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4L80E STEEL BILLET OVERDRIVE PLANETARY CARRIER
4L80ECC/BOC

This one of a kind billet planetary carrier completely eliminates spline stripping and carrier failure at the input shaft interface. Utilizes 91-96 large overdrive roller clutch. This kit includes "planetary carrier without gears". NOTE: This carrier can also be used to retro fit 1997 and up 4L80E transmissions if you have an early OEM overrun clutch housing.bIf not, order part # 4L80ECC/BOC-C which includes the complete overdrive assembly.

 

Each
$689.00
In Stock
D123 AUTO SHIFT TRANSBRAKE VALVE BODY-EARLY
4L8VB/ASTB-E

This is the one and only fluid release auto shift transbrake for the 4L80E transmission. Deep pan not required. Transmission brake can be applied in the D3 range and will shift automatically, or can be placed in the D1 range giving the driver full control over the wide open throttle shift points. Redesigned oil circuitry provides super positive gear changes, increased torque capacity and instant transmission brake release for the ultimate in efficiency, performance, and durability. Includes complete valve body with new internal wiring harness, all new solenoids, and new pressure manifold. Fits 1991 thru 1995 models.

Each
$689.00
Pre Order
D123 AUTO SHIFT TRANSBRAKE VALVE BODY-LATE
4L8VB/ASTB-L

This is the one and only fluid release auto shift transbrake for the 4L80E transmission. Deep pan not required. Transmission brake can be applied in the D3 range and will shift automatically, or can be placed in the D1 range giving the driver full control over the wide open throttle shift points. Redesigned oil circuitry provides super positive gear changes, increased torque capacity and instant transmission brake release for the ultimate in efficiency, performance, and durability. Includes complete valve body with new internal wiring harness, all new solenoids, and new pressure manifold. Fits 1996 and up models.

Each
$689.00
Pre Order
SUPER COMP BILLET ALUMINUM DIRECT DRUM WITH 36 ELEMENT SPRAG -
4L80ECC/SCDD-A
This custom drum assembly is fitted with oversize tool steel inner  and outer sprag races, an oversize 36 element sprag assembly, and a custom sprag retaining plate and spiral lock ring. Modified inner race distributes lube oil to the sprag assembly more efficiently. This drum uses factory OEM clutches and steels. This drum has been tested behind engines producing over 2000 horsepower/1800 foot pounds torque. 
Each
$789.00
In Stock