Sonnax
PowerGlide Sonnax Smart-Tech Ratio Style Servo Kit 28821-10K
PowerGlide Sonnax Smart-Tech Ratio Style Servo Kit 28821-10K
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$209.92 USD
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PowerglideSmart-Tech® Ratio-Style Servo KitPart No. 28821-10K
The OE Powerglide servo design is inherently
flawed. Its spring-powered design suffers from an improper apply/release ratio
that is responsible for otherwise unexplained band failures, input shaft
failures and staging issues. Now known as the pin bias effect, the resulting
burnt bands, broken parts and inconsistent operation have plagued the
Powerglide for years, leading many to give up on this transmission and seek
other options.
Sonnax Smart-Tech® ratio-style servo
kit 28821-10K is a revolutionary part that conquers the pin bias effect once
and for all, making this the ultimate choice for running Powerglides in ever
more extreme applications. The unique design has the same apply area as the OE
Powerglide servo, but increased release area so the servo is hydraulically
released like other modern servos such as the C-4, C-6 and 4L60.
All-in-one kit
makes it easy to install a state-of-the-art servo system
Supported servo
design eliminates piston binding
Significantly
lighter spring prevents staging issues and backing up when trans brake is
applied
Prevents input
shaft failure due to tie-up on shift
Allows greater
tuning of high clutch apply to prevent tire spin and pedaling after the
shift
Delivers more
total net apply force than any stock-sized servo
Eliminates need
to calibrate servo return spring to line pressure or varying case depth
Improved sealing
throughout reduces fluid loss and is optimized for low friction movement
Low-profile
design ensures adequate clearance
6061 Anodized
billet aluminum cover
Contents
Servo Assembly
Cover Gasket
Case-to-Cover
O-Ring
Servo Pin Seals
(2) PTFE, 1 Extra
Primary Piston
Seals (2) PTFE
Return Spring
Cover Bolts (3)
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