FordPartsNetwork.com is the lowest priced source for the plugs and wires. The plugs are the Motorcraft AGSP32PP double platinums for $3.99 each. The Motorcraft WR-4033 wires fit both the 3.0L and the 3.2L engines for $83.99. These wires are a little tight from the rear bank, but they will fit and they have the cylinder number printed along the wires. The WRE-4081 wires designated for the 3.2L are $127.99 from FordPartsNetwork.com.
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Scott
1991, 255K miles, glass hood, police grill, SVO shifter, Catz fogs,
K&N, 73mm MAF, Superchip, PP Y-pipe, Borla cat-back, 190 lph pump
Eibach/Tokico/poly, Alum front SFB, SS front/rear strut braces,
16x7.5" Moda R1, 225/55ZR16 Bridgestone RE730, -1 deg camber x 4,
6 disc CD, Class II hitch, Silver award at SHOklahoma Car Show