Ai 21A314H Module Electronic Ignition For Case-Ih Tractor

For 6 Cyl. Models W/ 12 Volt Negative Ground Systems Or 6 Volt Systems Converted To 12 Volt Negative Ground Systems Only. Dim A (1): Never Change Points Again. Dim B (2): Easy Installation No Complicated Wiring Fits Entirely Inside Distributor. Dim C (3): Increases Spark Plug Life Horsepower Improves Fuel Economy. Dim D (4): Precision Engineered Solid State Electronics. Dim E (5): For Ih Distributor Part #'S: 398157R91 393396R91 399596R91 399597R91; Case-Ih Tractor Hydro 70 (W/ Distributor Housing# 368051R11) Hydro 86 (W/ Distributor Housing# 368051R11) 460 (W/ Distributor Housing# 368051R11) 560 (W/ Distributor Housing# 368051R11) 656 (W/ Distributor Housing# 368051R11) 660 (W/ Distributor Housing# 368051R11) 666 (W/ Distributor Housing# 368051R11) 686 (W/ Distributor Housing# 368051R11) 706 (W/ Distributor Housing# 368051R11) 756 (W/ Distributor Housing# 368051R11) 766 (W/ Distributor Housing# 368051R11) 806 (W/ Distributor Housing# 368051R11) 826 (W/ Distributor Housing# 368051R11) 856 (W/ Distributor Housing# 368051R11)