IMCA Modified Parts

A flat-bottom air cleaner assembly delivers superior airflow and a classic race-car aesthetic while maintaining reliable filtration for high-performance carbureted engines. The Walker washable filter element eliminates recurring filter costs and allows...

Reusable air filters deliver superior airflow and filtration consistency compared to disposable alternatives, translating directly to improved engine responsiveness and fuel efficiency. This complete maintenance kit eliminates guesswork by bundling...

Dirt modified racing demands body panels that can withstand aggressive track conditions without sacrificing performance. The Fivestar MD3 Plastic Door and Quarter Panel Kit delivers the durability of traditional aluminum at equivalent weight, eliminating...

If you're building or tuning a rage modified or dirt race chassis, getting your suspension geometry dialed in is non-negotiable—and that starts with a quality upper control arm. This 9" adjustable unit gives you the fine-tuning capability to dial in...

Precision chassis setup starts with a properly tuned upper control arm, and this adjustable design gives you the geometry control you need to dial in your Rage Modified or dirt racer. The aluminum cross shaft reduces unsprung weight while the 10.75" to...

Precision adjustable upper control arms demand a cross shaft that won't compromise your suspension geometry or alignment repeatability. This aluminum notched cross shaft gives you the adjustability you need without the weight penalty, while the...

Precision adjustability starts with a solid foundation. This aluminum cross shaft gives you the fine-tuning capability to dial in your suspension geometry without compromise, whether you're chasing lap times or dialing in street performance. Built for...

Precise suspension geometry is non-negotiable in dirt racing—even small deviations in control arm length directly impact handling, tire wear, and lap times. This 11" adjustable upper control arm gives you the fine-tuning capability to dial in your...

Upper control arm geometry directly impacts your suspension's alignment, steering response, and tire wear—especially critical in dirt racing where chassis setup separates winners from the field. This 9" adjustable arm lets you fine-tune your a-frame...

A reliable fuel cell is non-negotiable for dirt late model and modified racing—your performance depends on consistent fuel delivery under extreme conditions. The JAZ Man O' War Series delivers that dependability with a seamless cross-linked polyethylene...

A high-capacity oil pan is essential for engine longevity and consistent lubrication under sustained racing conditions. This 6-quart capacity provides superior oil cooling and reduces the risk of oil starvation during hard cornering and aggressive...

If you're running an IMCA Modified with a 604 crate engine, a dedicated serpentine water pulley setup eliminates the guesswork of improvised cooling and accessory drive systems. The KSE Tandem-X belt drive delivers reliable, efficient power transfer to...

A high-performance cooling system isn't optional—it's mandatory if you're pushing your engine to its limits. This Double Pass Radiator Kit delivers the thermal management you need to maintain consistent power output during sustained track sessions,...

MD3 front end configurations demand proper airflow management to maximize cooling efficiency and protect critical engine bay components from debris. The Fivestar Cockpit Deflector channels air precisely where it's needed while safeguarding your radiator...

The Fivestar Modified Aero Valance MD3 delivers the aerodynamic efficiency and aggressive front-end styling that separates competitive machines from the rest. This three-piece kit bolts directly onto your MD3 setup, providing improved downforce and...

Suspension geometry directly impacts your car's handling, tire wear, and overall competitiveness on the track. These 5/8" heavy-duty steel tubes give you the adjustability and strength needed to dial in your setup precisely, without compromising...

Keep your fluids topped off without the hassle of popping the hood mid-race — the Allstar Performance Remote Fill Tank ALL36110 gives you convenient, accessible fluid management right where you need it. Designed with a sleek flush mount profile, this...

A worn or damaged lower control arm compromises suspension geometry, leading to poor handling, uneven tire wear, and unpredictable steering response—especially critical on classic A-Body Chevelles where original components have likely fatigued after...

A battery master disconnect switch is essential for any serious racing setup or performance vehicle—it cuts power instantly in an emergency, prevents parasitic drain during storage, and isolates your electrical system for safe maintenance. The QuickCar...

A properly engineered air cleaner assembly is essential for maximizing engine efficiency and protecting your carburetor from contamination during high-performance operation. This complete flat-design kit delivers consistent, clean airflow while...