Hoca High Angle A9 Performance Camshaft for 150cc and 125cc GY6 4-stroke engines. Camshafts are marked with letter combinations which can be cross-referenced below:

• A8 = HA
• A9 = HB
• A10 = HC
• A11 = HD
• A12 = HE
• A13 = HF
• A14 = HG

• Intake Lobe Diameter at its Greatest: 26.90mm
• Exhaust Lobe Diameter at its Greatest: 25.78mm
• 34 Teeth
• Bearing 16002C3
• Marked HB, More Commonly Known As A9
• Various unlisted makes/models