Swap Block Mock Up Gen I SBC Engine Block GF-EJ-SBC-DIY bellhousings 3L/L4 1991 - 1994 Mercury

3L/L4 1991 - 1994 Mercury Capri 1

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52271

8 L6 1975 - 1980 Chevrolet K20 400/6

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Swap Block Mock Up Gen I SBC Engine Block GF-EJ-SBC-DIY bellhousings 3L/L4 1991 - 1994 MercuryThe ORIGINAL Lightweight Steel SBC Swap Block?? Engine: GEN I SBC; 4. 3L, 4. 4L, 4. 6L, 5. 0L, 5. 4L, 5. 7L, 6. 6L, 265, 267, 283, 302, 305, 327, 350, 400 Years: 1955 1991 Our patent pending Swap Block uses our unique tab and slot design to provide accurate mounting positions of engine accessories and bolt ons. This distinctive design is lightweight and comes disassembled for ease of shipping and storage. Precision formed returns on all weight bearing