Description
Cylinder sleeve made from chrome-moly alloy. Outside diameter precision centerless ground. Ports cut to precision dimensions and shapes for ease of installation and port match-up. Note: Product images may only represent the class of product and not the specific model.
Why choose LA Sleeve, LA Sleeve Cylinder Sleeve for Polaris 900 (889cc 74.50mm)? This sleeve is engineered for riders and builders who want reliable performance without sacrificing serviceability. Its construction makes it ideal for performance recreation, closed-course racing, or dependable weekend riding.
- High quality chrome moly / cast-iron alloy construction for excellent wear resistance and heat stability.
- Precision centerless ground outside diameter to simplify machine work and ensure proper interference fit.
- Accurately machined port windows to maintain correct timing and easy port match up during assembly.
- Boreable sleeve so future rebuilds are simple, cost effective, and do not require re-plating.
- Manufactured in the USA by LA Sleeve, a family owned company with decades of cylinder sleeve experience.
- Ideal replacement when a cylinder is scored, seized, or when upgrading an older cast in liner design.
Fitment and notes: Always verify clearances and piston size before final assembly. Professional installation and proper boring and honing are recommended for best ring seal and durability on part number FL-5305.
LA Sleeve cylinder sleeves are trusted by engine builders around the world for consistent wall thickness, clean machining, and predictable installation results in powersports and marine applications.
