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Cusco LSD RS-1.5way(1.5&2) Rear CT9A Evo7 8 9 & 10 Non-AYC Cusco CUSLSD 141 L15
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Cusco LSD RS-1.5way(1.5&2) Rear CT9A Evo7 8 9 & 10 Non-AYC

Cusco
CUSLSD 141 L15
4996338012913
Differentials
3 Units In Stock - Ships Next Business Day
$ 1,480.00 $ 1,332.00
$ 1,332.00

SKU: LSD 141 L15 | UPC: 4996338012913

Cusco LSD RS-1.5way Rear CT9A 2001-2007 Evo 7 8 9 Non-AYC

Cusco LSD RS 1.5way provides clutch-type limited slip differential action for the rear axle on CT9A chassis Mitsubishi Lancer Evolution 7 8 and 9 non-AYC models. Power transfers evenly to both rear wheels under acceleration for quicker corner exits and planted handling on street or track. Direct bolt-in replacement boosts grip without driveline changes.

Key Features

  • Clutch Pack Design: 6 drive side and 6 spider side plates deliver smooth progressive lockup under load for reliable traction in all conditions.
  • 1.5 Way Operation: Full lock on acceleration and partial lock on deceleration maintains rear stability through corners and braking zones.
  • Adjustable Initial Torque: Factory preset at 20 kgm adjustable to 50 kgm with preload shims to match driving preferences.
  • 55 Degree Ramp Angle: Ensures fast response alongside extended clutch plate life during aggressive shifts and high torque.
  • Steel Case Construction: Handles track-level abuse while preserving accurate gear alignment and durability.

Product Notes

  • For non-AYC rear differentials on CT9A chassis only. Verify chassis code before purchase.
  • Fill with Cusco Super LSD oil post-install for optimal clutch engagement and longevity.
  • Heavy automotive component. Check packaging integrity on arrival.

Installation Notes

  • Professional installation recommended.
  • Remove stock differential from rear subframe. Reuse OEM bearings and carriers.
  • Torque ring gear bolts to 100-120 Nm. Follow Cusco 100-mile break-in procedure.

This Part Fits

Year Make Model Submodel
2001-2002 Mitsubishi Lancer Evolution VII
2003-2005 Mitsubishi Lancer Evolution VIII
2006-2007 Mitsubishi Lancer Evolution IX

Why Choose Cusco?

  • Motorsport experience from Japanese drifting and rally competition teams.
  • Hand-assembled with dyno testing for consistent performance.
  • OEM-spec dimensions ensure direct fit and seamless operation.

Frequently Asked Questions

  • Q: Does this LSD fit AYC equipped Evos?
    A: No. Built for non-AYC CT9A rear differentials on Evo 7 8 9 only.
  • Q: What clutch plates are included?
    A: 12 high-capacity friction plates in RS setup resist heat and provide strong grip.
  • Q: What warranty applies?
    A: One year against manufacturer defects. Register on Cusco website for service.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Double-boxed with foam protection, 18 x 14 x 12 inches
  • Weight: 22.5 lbs

Request For Information

Have questions about Cusco LSD RS-1.5way(1.5&2) Rear CT9A Evo7 8 9 & 10 Non-AYC? Fill out the form below and we'll get back to you by the next business day.
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