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FTI Performance intermediate sprags are available in 34 element or 36 element pro-mod (only fits aluminum pro-mod drum) versions. With FTI Performance intermediate sprags—it's not cheating, it's the competitive edge! Order the model designed for your TH400 application.
( 1 )
$63.50
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$129.00
TCI high-performance intermediate sprags feature more elements than stock, to provide better holding power. They are available for a variety of applications to suit your needs.
( 2 )
$127.95
These sprags and roller clutch kits from TCI are all-new OEM assemblies. Replacing the forward sprag assembly and low-reverse roller clutch is a must when building a high performance 700R4/4L60E. These forward sprags are 29-element, which makes them ideal upgrades for earlier 700R4 transmissions that were built with weaker sprags from the factory.
( 3 )
$47.95
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$106.95
In an automatic transmission the sprag also called a one-way, or roller clutch is a mechanical clutch designed to lock up or stop a drum from rotating when a clutch is applied during an up shift. The torque load they are required to hold is usually a lot, even with stock engines. As horsepower and torque go up the demand on these sprags does too, which can lead to failures. By adding extra rollers or elements and hardened steel outer races you can increase the torque carrying capacity and durability of your transmission. Summit Racing™ Automatic Transmission Sprags and Races offer many different options, select the right one for your transmission.
( 1 )
$86.99
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$99.99
Sprags--or one-way clutches--are extremely important in GM TH350 and TH400 transmissions because they carry an up-shifting torque load. Prevent transmission failure with sprags and races from ATI Performance Products and compete with increased confidence.
( 5 )
$21.41
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$79.99
Summit Bucks
In some transmissions, the low/reverse sprag elements, end caps, and retainer plates are prone to wear, while the race is often unaffected, resulting in a bind-up going into 2nd gear or a 1-2 flare. Sonnax low/reverse sprag rebuild kits allow replacement of the caps, elements, and retainer plate without the expense of buying a full sprag assembly. Select the kit designed for your transmission. Contents: * Sprag clutch element without race * End caps (2) * Retainer plate * Snap ring
Not Yet Reviewed
$65.32
TCI high performance heat-treated sprag races are special intermediate outer roller clutch races that help to prevent sprag failures. TCI high performance heat-treated sprag races directly replace the stock outer races to improve the strength of your transmission.
Not Yet Reviewed
$144.95
BD Diesel heavy-duty one-way sprag clutches will replace the weak and failure-prone model from the factory. These transmission sprags feature a cam and roller design one-way clutch to support the power. Order the part recommended for your application.
Not Yet Reviewed
$376.95
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