Lightweight flywheels are a great way to improve the performance of your vehicle because they reduce rotating mass. This means your engine will rev more freely and accelerate faster because less horsepower will be lost between the crank and the wheels, making your engine work more efficiently.
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. Manufactured from only the highest quality 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. Not to mention the lightweight aluminum construction means a more responsive, faster revving engine that gets more horsepower to the wheels due to less rotating weight.
Nissan 300ZX 3.0L Twin-Turbo 91-96
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Back in the day, engines were only rated at less than 50hp. Having a 100hp vehicle back then is considered as a performance race engine in today's standard. But as technology evolves so is the horspower.
Today, you see engines having more than 1000hp, some even reaching five times that number. And with that much output, there is a need for a drivetrain component that would be able to handle this much power. SPEC Clutch is a company that can deliver just that.
Based in Bessemer, Alabama, SPEC Clutch was founded by automotive enthusiasts and racers who were motivated to build a better product than what was available to them. SPEC Clutch assembled a team of experienced engineers, clutch builders, machinists, and other petrolheads to build the brand, which began producing clutches all day in a 5,000 square foot building. Using their expertise, they were able to create a clutch system that is not only easy to use on the street but also can perform on the track.
Their clutches are considered some of the best ones available in the market and has exceeded the expectation of many enthusiasts everywhere. Due to the increasing demand for their products, the company has expanded its operation and now resides in a purpose-built 30,000 square-foot state-of-the-art facility, where they design, test, and manufacture all of their products in-house. It allows them to maintain their high level standard and enables them to control the manufacturing of their parts. This means that all clutches, flywheels, and pressure plates are designed under the same roof and optimized to work together to deliver the best results possible.
SPEC Clutch has since become an industry-leading company renowned for its high-performance clutches and flywheels available for nearly every vehicle and application out there. SPEC uses only the most advanced fabrication processes under the strictest tolerances. It offers thousands of applications, seven stages of performance kits, and up to eight stages of multidisc, stock appearing, and billet lightweight clutches. This company provides the only flywheels on the market manufactured to a .001 machine tolerance to provide ideal rotational integrity in even the toughest of conditions.
SPEC Clutch has become a mainstay in a variety of motorsports and employs a certain number of racers at hand to ensure its products work. SPEC Clutch also takes the time to engage in a number of different racing programs in order to continue researching and developing its components and systems in real-life competitions. After all, the ultimate test is seeing if the product does its job out there in the real world.
SPEC Clutch, first and foremost, is an American company that fabricates all of its products right here in the USA, so its materials, manufacturing methods, and end result can be trusted. SPEC Clutch considers its main priority to be creating the perfect marriage of clamp load, friction, diameter, and rotating mass to yield a quality operating clutch that stands up to the challenge . SPEC Clutch designed seven stages of single-disc clutches and up to eight stages of multi-disc clutches using the most advanced friction materials available; so, you can rest assured that they are definitely ready for the task ahead.
Whether it’s for a road course, drift track, or drag strip, racers trust SPEC Clutch for its extreme holding power, reliability, and strong grip. Every SPEC Clutch and flywheel is manufactured and developed for specific driving environments . SPEC Clutch features clutch kits from street kit Stage 1,2, 2+, 3, and 3+ to race kits Stage 4 and 5. And now the SPEC Super Twin has torque ratings of over 1,500pound-feet! All SPEC Clutch kits and flywheels have been SFI approved.
If you are looking to equip your ride with SPEC Clutch flywheels or clutch kits, then you’ve come to the right place. We have an extensive inventory of SPEC Clutch products for nearly every application and vehicle. Can’t find what you’re looking for above? Call our expert parts team today at (480) 966-3040 and we will get you on the path to a new SPEC Clutch or flywheel right away!
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