Delco Distributor Terminal Insulator (Square Shoulder)
Item #: ABC500-ASpecifications: Final Application: Fits: B, IB, C, CA, D10, D12, D14, D15, D17, D19, RC, WC, WF, WD, WD45 Replacement Number: 271444 Notes: Fits distributor housings w/ .300" dia. hole w/ keyway.