The Perfect Pass RC 7075 Aluminum Bulkhead is engineered for drivers who demand absolute precision, durability, and reliability. Designed for ARRMA 6S and 1/7-scale platforms including the Limitless, Infraction, and Felony, this is the strongest and most complete bulkhead kit ever offered.
Unmatched Precision & Strength
7075-T6 Billet Aluminum: CNC-machined from aerospace-grade 7075-T6 for maximum rigidity and impact resistance.
Press-Fit NSK Bearings: Genuine Japanese NSK bearings are interference-fitted (not loose) to eliminate bearing spin and prevent housing wear.
Water & Debris Seal: A bottom seal keeps dust, moisture, and dirt out of the bulkhead for long-term reliability.
All-Inclusive Hardware Kit
Stainless Steel Screws: Complete stainless hardware set included – rust-proof and race-ready.
Dual Input Shaft Bearings: Comes with both 5mm and 8mm input bearings for full compatibility with any setup.
Precision Shims: Includes side shims and center input-shaft shims so you can fine-tune your ring-gear mesh to perfection.
Perfected Sway-Bar System
7075 Sway-Bar Covers: Precision aluminum sway-bar clamps for 2.4mm (front), 2.7mm (rear), and 4mm “Monster” sway-bar upgrade.
Direct Factory Fit: Installs with no modification – designed to align perfectly with ARRMA 6S / 1/7 chassis geometry.
Performance You Can Feel
Every dimension of this bulkhead has been refined for perfect gear alignment, zero drivetrain flex, and flawless bearing support. From the sealed design to the micrometer-grade machining, this is the ultimate structural upgrade for high-power ARRMA builds and 200 mph+ speed runs, Drag and Bashing!
📦WHAT'S INCLUDED
7075-T6 aluminum bulkhead (front or rear)
Full NSK bearing set (including 5mm & 8mm input bearings)
All stainless steel screws and hardware
Side and center shims
2.4mm / 2.7mm / 4mm sway-bar covers
Sealing O-ring and alignment components
Designed, tested, and perfected by Perfect Pass RC.
We recommend you watch the video to understand why this product is so special.
