Sonnax Boost Valve Kit

Product Desc: Sonnax Parts
Part No: -- 77898E-14K
Transmissions: -- 4L60E 4L65E 4L70E
Package and Weight
Package Quantity: -- 1 ea
Base Price:
$56.80
Product Description
Part Information
Replaces late pump design, 1.809" length (short) sleeve, standard OE ratio assemblies.
Helps cure: 3-4 Clutch failure 2-4 Band failure - Low line rise - Poor shift quality.
Part Contents
  1. Valve 3 Groove:
  2. Sleeve:
  3. O-Rings (3) 1 Extra:
Customer Service - About Us
1-800-762-9846 USA -- 334-577-4400 Outside USA