Universal Parts 57.4mm Stock Cylinder Head Gasket Kit for 150cc GY6 4-stroke engines. Includes base, head, exhaust, intake, and timing chain tensioner gaskets.
- Diagonal Bolt Hole Spacing: 76mm
- Base Gasket Inner Diameter: 62.5mm
- Head Gasket Inner Diameter: 59mm
- Timing Tensioner Gasket Inner Diameter: 22mm
- Exhaust Inner and Outer Diameter: 23.5mm/30mm
- Manifold Inner Diameter: 25mm