
Introducing the latest innovations from The Right Stuff and Trim Parts Inc, RPUI’s leading brands known for quality and craftsmanship. Our new product lineup is designed to meet the highest standards of performance and reliability, offering solutions that enhance vehicle restoration projects for businesses across the automotive industry. Explore our latest launches and discover how RPUI continues to support your business with superior products that drive success.
Square Body Conversion Kits
Drop Spindle Conversion Brake Kits tailored for 1971-1987 models, these kits come in front-only, four-wheel, or complete setups including power booster, master cylinder, and proportioning valve combo kits. Available in both Street and Performance series, choose from three upper assembly finishes, three caliper colors, and two rotor types to fit your customers specific needs.
Square Body Conversion Kits
Drop Spindle Conversion Brake Kits tailored for 1971-1987 models, these kits come in front-only, four-wheel, or complete setups including power booster, master cylinder, and proportioning valve combo kits. Available in both Street and Performance series, choose from three upper assembly finishes, three caliper colors, and two rotor types to fit your customers specific needs.
Hydro Boost Kits
Maximize braking power with Hydro Boost options, available as full conversion kits or standalone upper assemblies. Designed to integrate seamlessly with all major product lines, this upgrade enhances braking efficiency and performance, ensuring your customers get the reliability they expect.
Hydro Boost Kits
Maximize braking power with Hydro Boost options, available as full conversion kits or standalone upper assemblies. Designed to integrate seamlessly with all major product lines, this upgrade enhances braking efficiency and performance, ensuring your customers get the reliability they expect.

Truck Disc Conversions
1947-1970 GM truck disc brake conversion kits available in front, rear, or full four-wheel conversions, these kits are part of our Street series and offer three upper assembly finishes, three caliper colors, and two rotor types, giving you the customization and performance to keep your customers’ restorations ahead of the curve.
Truck Disc Conversions
1947-1970 GM truck disc brake conversion kits available in front, rear, or full four-wheel conversions, these kits are part of our Street series and offer three upper assembly finishes, three caliper colors, and two rotor types, giving you the customization and performance to keep your customers’ restorations ahead of the curve.
Black Master Boost Combo Kits
For an all-black, sleek aesthetic, our Black Power Booster Master Cylinder Combos deliver both style and functionality. Available as complete conversion kits or as upper assemblies, this kit includes black power boosters, black master cylinders, and black proportioning valves for all major product lines, ensuring a powerful and unified look.
Black Master Boost Combo Kits
For an all-black, sleek aesthetic, our Black Power Booster Master Cylinder Combos deliver both style and functionality. Available as complete conversion kits or as upper assemblies, this kit includes black power boosters, black master cylinders, and black proportioning valves for all major product lines, ensuring a powerful and unified look.