Closed with zipper and button

Although the Ti-6 will not pass FIM sound requirements seen in professional racing here in the states or in Europe

45 Material: Aluminium Oversize: STD Piston_compression: Standard Piston_type: Coulé

Reducing Tailbone and Back Pressure for Maximum Long-Range Comfort

Hypoallergenic material reduces the risk of skin irritation

WISECO PISTN KT TRKR SPRTSTR.010 WK0212P1 Silhouette Full-Length Seat Closed with zipper and buttonForged Piston Crown with Genrous Valve Pockets for Big Valves and Cams, Precision Fit Rings Selected for Each Application for Ultimate Sealing, Force Fed Pin Oiling Provides Enhanced Lubrication of the Piston Pin, Power Power Lights, Ring Linduces Rima, Coating Reduces Friction, Providing Quiester Operation and Improving Scuff Resistance, Valued Packaged with Two Pistons, Rings, Piston Pins and Circips, Piston Is Made in the USA