OS Giken Super Lock LSD for Porsche Boxster S and Cayman manual transmission models
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OS Giken Porsche Boxster S (2nd Gen / MT Only) / Cayman (MT Only) Super Lock LSD

OS Giken
OSGPR151-HA
Differentials
2 Units In Stock - Ships Next Business Day
$ 1,820.00
$ 1,820.00

SKU: PR151-HA

OS Giken Super Lock LSD for Porsche Boxster S (2nd Gen / MT Only) / Cayman (MT Only)

Experience ultimate traction and performance with the OS Giken Super Lock LSD for the Porsche Boxster S (2nd Gen MT) and Cayman (MT). This revolutionary limited slip differential features an unprecedented number of friction plates (up to 28) combined with OS Giken’s patented lock timing system for smooth, progressive, and complete locking. Ideal for street, track, and high-performance driving, the Super Lock LSD delivers superior handling, stability, and durability while maintaining excellent drivability.

Key Features

  • Super Lock Design – Up to 28 friction plates for true 100% lock capability
  • Patented Lock Timing System – Smooth, progressive, and quiet locking
  • High-Grade Steel Alloy – Chemically heat treated for maximum durability
  • Precision Machined Components – Minimal warpage and exceptional strength
  • Tunability – Adjustable initial torque, lock progression, and ramp angles
  • TCD Spec Available – Optional oil channels for increased cooling and smoother operation

Specifications

Detail Value
Brand OS Giken
Type Super Lock LSD
Vehicle Porsche Boxster S (2nd Gen MT) / Cayman (MT)
Country of Origin Japan
Warranty OS Giken Limited Warranty

Whats Included

  • OS Giken Super Lock LSD Assembly
  • Installation Hardware (as required)

Product Notes

  • Electronic Traction Control must be deactivated
  • Requires vehicles with oil pump or speed sensor
  • Professional installation and setup recommended

This Part Fits

Year Range Make Model Notes
2005–2012 Porsche Boxster S / Cayman / Cayman S / Cayman R / Spyder Manual Transmission Only

Why Choose OS Giken?

  • World-renowned manufacturer of high-performance differentials and clutches
  • Super Lock LSD offers unmatched locking performance and tunability
  • Precision Japanese engineering with superior materials and construction
  • Trusted by professional racers and serious enthusiasts worldwide

Frequently Asked Questions

  • Q: Is this suitable for street use?
  • A: Yes. The progressive locking provides excellent drivability for both street and track applications.
  • Q: Will this fit my 2008 Porsche Cayman S manual?
  • A: Yes. It is designed for Porsche Boxster S (2nd Gen MT) and Cayman (MT) models.
  • Q: Is professional installation recommended?
  • A: Yes. Professional installation and proper setup are critical for optimal performance and longevity.

Shipping & Handling

  • Method: UPS Ground or FedEx Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Secure OS Giken retail packaging
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