW -USE CODE BLACK: $943.00
Koso 170cc Big Bore Kit with 4V Cylinder Head - Honda Grom
View Koso 170cc Big Bore Kit with 4V Cylinder Head - Honda Grom, Performance Parts PS128-18
180cc (63mm) Big Bore Cylinder Kit, for GY6150 engine
Item No:
GET BLACK FRIDAY PRICE NOW -USE CODE BLACK: $258.45
63mm 180.5cc Big Bore Cylinder Kit for the GY6 125/150 engine. Upgrade your engine to 180cc. Includes: Cylinder, Piston, Rings, Wrist pin, Clips, Gaskets
View 180cc (63mm) Big Bore Cylinder Kit, for GY6150 engine
Gasket Set, GY6 170cc (61MM)
Item No:
List Price: $12.95
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Gasket Set for GY6 170cc (61MM) Big Bore Kit. Cylinder Head and Cylinder Base Gasket Set for the 61mm Big Bore Cylinder Kit. the stock GY6150 cylinder bore size is 57.4mm
View Gasket Set, GY6 170cc (61MM)
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