Dome

This is a removable dome for the CY 27cc and 29cc head kit motors.

11:1 Dome- 87 octane or higher

12:1 Dome- 89 octane or higher

13:1 Dome - 92 octane or higher
14:1 Dome - 95 octane or higher
15:1 Dome - 105 octane or higher
16:1 Dome - 112 octane or higher
17:1 Dome - 116 octane or higher
18:1 Dome - 120 octane / alcohol
19:1 Dome - Alcohol