Optimize your transmission control with precise manual valve body reprogramming. This Hughes kit, measuring 39 cm by 28 cm, delivers exact adjustment capabilities for C4 transmissions from 1970 to 1981. Enhance shifting performance and reliability—read on to discover how.

Optimize transmission performance with the Hughes TH400 Billet Aluminum Valve Body, engineered to ensure precise reverse shift patterns and engine braking control. Crafted from durable billet aluminum, it weighs 3.75 kg and measures 31 x 30 x 18 cm, delivering robust reliability for demanding driveline applications. Discover how it enhances your vehicle's shifting response and durability in the full description.

Optimize your vehicle's shifting control with the TCI TH700 R4 Full Manual Valve Body featuring a reverse shift pattern. Its compact dimensions—12.7 cm length and 36.8 cm width—ensure precise fitment for enhanced transmission performance. Discover how this valve body transforms manual control in your automatic transmission system.