700R4 4L60 2004R TRANSMISSION Reverse Boost Valve & Sleeve Sonnax K77898

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4L60 700R4 2004R Sonnax Reverse Boost Valve .283" for GM vehicles

Kit Includes:

1 Boost Valve
1 Boost Sleeve
2 O-Rings

Description:

Vehicles with a 4L60 transmission often have problems with poor reverse boost or upshifts in manual low. These are generally caused by a worn reverse boost valve sleeve or wear at the pump body. Due to the differences in the thermal expansion rate of steel and aluminum when the transmission approaches operating temperature, the sleeve has been allowed excessive clearance and scrubs the bore.

Features:

Sleeve and valve are made from hardened steel for increased wear resistance
O-rings added to the boost sleeve seal the reverse boost circuit and prevent leakage from the pump body bore
Sleeve lands have been lengthened to add better sealing and stabilizing capabilities to prevent bore wear
The reverse boost valve spool lands have been lengthened to aid in maintaining hydraulic integrity

We build all our torque converters.

We will build to your vehicles specifications.

APPLICATIONS

Cadillac

Fleetwood 1990-1992 4Speed RWD

Chevrolet

Astro 1985-1990

Astro 1989-1990 4speed 4x4

Blazer 1982-1986 4speed 4x4

Blazer 1983-1984 4speed 4x4

Blazer 1985-1986 4speed 4x4

Blazer 1987-1990 4speed 4x4

Blazer 1990-up 4speed 4x4

Blazer 1982 4speed RWD

Camaro 1983-1986 4speed RWD

Camaro 1983-1988 4speed RWD

Camaro 1983-1992 4speed RWD

Camaro 1987-1992 4speed RWD

Caprice 1982 4speed RWD

Caprice 1982-1989 4speed RWD

Caprice 1984-1990 4speed RWD

Caprice 1988-1989 4speed RWD

Caprice 1990 4speed RWD

Caprice 1988-1989 4speed RWD

Corvette 1982-1993

Monte Carlo 1984

Monte Carlo 1985-1987

Monte Carlo 1988

Suburban 1/2 Ton 1990-1991 2WD

Suburban 1/2 Ton 1990-1992 4WD

Truck 1982-1992 4Speed 4x2

Truck 1982 4Speed 4x4

Truck 1982-1992 4Speed 4x4

Van 1983-1990 4Speed

Jimmy 1982 4Speed 4x4

Jimmy 1982-1990 4Speed 4x4

Jimmy 1985-1986 4Speed 4x4

Jimmy 1985-1990 4Speed 4x4

Jimmy 1991-1993 4Speed 4x4

Jimmy 1982 4Speed RWD

S15 1983-1988 4Speed 4x4

S15 1989-1990 4Speed 4x4

S15 1990-1991 4Speed 4x4

S15 1991 4Speed 4x4

S15 1983-1984 4Speed RWD

S15 1983-1990 4Speed RWD

S15 1985-1991 4Speed RWD

S15 1988-1990 4Speed RWD

S15 1990-1991 4Speed RWD

Safari 1985-1990

Safari 1991-1993

Sonoma 1991

Suburban 1992

Oldsmobile

Bravada 1991-1992

Custom Cruiser 1991-1992

Pontiac

Firebird 1983-1985 4Speed RWD

Firebird 1983-1988 4Speed RWD