When you're running hard on track or trail, your auxiliary lighting and accessories need to stay exactly where you put them—without compromise. The SDI Accessory Mount delivers modular flexibility with proven durability, allowing you to configure your...

If you're running auxiliary lighting on a roll cage setup, you need a mount that won't compromise your safety or your sightlines. The SDI Accessory Mount delivers precision positioning with seven compatible accessories, twenty adjustable pivot angles,...

If you're running a roll cage setup, you need a license plate mount that won't compromise your build's integrity or flexibility. The SDI Accessory Mount delivers true modularity—a single mounting point that accommodates seven different accessories at...

If you're running a race car with a roll cage, you need a registration sticker plate that won't compromise your setup or create installation headaches. The SDI Accessory Mount gives you a modular, adjustable solution that works across multiple tubing...

If you're running safety equipment or accessories on a roll cage, you need a mount system that adapts to your setup without permanent modifications. The SDI Accessory Mount - Whip delivers modular flexibility with twenty preset pivot positions, letting...

Misalignment between your motor and transmission is a silent killer—it accelerates belt wear, introduces vibration, and compounds stress on connected components. The SDI Motor Mount for Polaris eliminates this flex, keeping your drivetrain in precise...

Your BMW's engine is starving for air. The OEM filter restricts airflow at higher RPMs, robbing you of available power and throttle response. The K&N BM-1121 drops into your stock airbox with zero modifications, delivering measurably better flow while...

The stock transmission mount on your RZR 170 is a known weak point that can fail under aggressive driving or high-torque conditions, leaving you stranded. This SDI replacement reinforces the critical mounting interface between your transmission and...

Stock radius rods flex under aggressive driving conditions, compromising suspension geometry and handling precision. The SDI 64" Radius Rod replaces weak OEM components with heavy-duty construction that maintains alignment and stability through hard...

Stock radius rods flex under load, compromising steering precision and alignment stability during aggressive driving. The SDI Radius Rod replaces that compliance with rigid, heavy-duty construction that maintains consistent geometry through corners and...

Stock radius rods on your RZR XP Turbo or XP 1000 are a weak point under aggressive driving, especially in rough terrain where suspension articulation demands maximum durability. The SDI Radius Rod replaces those OEM components with heavy-duty...

Stock radius rods are a common failure point under aggressive driving conditions, compromising suspension geometry and handling precision. The SDI Radius Rod for RZR Turbo S replaces worn or damaged OEM components with heavy-duty construction that...

Stock radius rods are a common failure point under aggressive driving, especially on lifted or modified RZR 1000s where suspension geometry demands higher precision. The SDI Radius Rod replaces weak OEM hardware with heavy-duty, purpose-built components...

Stock radius rods on your RZT XP 900 are a weak link under aggressive driving conditions—flex, bind, and premature wear will compromise your suspension geometry and handling. The SDI Radius Rod replaces that OEM vulnerability with heavy-duty construction...

Stock RZR XP1K springs compromise handling and comfort, forcing you to choose between plush ride quality and controlled body movement. The SDI Shock Spring delivers a true dual-rate setup that eliminates this trade-off, giving you sharp cornering...

If you're running a Walker Evans-equipped RZR XP1K Two Seater, suspension tuning separates a comfortable ride from a competent one. The SDI Shock Spring kit delivers true dual-rate geometry that eliminates the unpredictable behavior of single-spring...

Stock RZR suspension geometry wasn't designed to handle the demands of aggressive trail riding, jumping, or multi-passenger loads without excessive body roll and bottoming. The SDI Shock Spring kit transforms your XP1K Four Seater into a genuinely...

If you're running a Walker Evans-equipped RZR XP1K or WER XP Turbo Four Seater, suspension geometry matters—and this dual-rate spring setup delivers measurable improvements in handling and comfort. The SDI Shock Spring eliminates the compromises of...

If you're running a Walker Evans suspension setup on your Talon R, spring tuning is where chassis dynamics come down to the finest details. This dual-rate spring system addresses the three biggest handling complaints in sport UTVs—excessive body roll,...

The SDI Shock Spring - Talon X4 delivers a true dual-rate suspension setup that transforms how your RZR handles aggressive terrain. By utilizing both tender and main springs in concert, you'll experience dramatically reduced body roll, eliminated nose...