OS Giken
OS Giken Superlock LSD for Mitsubishi Evo 4-9 (CP9A/CT9A Rear)
OS Giken Superlock LSD for Mitsubishi Evo 4-9 (CP9A/CT9A Rear)
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OS Giken Superlock LSD - a proven, patented mechanical limited-slip differential featuring the L.T.C.S. (Lock Timing Control System) for smooth, open-diff-like behaviour under light throttle and progressive 100% lock under acceleration. The S.T.S.G. (Spline Through Side Gear) design fits 1.5-2x more friction plates than a conventional LSD, delivering full lock with minimal heat generation and no measurable degradation after 150,000km+ of testing.
Fitment: Mitsubishi Evo 4-9, CP9A/CT9A chassis, RS and non-AYC variants, rear diff. 1.5-way spec: ramps 25/38, lock timing 336, 20 total plates, 10S preload.
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