OS Giken STR clutch kit installed in R56 Mini Cooper S
Close-up of soft release sleeve assembly and pressure plate
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OS Giken Mini Cooper S R56 1.6L 6MT STR Series 215mm Solid Soft Release Sleeve Assy. & FW Bolts

OS Giken
OSGMN023-BJ5
Clutch Kits - Multi
4 Units In Stock - Ships Next Business Day
$ 1,920.00
$ 1,920.00

SKU: MN023-BJ5   

OS Giken Mini Cooper S R56 1.6L 6MT STR Series 215mm Solid Soft Release Sleeve Assy. & FW Bolts

The OS Giken MN023-BJ5 STR Series 215mm Solid Soft Clutch Kit is engineered for the 2007–2013 Mini Cooper S R56 with 1.6L turbo 6-speed manual to deliver the ultimate balance of daily drivability and high-performance grip for modified engines up to 380 lb-ft. It features OS Giken's patented soft-release sleeve assembly that eliminates the harsh engagement of traditional solid-hub clutches while providing instant torque transfer and lightning-fast shifts that outperform OEM dual-mass flywheel setups or lesser single-plate clutches.

Utilizing a 215mm pressure plate with 30% higher clamp load and a full-face sintered metallic disc, this kit ensures smooth launches, zero slip under power, and extended life in spirited street and track use. The included lightweight chromoly flywheel bolts and precise alignment tool guarantee perfect installation, making it the choice of serious R56 owners who demand race-level response without sacrificing comfort on daily drives.

Key Features

  • Soft Release Sleeve Assembly: Patented design for smooth engagement with solid-hub feel
  • 215mm Sintered Metallic Disc: Full-face for maximum torque capacity and heat resistance
  • 30% Higher Clamp Load: Increased pressure plate force for 380+ lb-ft capability
  • Lightweight Chromoly Flywheel Bolts: Reduces rotational mass and prevents loosening
  • Direct Bolt-On: Complete kit with alignment tool for precise installation
  • Japanese-Engineered: Hand-assembled with legendary OS Giken quality control
  • Street & Track Optimized: Daily drivable with race-level performance

Product Notes

  • Complete clutch kit with pressure plate, disc, release sleeve, and flywheel bolts
  • Designed for 2007–2013 R56 Mini Cooper S 1.6L turbo 6MT only
  • Recommended for modified vehicles up to 380 lb-ft
  • Requires proper break-in procedure for longevity

Warranty: OS Giken 1-year limited warranty

Installation Notes

  • Professional installation recommended
  • Remove transmission and flywheel resurface flywheel for best results
  • Install alignment tool, torque pressure plate bolts to 25 Nm in star pattern
  • Bleed clutch system and perform 500-mile break-in

This Part Fits

Year Make Model Notes
2007–2013 Mini Cooper S R56 1.6L Turbo 6MT

What's Included in the Purchase

  • 215mm Pressure Plate
  • Sintered Metallic Clutch Disc
  • Soft Release Sleeve Assembly
  • Lightweight Chromoly Flywheel Bolts
  • Alignment Tool
  • Installation Instructions (PDF)

Why Choose OS Giken STR Series?

  • Legendary Japanese clutch engineering with patented soft-release technology
  • Perfect blend of street comfort and track performance
  • Hand-built with unmatched quality control

Frequently Asked Questions

  • Q: Is this clutch daily drivable?
    A: Yes, soft-release sleeve provides smooth engagement for traffic
  • Q: Does it include flywheel?
    A: No, flywheel bolts only uses factory flywheel
  • Q: How much power does it hold?
    A: Rated to 380 lb-ft safely

Shipping & Handling

  • Method: Ground shipping, expedited available
  • Availability: Usually ships within 1-2 business days
  • Packaging: Securely boxed and foam-padded for maximum protection

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