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50-21 Duty Standard Inner Tube Valve Stem Type TR-4 (Round Base) Riding Style Street Rim Diameter 21"
50 mm Displacement 325 cc Model Forged Series Piston Diameter 78
and seamless integration with the SHOEI Comlink system
2023-2025 Harley-Davidson CVO Road Glide FLTRXSE 2023 Harley-Davidson CVO Road Glide Limited FLTRKSE 2023-2025 Harley-Davidson CVO Street Glide FLHXSE 2024-2025 Harley-Davidson CVO Road Glide ST FLTRXSTSE 2024-2025 Harley-Davidson Electra Glide Police FLHTPI 2024 Harley-Davidson Electra Glide Ultra Limited FLHTK 2024-2026 Harley-Davidson Road Glide FLTRX/FLTRXS 2024-2025 Harley-Davidson Road Glide Police FLTRXP 2024-2026 Harley-Davidson Street Glide FLHX/FLHXS 2025 Harley-Davidson CVO Road Glide RR FLTRXRRSE 2025 Harley-Davidson Street Glide Ultra FLHXU
Uses stock valve spring
ATHENA 0910-2505 S4F09800004B Piston Kit for Athena Big Bore Cylinder Piston Kit - 97.95 mm - Yamaha Brand_Fuel-tool 50-21 Duty Standard Inner TubeFeatures High resistance to mechanical and thermal stresses Has been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions Specs Compression Ratio 12. 4: 1 Displacement 450 cc Style Forged Big Bore Model Racing Piston Material Forged 2618 Aluminum Engine Type 4 Stroke Units Kit Bore Size 97. 95 mm Riding Style ATV Product Name Piston Kit Type B 2004
