# Vortex Racing V4 48 Tooth 520 Rear Sprocket - Black The next generation of Vortex aluminum rear sprockets, V4 builds on the long-running CAT5 sprocket platform with a lighter, more aggressive design. Reduced rotating mass improves acceleration, throttle response, handling, and overallagility. Ideal for street, track, and performance applications. - Excellent concentricity for smooth, quiet operation and efficient power transfer - Precision-machined from high-strength 7075-T6 aluminum - 10-15% Lighter than CAT5 - Manufactured in the USA This Part Fits: Year Make Model Submodel 2016-2021 Husqvarna FC450 Base 2014-2016,2021-2022 Husqvarna FE501 Base 2015-2016,2020-2024 Husqvarna FE501S Base 2024 Husqvarna FE501W Base 2017-2022 Husqvarna FX450 Base 2014-2016 Husqvarna TC250 Base 1995-1997 KTM 125 EXC Base 2014-2022 KTM 150 SX Base 2000-2005 KTM 200 EXC Base 1999-2003 KTM 200 MXC Base 2006-2009 KTM 200 XC Base 2006-2016 KTM 200 XC-W Base 1990-1999 KTM 250 EGS Base 2007-2011 KTM 250 EXC-F Base 2005-2016 KTM 250 SX Base 2006-2010 KTM 250 SX-F Base 2007-2011 KTM 250 XC-F Base 1990-1998 KTM 300 EGS Base 1990 KTM 300 MX Base 1990 KTM 300 MXC Base 1994-1995 KTM 440 EXC Base 1994 KTM 440 MXC Base 2017-2022 KTM 450 EXC-F Base 2017-2022 KTM 450 EXC-F Six Days Base 2008-2009,2014 KTM 450 SMR Base 2010-2011,2016-2019 KTM 450 SX-F Base 2010-2014,2016-2022 KTM 450 XC-F Base 2017,2020-2025 KTM 500 EXC-F Base 2017,2020-2025 KTM 500 EXC-F Six Days Base 2020-2022 KTM 500 XCF-W Base 2001 KTM 520 MXC Base 2000-2002 KTM 520 SX Base 2003 KTM 525 EXC Base 2024 Triumph TF 250-X Base ## Details - **Price:** 122.54 CAD - **Vendor:** Vortex Racing - **Type:** Sprockets ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 122.54 CAD | In stock | ## Images - Photo - Primary - Photo - Close Up --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/vortex-racing-v4-48-tooth-520-rear-sprocket-black) > Updated: 2026-09-12