Description

Upgrade your Polaris 400 engine with the SP1 09-707-01 piston kit, designed to deliver reliable performance and OEM-quality fitment. This comprehensive kit includes one piston, a ring set, a wrist pin, and two circlips, ensuring you have all necessary components for a complete rebuild or replacement. All parts are manufactured to meet OEM specifications, guaranteeing compatibility and durability. The piston is engineered to optimize heat transfer from the combustion chamber to the cylinder walls, which enhances engine efficiency and helps maintain optimal operating temperatures. With materials and manufacturing processes aligned with original parts, this piston kit ensures seamless integration with your existing engine components and preserves the performance characteristics of your Polaris 400. The piston weight matches that of the original, maintaining engine balance and smooth operation. The T-Moly Series offers additional performance benefits, such as improved wear resistance and reduced friction, contributing to longer engine life and better overall performance. Whether you’re restoring your ATV or replacing worn components, this piston kit provides a dependable solution with quality craftsmanship and precise engineering tailored for your Polaris 400 models from 1990 and 1991.

Features:

• Includes: 1 piston, 1 ring set, 1 wrist pin and 2 circlips

• Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls

• All pistons, rings, pins and circlips are manufactured to OEM specifications

• All individual components are interchangeable with original parts

• Piston weight compatible with original piston

• T-Moly Series offers a number of performance benefits

Fitment:
Polaris 4001990
Polaris 4001991
Polaris 400 XC1991