OS FR7 name
OS-FR7

OS GIKEN

AUSTRALIA

RACING POWER UNIT & PARTS DEVELOPMENT

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OS Giken, since 1973

Renowned Japanese racing parts specialists OS Giken Co Ltd have been part of the tuning and racing scene since 1973. In the mid seventies the company first gained notoriety for their twin-cam head design for Nissan L-series four and six-cylinder engines. From 1982 production of multi-plate racing clutches began and these have been the key OS Giken product ever since.

Later OS Giken developed more special racing parts, like the patented Superlock LSD, the RB30 racing engine and OS-88 sequential transmission for GT-R and most recently the patented Grand Touring series clutches. In all cases, OS Giken strives for the pinnacle of durability and performance.

Still leading the way

Our Products

  • OS Giken Extended Capacity Mazda MX5 ND Differential Cover 2.0L
    Differential

    OS Giken Extended Capacity Mazda MX5 ND Differential Cover 2.0L

    (0 reviews)
    $1,100.00 Add to cart
  • OS Giken Super Single Steel - Aluminium
    Clutch Kits

    OS Giken Super Single (Aluminium) Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $1,700.00 Add to cart
  • OS Giken Super Single Steel - Pressed Steel
    Clutch Kits

    OS Giken Super Single (Pressed Steel) Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $1,600.00 Add to cart
  • OS Giken TS-Series Clutch Kit
    Clutch Kits

    OS Giken TS2B Twin Plate Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $2,300.00 Add to cart
  • OS Giken STR-Series Clutch Kit
    Clutch Kits

    OS Giken STR2C Twin Plate Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $2,500.00 Add to cart
  • OS Giken HTR-Series Clutch Kit
    Clutch Kits

    OS Giken HTR2C Twin Plate Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $2,550.00 Add to cart
  • OS Giken GT Clutch
    Clutch Kits

    OS Giken GT1CD Single Plate Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $2,100.00 Add to cart
  • OS Giken TS-Series Clutch Kit
    Clutch Kits

    OS Giken TS2C Twin Plate Clutch Kit For Mazda RX-7 FC3S 13BT

    Attention: Chassis (vin) No.0-200000 (before minor) requires MAZDA genuine counter weight (N327-11-521A) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Chassis (vin) No.200001- (after minor) requires MAZDA genuine counter weight (N351-11-521) & 6 bolts (8051-27-236 or 8051-27-235) for FC3S OS clutch installation.
    Attention: Use RX-8 release sleeve assy. set for FC3S OS clutches.

    (0 reviews)
    $2,500.00 Add to cart

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