Description
Machined smooth heads
MOS 2 Coating:
Draws heat through piston walls and out the bottom
Reduces heat and friction, for added power and longevity
Helps eliminate cold seizures, and increases durability
Hard anodized crowns
Hypereutectic Cast
| Year | Make | Model |
|---|---|---|
| 1988-1989 | Polaris | 400 |
| 1988 | Polaris | 400 SKS |
| 1988-1992 | Polaris | 650 |
| 1988-1990 | Polaris | 650 SKS |
| 1989 | Polaris | 500 |
| 1989 | Polaris | 500 SKS |
| 1990-1997 | Polaris | 650 RXL |
| 1991-1993 | Polaris | 650 RXL SKS |
| 1994 | Polaris | 650 RXL Touring |
| 1995 | Polaris | 650 RXL LT |
