700R4 External Lock-Up Kit - With 4th Gear Pressure Port

• External Lock-Up Control – Allows manual or automatic torque converter lock-up.
• Improves Fuel Efficiency – Reduces engine RPMs at highway speeds for better mileage.
• *Lock-up switch housing sold separate.
• Complete installation instructions are included.
• For units without a 4th gear pressure port, Use Kit: 60270406

This kit will enable the driver to control the operation of the torque converter Lock-up. The switch will allow driver to turn the lock-up function off during in-town driving and on during high speed/highway driving. When switch is on the transmission will not engage into lock-up until transmission is in 4th gear. Transmission will automatically disengage lock-up switch when it down shifts to 3rd gear and re-engage when transmission shifts back to 4th gear. This kit is an external wired kit, no need to drop pan for installation.