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Sonnax Boost Valve Kit 34200-10K

Product Description For Sonnax Parts
Product Part No: -- 34200-10K
Transmissions: -- 4L80E 4L85E
Package and Weight
Package Quantity: -- 1 ea
Sonnax:High Performance Part - Boost Valve Kit
Base Price:
$93.15
Product Description
Part Information:
With encapsulated relief valve.
  • Hardened steel boost valve has an encapsulated relief valve that will allow EPC pressure to exhaust if it exceeds 95-105 psi:
  • Boost valve with over 20% wider spools to provide better durability and increased sealing contact area:
  • Boost valve spools have annular grooves to reduce side-loading that causes wear:
  • Closely toleranced sleeve restores the hydraulic integrity between the valve and sleeve:
  • O-Rings have been added to the sleeve to provide a positive seal that compensates for pump bore wear:
Part Contents
  1. Valve:
  2. Sleeve:
  3. O-Rings (2):
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