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The casting number is located on the rear of the head, pressed up close to the firewall. Its impossible to see it with the head on the block in the engine bay. The best you can do is feel it with your fingers, and look for a grease imprint. Reach in from the driver's side.


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94 Trooper S, 3.2 SOHC, Auto, Aisin's, OME 912's, TBC, Indy 4x HD TRE, Tokico shocks, AR Outlaw II's 16x8, Bridgestone Revo's 265/75x16
89 Trooper S, 2.6, auto, work in progress