2017+ F-150 & Mustang RSA Race Solutions Stage 4 1500R Transmission 10R80 Build

RSA Race Solutions Stage 1500R Transmission Build
For 2017+ Ford F-150 & Mustang | 10R80 Platform
Unleash unrelenting power with the RSA Stage 1500R—the ultimate 10R80 transmission upgrade engineered to dominate the 1,500+ horsepower frontier. Precision-built by RSA Race Solutions, this drop-in beast transforms your 2017+ F-150 or Mustang into a drag-strip tyrant and roll-race monarch without compromise.
Core Upgrades:

Billet 6061-T6 Input Shaft – Triple heat-treated, cryogenically processed for extreme torque deflection resistance.
RSA Forged Intermediate & Output Shafts – Micro-polished, shot-peened, and ISR-treated for 40% higher fatigue life.
Full Billet Clutch Packs – 8-friction GPZ forward, 7-friction direct, red-lined for zero slip under 1,500 ft-lbs.
Custom RSA Valve Body – 3D-calibrated shift solenoids, +30% line pressure, lightning 0.18s shift times.
HD Torque Converter – Furnace-brazed, multi-disc lockup, 2,800–3,200 RPM stall (tunable).
Reinforced Bellhousing & Pump – CNC-machined from 7075 aluminum, integrated oiling mods for 200°F cooler runs.

Performance DNA:

1,500 RWHP / 1,300 ft-lbs rated (dyno-proven with 93 octane & E85).
Sub-9-second 1/4-mile capable in 3,200 lb Mustangs; 10.5s in 5,500 lb F-150s.
Zero-60 MPH in <2.8s (traction-limited). Plug-and-Play Fitment: Direct bolt-in for all 2017–2025 10R80-equipped F-150 (2.7L/3.5L/5.0L) & Mustang GT/Coyote. Retains factory TCM logic; optional RSA flash tune unlocks full potential. Built to Survive: 100% dyno-tested at 1,600 hp for 50 cycles. 2-Year/24,000-mile warranty (race use excluded). Includes: Pre-filled with RSA Synthetic 10R80 Fluid (Nanoceramic friction stabilizers). Billet transmission mount, upgraded cooler lines, and dipstick delete plug. Track. Street. Legend. The Stage 1500R isn’t just a transmission—it’s the final boss of 10R80 evolution. Order now and join the 8-second F-150 / 1,500 hp Mustang revolution. RSA Race Solutions – Where 10R80s Fear to Tread. Two Hassle-Free Options for Your Upgraded 10R60 Transmission Option 1: Send Us Your Core – We'll Build It Better Ship your existing 10R60 transmission core to us, and we'll transform it with our proven RSA Stage 1 upgrade for ultimate performance and reliability. Key Details: Full Pre-Build Inspection: Every core is thoroughly inspected before assembly to ensure top-quality results. Transparent Repairs: If any hard parts (gears, shafts, drums, etc.) show wear or damage, we'll reach out with a clear quote for replacements—no work proceeds without your approval. Secure Shipping: Package your core on a sturdy pallet designed for safe round-trip transport (you're responsible for inbound shipping). Flexible Return Shipping: Arrange it yourself or let us handle it—we'll simply invoice the cost. Option 2: Get a Brand-New, Ready-to-Install Unit – Zero Downtime Opt for a factory-fresh 10R60 fully built by RSA with our Stage 1 upgrades. Swap it in and hit the road immediately—no waiting required. Core Refund Opportunity: A $3,500 core charge applies at purchase. Return your stock 10R60 core for a potential full refund (minus any deductions). Inspection Required: The core must pass our standards. If extra parts are needed to make it rebuildable, those costs will be subtracted from your refund. Shipping Made Simple: Use a secure pallet for return. Handle shipping yourself or have us arrange it (invoiced separately).