The piston is the weak link in the stock STI block. These are great for someone either reassembling their block or someone looking to put in some strong pistons in their "built" block.
Throw these forged high strength aluminum pistons in and turn up the boost and get more power from your STI! These CP pistons have been put through rigorous testing. In short, they are build to withstand nearly whatever you can throw at em'!
| Bore Size: | 100mm |
| Compression Ratio: | 9.0:1 |
| Anti-Friction Coating: | No |
| Head Alteration Required: | No |
| Machining Required: | Yes |
| Piston Material: | Forged |
| Piston Rings Included: | Yes |
| Size: | .5mm larger |
| Wrist Pins Clips: | No |
| Wrist Pins Included: | Yes |
| Quantity: | 4 |
CP Limited Warranty
