IMCA Modified Parts

If you're running a dirt Modified, you need a valance that matches your setup without costing you track time to install. Fivestar's modified aero valance delivers adjustable fitment and racing-sanctioned aerodynamics in a lightweight, durable package...

If you're running a Modified on dirt, aerodynamic efficiency directly translates to improved downforce and stability through corners—and Fivestar's MD3 valance kit delivers both without adding unnecessary weight. The overlapping flange design ensures a...

A quality rear hub is the foundation of reliable wheel assembly and safe load transfer to your suspension. The DMI Steel 5X5 GN delivers the durability and precision fit your racing or off-road build demands, with all essential components included for a...

A worn or damaged lower control arm compromises suspension geometry, steering response, and tire wear—making replacement critical for both safety and performance. This Allstar Performance unit delivers OEM-style construction with the durability required...

If you're running IMCA competition or building a Mustang II-based race car, front-end geometry directly impacts your lap times and handling consistency. The Allstar Performance IMCA Must II Spindle delivers the precision and durability required for...

If you're running IMCA competition or building a Mustang II-based race car, you need a spindle that meets sanctioning body specifications without compromise. The Allstar Performance IMCA Must II Spindle delivers IMCA-approved geometry and durability in a...

A properly mounted brake caliper is non-negotiable for consistent stopping power and even pad wear. This Allstar Performance bracket delivers the precision fitment you need for your 3-piece spindle setup, eliminating guesswork and ensuring your braking...

If you're running a Mustang II or GM metric spindle setup, a quality brake bracket is non-negotiable for safe, consistent stopping power. The Allstar Performance ALL55981 delivers a rigid, bolt-on mounting solution that positions your GM metric caliper...

If you're building or restoring a Mustang II with serious intent—whether for IMCA competition or street performance—you need a spindle body engineered to handle real-world loads without compromise. Allstar's forged steel spindle delivers the precision...

If you're building or restoring a Mustang II with an eye toward street or strip performance, a quality front spindle is non-negotiable—it's the foundation of your steering and suspension geometry. The Allstar Performance Mustang II Complete 3pc Spindle...

If you're building or refreshing a Mustang II front end, the quality of your spindle directly impacts steering precision, brake performance, and overall suspension geometry. This Allstar Performance complete spindle assembly eliminates the hassle of...

When precision and durability matter most on the track, the Allstar Performance Spring Steel 40ft Roll (ALL23110) delivers exactly what serious racers and builders demand. This high-grade spring steel gives you the flexibility to customize critical...

Take your dirt modified to the next level with the Allstar Performance MOD Aluminum Body Brace Kit (ALL23106) — a race-ready solution that makes hanging new body panels faster, cleaner, and more secure than ever. Built from lightweight aluminum with...

Keep your race car's body panels secure and rattle-free with the Allstar Performance Flexible Body Brace Kit (ALL23080). Designed with flexibility in mind, this brace absorbs vibration while maintaining a solid hold — perfect for keeping everything tight...

Fuel system reliability hinges on preventing backflow and maintaining consistent pressure—two problems this check valve solves with a single, bolt-on component. By opening at just 3 PSI, it eliminates the need for expensive high-pressure pumps and...

Fuel backflow can kill system pressure and force you into expensive pump and regulator upgrades you don't need. This high-flow check valve seals the leak instantly when your pump shuts off, maintaining consistent pressure while delivering 20% more flow...

A quality air filter is fundamental to engine performance and longevity. This low-profile design delivers maximum airflow while fitting tight engine bays, making it ideal for custom builds and performance applications where space is at a premium. The dry...

A quality intake air filter is fundamental to engine performance—restricting airflow costs you horsepower and efficiency. This low-profile design delivers maximum air volume in compact engine bays, making it ideal for tight fitment applications where...

A quality air filter directly impacts engine efficiency, throttle response, and overall performance—especially in high-demand racing applications where every intake cycle matters. This low-profile design fits tight engine bays without sacrificing...

A properly sized air filter is critical to maintaining peak engine efficiency and protecting internal components from contaminants. This low-profile design fits tight engine bays without sacrificing airflow, making it ideal for custom builds and vehicles...