For THM350 Boost Valve Kit by Sonnax 35754-01K

Manufacturer Part Number: 35754-01KOther Part Number: S44741RKBrand: SONNAX 350, 350C Boost Valve KitPart No. 35754-01K  In GM 350 and 350C units, the OE boost valve sleeve wears out from the reciprocation of the steel valve within the aluminum sleeve. Wear in the Reverse boost sleeve results in low line pressure, soft 1-2 and 2-3 shifts and/or Reverse engagement or shudder. Sonnax high performance boost valve kit 35754-01K incorporates a larger boost ratio, which increases line pressure and provides firmer shifts. It is also recommended for street/strip performance vehicles. Redesigned sleeve prevents sticking Larger boost ratio No machining required Contents Boost Sleeve Reverse & Modulator Boost Valve Intermediate Boost Valve