883cc Forged Conversion Piston Kit Standard - Wiseco K1655 - Evolution Sportster 1986-2003

Wiseco #: K1655

Wiseco standard piston kit includes Hastings X rings 2 wrist pins and 4 circlips.

Piston set is standard size with a 9.5:1 compression. For a 3.498 inch bore. Pistons are forged from a high silicone alloy. 2009-UP XL 883 cylinders cannot be overboard to 1200cc. 2009-UP applications will require separate purchase of 1200cc cylinders to be used with piston kit. **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.

Measurements:

• Piston: 3.4965

Notes:

• 2009-Up models must use 1200CC XL cylinders.

Fitment:

Installation instructions (PDF)