Sonnax oversized servo pin kit 77787-03K is for use in reconditioned GM 4L60, 4L60-E, 4L65-E and 4L70-E case bores. Matching the longest OE pin length, this chromoly steel servo pin is durable enough for high performance applications as well as stock replacement.

Included stiffer 4th apply spring eliminates unwanted band drag in 3rd Gear
Added O-ring improves sealing between the pin and 2nd Gear servo
Servo pin is fully compatible with OE and aftermarket servos

More From This Category

Sonnax Supported Servo Pin & Cover Kit, GM, Powerglide, Each

Sonnax Supported Servo Pin & Cover Kit, GM, Powerglide, Each

$184.61

Sonnax Impeller Hub, GM, Comp GM-Rk-685, 688 & Wc, Each

Sonnax Impeller Hub, GM, Comp GM-Rk-685, 688 & Wc, Each

$105.02

Sonnax Thrust Bearing, GM 6T40/6T45, Each

Sonnax Thrust Bearing, GM 6T40/6T45, Each

$25.46

Sonnax Bore Sizing Tool, GM, For 154740-11K, Each

Sonnax Bore Sizing Tool, GM, For 154740-11K, Each

$400.49

Sonnax Flange Yoke, 1480 Series, Each

Sonnax Flange Yoke, 1480 Series, Each

$249.69

Sonnax Impeller Hub, Ford 6F35, Early, Each

Sonnax Impeller Hub, Ford 6F35, Early, Each

$35.55