SPEC Clutch Kit Stage 4 For Use with SPEC Specific Flywheel Focus ST 2013-2014

SPEC Clutch: SF334-4
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$508.99
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SPEC Clutch Kit Stage 4 For Use with SPEC Specific Flywheel Focus ST 2013-2014

Product Description

SPEC Stage 4 Clutch Kit for 2013-2014 Focus STs with SPEC Specific Flywheel.

SPEC's Stage 4 Clutch Kit is similar to the Stage 3 Kit but with a solid hub clutch disc. Solid or unsprung hubs don't absorb vibrations and harshness like sprung hubs do. The rigid hub can be driven on the street but it is not very street friendly and is best used for drag racing, road racing and rally racing. Like the Stage 3 Kit, the Stage 4 Kit has a torque capacity of 580. Once paired with SPEC's lightweight aluminum flywheel, your Focus ST will see quicker revs due to the decrease in rotational mass. The non-SAC clutch kit can obtain greater clamping force than the stock dual mass clutch.

This clutch kit features a non-SAC (Self-Adjusting Clutch) mechanism pressure plate unlike the stock style clutch found on the 2013-2014 Focus STs. Deviating from the original design provides a lighter rotating assembly, higher RPM capability and greater clamp load levels. The kit must be used with SPEC's specific flywheel for this application which features a lightweight, low MOI design and infinite rebuildability. Non-SAC clutch kits offer higher torque capacity than SPEC stock replacement clutch kits of equal level.

Features a puck style clutch disc with carbon-graphite friction material. Puck clutches make for an aggressive engagement which becomes even more aggressive with the solid hub. Since there are no springs to absorb vibration, the harshness is absorbed by the drivetrain which is hard on the transmission. The high torque unsprung hub will create clutch chatter and should be used in race applications. The solid 8-rivet hub and assembly is heat treated for strength and durability. A bearing and tool kit is included.

SPEC clutches and flywheels are manufactured on-site using the most advanced methods under the strictest tolerances. SPEC's commitment to making the very finest parts is at the core of what they stand for as a company. Many race teams depend on SPEC parts to help them beat the competition. Whether you're building a street car or a competition vehicle, SPEC offers driveline parts that fit your needs.

*This clutch kit will NOT work with the stock flywheel. The pressure plate in this clutch kit differs from the original Focus ST clutch design and must be used with SPEC flywheel SF33A4.
 

Mustang Applications

This product will fit the following Ford Mustang years:

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