411 Works 1" Steel Cups w/ Aluminum Bungs | Precision CNC Machined | Fabrication Components Overview The 411 Works 1" Steel Cups with Aluminum Bungs are precision-machined fabrication components designed for enthusiasts and fabricators who demand high-quality, reliable parts for custom projects. These cups and bungs serve as versatile mounting and attachment points, suitable for a variety of applications including suspension, chassis reinforcement, and custom Subaru builds where strong, precise weld points are essential. Manufactured in-house on HAAS CNC machines, these components utilize premium North American materials—1018 steel for the cups and 6061 aluminum for the bungs—ensuring consistent dimensional accuracy and durability. The 411 Works commitment to quality craftsmanship means each piece is engineered to exacting tolerances, providing a professional-grade foundation for your fabrication needs. For Subaru enthusiasts, these cups and bungs offer a reliable solution when upgrading or modifying suspension components, mounting brackets, or other custom parts. Their true 0.90" size and multiple variations allow for tailored fitment and integration, supporting the precision and performance Subaru owners expect from their builds. Features & Specifications This 411 Works 1" Steel Cups with Aluminum Bungs set is engineered for custom fabrication and performance applications, featuring 1018 steel cups and 6061 aluminum bungs machined to precise tolerances. Constructed from premium North American materials, it delivers durability and exact fitment for Subaru enthusiasts seeking reliable mounting solutions. Brand: 411 Works Product: 1" Steel Cups w/ Aluminum Bungs Part Number: 411-SCSCA5165 Fitment: Universal / N/A Material: 1018 Steel (Cups), 6061 Aluminum (Bungs) Finish: Raw machined steel and aluminum Construction: CNC machined on HAAS machines Origin: Made in USA Steel Cup Variations: Deep, Shallow, Scallop Aluminum Bung Thread Options: M6x1.0, M8x1.25, 1/4-20, 5/16-18 True Size: 0.90" diameter Key Benefits Precision Fitment: CNC machining ensures consistent dimensions for seamless integration in custom Subaru fabrication projects. Material Quality: High-grade 1018 steel and 6061 aluminum provide strength and corrosion resistance where it counts. Versatility: Multiple cup styles and bung thread options accommodate a wide range of mounting and attachment needs. Made in USA: Supports domestic manufacturing with strict quality control and material sourcing from North America. Fabrication Confidence: Designed to pair with other 411 Works components for a cohesive and reliable build experience. Subaru Compatibility: Ideal for custom suspension and chassis modifications common in Subaru performance builds. What's Included 1× 411 Works 1" Steel Cup (Deep, Shallow, or Scallop variation as selected) 1× 411 Works Aluminum Bung with selected thread size Installation instructions (included with purchase) Installation & Compatibility Installation of the 411 Works Steel Cups and Aluminum Bungs requires welding and basic fabrication skills. These components are designed for professional or experienced DIY fabricators comfortable with precise measurements and welding techniques. No special tools beyond standard fabrication equipment are required, but care must be taken to maintain dimensional accuracy and thread integrity during installation. These parts are universal and do not have specific Subaru model restrictions, but verifying size and thread compatibility with your custom application is essential. Professional Installation: Recommended for welding and fabrication quality assurance Modifications Required: None beyond standard welding and mounting procedures Verify Compatibility: Confirm thread size and cup style for your specific build requirements Shop with confidence at Subimods—your Subaru parts specialists.
