TH400 4L80E Forward and Direct 14 Tooth Kolene Steels Number 031701BK

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Description

TH400 4L80E Forward and Direct 14 Tooth Kolene Steels Number 031701BK (1)


TRANSMISSION: TH400 4L80E
PRODUCT TYPE: Kolene Steel Plate (OAT .060″)
TH400 1964-95
4L80E 1990-On
Forward and Direct .060″ Kolene Steel Plates (Forward and Direct Drums have 14 Splines)

Early Numbers ———————————————– Late Numbers
# 031701A Steel 12 Teeth ——————————– # 031701B Steel 14 Teeth
# 031701AK Kolene Steel 12 Teeth ——————- # 031701BK Kolene Steel 14 Teeth
# 031701APS Performance Steel 12 Teeth ——— # 031701BPS Performance Steel 14 Teeth
# 031701AXPS Anti-Drag Perf Steel 12 Teeth —– # 031701BXPS Anti-Drag Perf Steel 14 Teeth

The early Alto numbers are the late OE design with 8 full teeth and 4 partial teeth, this was done in
an effort to reduce cost and material. When used with the stock production engine, it will perform
without any problems. When used with hi-performance engines there is a chance for diminished
performance.

The late Alto numbers have a set of 14 full teeth like the early OE design which will enable the
steel plates to handle the increased horsepower and torque produced by hi-performance engines.

Note: This update will affect Modules and Power Packs that include these steel plates


 

Additional information

Weight 6 lbs
Dimensions 9 × 9 × 5 in