Parts list: № Number Qty Name Options 1 AA55350 4 Hose LGTH = 860 mm 2 AA55349 9 Hose LGTH = 2150 mm Next page: ST862826 Valve, Dual Section, Pneumatic Controlled Closing Wheel (770101 - ) ST1038598 Wiring Harness, Dual Rank and Row Cleaner, Performance Upgrade Kit ST833975 Row Cleaner Pneumatic Downforce Control Tubing, 23 / 24 Row 15" (765101 - ) ST767090 Pneumatic Downforce Spring, Shaft Drive, Regular Arm, End ST771796 Dual Rank Valve Assembly, Pneumatic Downforce System ( - 765100) ST849838 Control Valve, Closing Pneumatic Downforce ST833043 Row Cleaner Pneumatic Downforce Control Tubing, 31 / 32 Row 15" (765101 - ) ST1038594 Wiring Harness, Pneumatic Downforce Control, Two Valve Section, Performance Upgrade Kit ST1038838 Pneumatic Downforce Hoses, Long Arm, Performance Upgrade Kit