Seller notes

OE Style Piston Kit .040 Namura Pistons Fits 1990 Polaris Trail Boss 350L 4x4 High-quality piston kit from Namura Skirt coatings minimize resistance and wear Anodized domes for superior heat resistance Super-high silicone content for added strength Premium rings included, fits OE pistons Compatible with 1990 Polaris Trail Boss 350L 4x4 engine models Upgrade your engine with this high-quality piston kit from Namura. The piston features skirt coatings for minimized resistance and wear, anodized do...

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