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 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.

Enhance your TH350 transmission's shift precision with the STREETFIGHTER VALVE BODY, engineered for reliable GM automatic shifting performance. Its compact dimensions (12.7 cm length) ensure seamless integration while weighing 6.82 kg for robust durability. Discover how this valve body elevates driveline responsiveness.

Optimize your TH350 transmission's performance with a precisely engineered valve body that ensures smooth, responsive shifting. At 6.82 kg and measuring 36.8 cm wide, this full manual valve body from TCI delivers reliable durability and exact fitment for enhanced driveline control. Explore how this component upgrades your transmission system below.

Ensure precise control and improved transmission performance with the TCI TH350 Manual Valve Body Forward Pattern. Designed to fit within compact dimensions of 12.7 cm length and weighing 6.73 kg, it delivers reliable durability and exact fitment for your transmission system. Discover how this expertly engineered valve body enhances shifting accuracy and longevity.