Spec 89-94 Nissan Skyline R32 / 93-98 Skyline R33 Twin disc Flywheel (for PN SN26SST) - SN43SM9
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Upgrade your Nissan Skyline R32 or R33 with the SPEC Twin Disc Steel Flywheel. Engineered for precision and performance, this flywheel ensures optimal clutch performance and longevity.
- Precision CNC manufacturing with .001 tolerance
- High carbon billet steel for durability
- Replaceable steel friction plate
- SFI certified for safety
- Optimized for street, drag, pulling, and autocross
- Nissan Skyline R32 1989-1994
- Nissan Skyline R33 1995-1998
SPEC offers thousands of applications, including a wide variety of performance stages, multi-disc assemblies, tuned billet flywheels, lightweight options and more. All designed, hand-built and tested in the U.S.A.
SPEC Flywheels are CNC manufactured at an unheard-of .001 tolerance, in an industry where the standard is .010. This precision manufacturing process ensures perfect balance and a perfectly flat bedding surface for the clutch disc, both of which also contribute to the ultimate in safety for competitive environments. All SPEC flywheels carry SFI certification.
The automotive component most responsible for insuring optimum clutch performance and life is the flywheel. The flywheel's contribution to power transfer is three-fold.
Firstly, the flywheel should provide a consistent and friction enhancing surface for the clutch disc. Flywheels also aid in proper inertia, which is determined by the flywheel weight. Inertia controls the ratio of power to acceleration and can make a vehicle faster or slower based on gear ratio, tire type, vehicle weight, power output and even the location in the powerband output is achieved. The weight of a flywheel and amount of inertia it provides can also effect drivability. Lastly, the flywheel must provide a true balance at rpm, which means no dimensional runout that produces engine damaging and power robbing vibrations and allows smooth engine revolutions.
To allow for specific inertia needs, SPEC flywheels are made in high carbon billet steel and aircraft quality billet aluminum. The aluminum and most steel SPEC units are rebuildable and feature a replaceable steel friction plate that is made from a friction- enhancing steel metal specially formulated for optimum clutch bedding and holding power. The aluminum and steel materials provide a light and medium weight option for all types of racing. SPEC spends a lot of time and effort on research and development of optimum flywheel dimensions and weights for all types of driving and racing and can optimize your MOI (moment of inertia) to maximize your car's output and performance.
Types of Driving: Street, Drag, Pulling, Autocross
Fitment:
- Nissan Skyline R32 1989-1994
- Nissan Skyline R33 1995-1998
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