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The G-Force GSR is absolutely the end of the line in terms of absolute strength and performance from a 4 speed racing transmission. With its single rail and internally shifted design no other transmission offers the GSR’s uniqueness and versatility. Like the GF4A, the GSR offers both a dual bearing center support and an integrated midplate. Similarly, the GSR offers an internal oil pump of its own that is very similar to the GF4A’s, but unique to the GSR nonetheless. However, an additional feature found on the GSR is its internal shifting mechanism. The GSR incorporates the shifting mechanism directly into the top plate of the transmission. This allows the shifter to be placed directly in the center of the transmission. This innovative feature is crucial when moving the driving position more towards the center of the car.

The internal shifting mechanism found in the GSR has been proven to greatly increase the driver’s ability to accurately and precisely find the correct gear when shifting. The unique internal shifting design of the GSR combined with its revolutionary Long shifter allows the driver to make lightning quick shifts without worrying about accidentally getting the transmission “hung” between two gears. This improves the driver’s focus and ultimately his or her overall performance.

Like the GF4A, the GSR has a traditional 32 spline output and can be had with either 26 or 29 spline input shafts. Both the case and tailhousing are cast of high-quality magnesium for the ultimate in weight savings and both feature internal and external cast reinforcements. All cases and tailhousings are coated for surface protection and ease of cleaning. Gear ratios are interchangeable and the ease of maintenance on a GSR is second to none. To complement this, the GSR also incorporates an inspection cover on the top of the transmission to allow for quick inspections of the internal parts. All G-Force GSR transmissions come with a Long Shifter of proprietary design. These Long Shifters are the only suitable shifter for the GSR transmission.

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