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4R100 Line Pressure Booster Kit


Mfg Retail: $36.34
Cost From Us: $31.88
You Save: $4.46
In Stock
Our Part #: S-4R100-LB1
Manufacturer: Sonnax
Mfg Part # : 4R100-LB1
free shipping
4R100 Line Pressure Booster Kit
Boosts Line Pressure Firming Up Shift Points & Extending Transmission Life

This Fits All 4R100 Automatic Transmission Applications

Sonnax hydraulic line pressure booster kits contain stronger pressure regulator springs.
These springs in combination with Sonnax's Large Ratio Boost Valve allows for Progressive pressure increase.
These Gradual pressure increases allow for soft shifts in the low RPM range
as well as short shifts in high RPM, Performance Demanding Situations.

Sonnax springs are 10% Thicker than Factory springs.
Incresed Line pressure allows for dramatically more holding strength for bands and clutch packs.

This is a simple and affordable drop-in solution with no special tools or reaming required.

In This Kit You Will Recieve

Large Ratio Boost Assembly
Pressure Regulator Spring
O-Rings (2)

Our Part #       S-4R100-LB1
Sonnax Part #  4R100-LB1


We would appreciate the opportunity to serve your transmission parts needs ! ! !

Cascade Transmission Parts , Inc.
All Rights Reserved ®


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