If your OEM Infinity G35/G37 or Nissan 350Z/370Z clutch is ready to be replaced or you just need a better clutch set up then SPEC is the perfect choice. All of SPEC's clutches and flywheels are made in house using some of the most advanced methods and under the strictest tolerances. SPEC gives Infinity/Nissan owners the choice of 7 different clutch kits to allow you to match your kit to the way you drive your car and what kind of power you are putting to the ground. If you have any questions about one of these Spec Clutch Kits for your Infinity and Nissan please give us a call (714) 582-3330 Benefits - Clutches and flywheels are made in house
- Manufactured using the most advanced methods
- Can withstand more power and torque
- Faster shifting speeds
- Better clutch feel
- More power to the ground
Application Guide MAKE | MODEL | MODEL | YEAR | STAGE 1 | STAGE 1 TORQUE | STAGE 2 | STAGE 2 TORQUE | STAGE 2+ | STAGE 2+ TORQUE | Infinity | G35 | ALL | 2007-2008 | SN351-2 | 385 | SN352-2 | 439 | SN353H-2 | 494 | Infinity | G37 | ALL | 2008-2013 | SN351-2 | 385 | SN352-2 | 439 | SN353H-2 | 494 | Nissan | 350Z | ALL | 2007-2009 | SN351-2 | 385 | SN352-2 | 439 | SN353H-2 | 494 | Nissan | 370Z | ALL | 2009-2014 | SN351-2 | 385 | SN352-2 | 439 | SN353H-2 | 494 | STAGE 3 | STAGE 3 TORQUE | STAGE 3+ | STAGE 3+ TORQUE | STAGE 4 | STAGE 4 TORQUE | STAGE 5 | STAGE 5 TORQUE | Steel Flywheel | ALUMINUM FLYWHEEL | SN353-2 | 525 | SN353F-2 | 610 | SN354-2 | 525 | SN355-2 | 740 | SN35S-2 | SN35A-2 | SN353-2 | 525 | SN353F-2 | 610 | SN354-2 | 525 | SN355-2 | 740 | SN35S-2 | SN35A-2 | SN353-2 | 525 | SN353F-2 | 610 | SN354-2 | 525 | SN355-2 | 740 | SN35S-2 | SN35A-2 | SN353-2 | 525 | SN353F-2 | 610 | SN354-2 | 525 | SN355-2 | 740 | SN35S-2 | SN35A-2 | | Types of Driving: Street, Drag, Drift, Road Race, Rallye, Pulling, Autocross Features an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and excellent life. This lining has an integrally bonded steel backing for strength under high clamp loads and temperatures. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street and many track/off-road applications. - High clamp pressure plate
- Steel-backed and multi-compound woven organic material
- High torque sprung hub and disc assembly
- Bearing and tool kit
| | Types of Driving: Street, Drag, Pulling, Autocross Features segmented or full faced pure Kevlar disc with steel backing. This lining features excellent drivability like the stage 1, but offers slightly longer life and higher torque capacity. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Best for street, drag, pulling and autocross. - High clamp pressure plate
- Pure Kevlar friction material
- High torque sprung hub and disc assembly
- Bearing and tool kit
| | Types of Driving: Street, Drag, Pulling, Autocross Features a multi-friction disc in a full faced configuration with carbon semi-metallic on one side and Kevlar on the other. Bridging the gap between stage 2 and stage 3, the 2+ offers drivability and engagement quality characteristic of the stage 2, but with a 15-20% higher torque capacity. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Great for street, drag, autocross, road racing, pulling, rallye and drift. - High clamp pressure plate
- Hybrid Kevlar and Carbon-Graphite Friction material
- High torque sprung hub and disc assembly
- Bearing and tool kit
| | Types of Driving: Street, Drag, Pulling, Autocross Features a carbon semi-metallic 6 puck sprung hub disc that has been the leading puck clutch in drivability, life and torque capacity. This unit is designed for street and race cars that require an aggressive but streetable engagement and high torque capacity. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Also available in 3 puck configuration. Great for street, drag, road racing, pulling, rallye and drift. - High clamp pressure plate
- Carbon-Graphite Friction Material
- High torque sprung hub and disc assembly
- Bearing and tool kit
| | Types of Driving: Street, Drag, Pulling, Autocross The flagship stage for a high powered street or race car that requires a manageable and friendly engagement, the stage 3+ features a carbon semi-metallic full faced material that offers unparalleled life, friction co-efficient and drivability characteristics in one single package. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Great for street, drag, drift, autocross, road racing, pulling, rallye and drift. - High clamp pressure plate
- Carbon semi-metallic friction material
- High torque sprung hub and disc assembly
- Bearing and tool kit
| | Types of Driving: Street, Drag, Pulling, Autocross This unit is a solid hub version of the stage 3. The hub is solid 8-rivet and the assembly is heat treated for strength and durability. It is available in a 3, 4 or 6 puck configuration. Use the 3 puck for the lightest option or the 6 puck for the smoothest engagement. The 4 puck is a good compromise for both. Street drivable in 6 puck configuration, but not street friendly due to the rigid hub. Best for drag racing, road racing, pulling, rallye and drift. - High clamp pressure plate
- Carbon-Graphite Friction Material
- High torque solid hub and disc assembly
- Bearing and tool kit
| | Types of Driving: Street, Drag, Pulling, Autocross Features a full-metallic disc with the highest possible friction co-efficient. Street drivable but not street-friendly. The hub is solid 12-rivet and the assembly is heat treated for strength and durability. Best for extreme street and drag racing. - High clamp pressure plate
- Full-metallic friction material
- High torque solid hub and disc assembly
- Bearing and tool kit
| | Aluminum Flywheels Types of Driving: Street, Drag, Pulling, Autocross SPEC billet flywheels are manufactured and developed for specific driving environments and recommended based on how each car reacts to changes in rotating mass. SPEC flywheels are NOT a one-fits-all lightweight flywheel, though they can be used for an array of driving habits and racing/high performance applications. Consult a SPEC representative for a recommendation. Manufactured from only the highest quality steel and aluminum, they are the only flywheels on the market manufactured to a .001 machine tolerance, guaranteeing a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life. | If you have any questions about one of these Spec Clutch Kits for your Infinity or Nissan please give us a call (714) 582-3330
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