✨ New Arrivals Just Dropped!Explore
HomeStore

GM 4L60E / 4L65E Boost Valve & Sleeve Kit

Product image 1
1 / 2

GM 4L60E / 4L65E Boost Valve & Sleeve Kit

Sonnax boost valve kit 77898E-K is a increased ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-design pumps. OEM RATIO .490' (O-RING STYLE) 1 ID GROOVE ON END (LATE 4L60E,4L65E & 4L70E WILL NOT FUNCTION PROPERLY IF WRONG VALVE IS INSTALLED)
$11.54

Original: $32.96

-65%
GM 4L60E / 4L65E Boost Valve & Sleeve Kit—

$32.96

$11.54

Product Information

Shipping & Returns

Description

Sonnax boost valve kit 77898E-K is a increased ratio assembly that will restore hydraulic integrity and prevent leakage in units with early-design pumps. OEM RATIO .490' (O-RING STYLE) 1 ID GROOVE ON END (LATE 4L60E,4L65E & 4L70E WILL NOT FUNCTION PROPERLY IF WRONG VALVE IS INSTALLED)

You may also like

NEW
Thumbnail 1

GM 4L60E / 4L60 / 4L65E Check Valve

$17.51

-65%NEW
Thumbnail 1

GM 4L60 / 4L60E / 4L65E 4th Gear 'Super Hold' Servo

$97.85

$34.25

-65%NEW
Thumbnail 1Thumbnail 2

GM 4L60E / 4L65E Actuator Feed Limit Valve Kit

$43.26

$15.14

-65%NEW
Thumbnail 1Thumbnail 2

GM 4L80E 1-2 & 3-4 Shift Valve Spring

$7.21

$2.52

-65%NEW
Thumbnail 1

GM 4L60E / 4L60 / 200-4R Accumulator Valve Train Assembly

$56.65

$19.83

-65%NEW
Thumbnail 1Thumbnail 2

GM 4L80E Boost Valve & Sleeve Kit

$29.87

$10.45

NEW
Thumbnail 1

GM 4L60E / 4L65E Boost Valve & Sleeve Kit

$50.47

-65%NEW
Thumbnail 1

GM 4L60E / 4L65E "Factory" Style Boost Valve Kit OEM

$51.50

$18.02

-65%NEW
Thumbnail 1

GM 4L60E / 4L60 / 200-4R Accumulator Valve Train Assembly (Heavy Vehicles)

$51.50

$18.02

NEW
Thumbnail 1

GM 4L60E / 4L60 / 4L65E 3-4 Accumulator Sleeve Kit

$38.11

-65%NEW
Thumbnail 1

Sonnax Forward Clutch Hub – GM TH400 / 4L80-E

$134.22

$46.98