Sonnax TCC Zip Kit 8L45-8L90-TCC-ZIP targets the root cause of multiple converter-related complaints by sealing the critical circuit pressure losses in the GM 8L45 and 8L90 valve body. The kit contains uniquely designed parts to prevent the loss of pressures within the lube, converter limit, line pressure and converter apply circuits. These solutions target wear that results in lube-, cooler- and converter-related complaints. No special tools are required for installing these parts.
The Zip Kit quick guide provides clear and easy instructions on one sheet to get the unit sealed up and back on the road fast. In addition to general rebuilding tips and technical information, the technical booklet included in this kit contains vacuum testing information and locations at other key areas of the valve body.

Drop-in Zip Valve™ parts install quickly and easily, no reaming or special tools required
Uniquely designed parts address root causes of converter and lube related complaints by sealing critical pressure circuits
Detailed technical booklet included with in-depth rebuild and inspection tips for comprehensive valve body repair

Learn More About Zip Valve™ Drop-In Repairs

More From This Category

Dakota Digital Gauge Kit, 1965 For Ford Galaxie, Analog, Silver Background, Alloy Style Face, White Display

Dakota Digital Gauge Kit, 1965 For Ford Galaxie, Analog, Silver Background, Alloy Style Face, White Display

$2,074.80

DBA Front Street Series XGold Brake Rotor, 345mm, For Mercedes-Benz M Class 01-05, Kit

DBA Front Street Series XGold Brake Rotor, 345mm, For Mercedes-Benz M Class 01-05, Kit

$297.60

MANLEY Valve, Race Flo, Intake, 2.08 in. Head Dia, 0.3415 in. Stem Dia, 5.14 in. Length, SBC, Each

MANLEY Valve, Race Flo, Intake, 2.08 in. Head Dia, 0.3415 in. Stem Dia, 5.14 in. Length, SBC, Each

$47.58

Classic Instruments Gauge, White Hot 2 1/8" Oil Pressure Full Sweep

Classic Instruments Gauge, White Hot 2 1/8" Oil Pressure Full Sweep

$473.89

COMP Cams Camshaft, Xtreme Energy, Hydraulic Flat, Advertised Duration 284/296, Lift .574/.578, For Chevrolet Big Block 396-454, Each

COMP Cams Camshaft, Xtreme Energy, Hydraulic Flat, Advertised Duration 284/296, Lift .574/.578, For Chevrolet Big Block 396-454, Each

$525.37