SSP-G

SSP-G GY6 67mm 4V Cylinder Kit

SKU 169-573
$390.00
Shipping calculated at checkout.
Description

Push your GY6-B / Gy7 / 161QMK  build to 232cc with the SSP-G 67mm 4V Cylinder Kit. This ceramic-coated cylinder with a forged piston is designed for the 4-valve Cygnus-style cylinder head and fits B-case GY6 4-stroke engines also called GY7 and marked with 161QMK engine codes. Pair it with a 66mm (+8.2mm) stroker crank to achieve a 232 cc displacement. Everything needed for the cylinder swap is included.

What's Included

  • 67mm ceramic-coated cylinder
  • Forged piston
  • Rings, wrist pin & circlips
  • Head gasket & base gasket

Key Features

  • Ceramic-coated cylinder — improved heat dissipation and reduced friction
  • Forged piston — stronger and lighter than cast for high-performance applications
  • 4V Cygnus-style head compatible — designed for 4-valve cylinder head setups
  • 232cc capable — pair with a 66mm (+8.2mm) stroker crank for maximum displacement
  • B-case (57mm stud spacing) GY6 fitment

Specifications

  • Cylinder Bore: 67mm
  • Cylinder Height: 76mm
  • Overall Height: 103.5mm
  • Stud Spacing: 57mm (B-case)
  • Wrist Pin Diameter: 15mm
  • Compatible Engine: GY6 QMI/QMJ 152/157 (B-case long case)
  • Max Displacement: 232cc (with 66mm stroker crank)

This product is intended for off-road use only and is not intended for use on public roads.

California Prop 65 Warning: www.p65warnings.ca.gov

Product Diagrams
Features
  • Ceramic-coated cylinder for improved heat dissipation and reduced friction
  • Forged piston — stronger and lighter than cast
  • 4V Cygnus-style cylinder head compatible
  • 232cc capable when paired with 66mm (+8.2mm) stroker crank
  • B-case 57mm stud spacing — fits GY6 long-case engines
Specifications

Bore: 67mm | Cylinder Height: 76mm | Overall Height: 103.5mm | Stud Spacing: 57mm (B-case) | Wrist Pin: 15mm | Engine: GY6 QMI/QMJ 152/157 | Max Displacement: 232cc (with 66mm stroker) | Origin: Taiwan

Model Fitments

GY6 125cc and 150cc 4-stroke B-case (long case) engines: QMI152, QMJ157. Requires 4-valve Cygnus-style cylinder head. Pair with 66mm (+8.2mm) stroker crank for 232cc. Off-road use only.

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  • 30-day return period on eligible items
  • Flat-rate shipping for orders shipped to the 48 Contiguous United States.
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