This high-quality, high performance pressure regulator spring 77917-10 from Sonnax fits GM 4L60-E, 4L65-E and 4L70-E transmissions. The spring increases line pressure by approximately 13%, improving transmission performance in both standard and high performance applications.

Increases line pressure by approximately 13%
Produces firmer engagements/upshifts without creating harshness or clunky downshifts
Improves transmission performance in both standard and high performance applications

More From This Category

Sonnax RFE Transducer Connector, Chrysler, 45/545/65/66/68RFE, Each

Sonnax RFE Transducer Connector, Chrysler, 45/545/65/66/68RFE, Each

$57.70

Motive Gear Differential Bearing Kit, Koyo, For CHEVROLET K20 1977–1986, Kit

Motive Gear Differential Bearing Kit, Koyo, For CHEVROLET K20 1977–1986, Kit

$134.49

Sonnax 10-Clutch Drum Kit, GM, Powerglide, Each

Sonnax 10-Clutch Drum Kit, GM, Powerglide, Each

$784.82

Sonnax Reverse Servo Spacer Kit, GM 4L80-E, 4L85-E, Each

Sonnax Reverse Servo Spacer Kit, GM 4L80-E, 4L85-E, Each

$27.08

TCI Shift Lever, with 5.0 Ratio, Steel, Zinc Plated, Mopar Torqueflite 727/904, Each

TCI Shift Lever, with 5.0 Ratio, Steel, Zinc Plated, Mopar Torqueflite 727/904, Each

$102.91