Swap Block Mock Up Gen I SBC Engine Block GF-EJ-SBC-DIY bellhousings Keep the check engine light

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

4 V8 1968 - 1973 GMC C35/C3500 Pickup 307/5 V8 1969 - 1974 GMC C35/C3500 Pickup 350/5

5L | 10-05 Jetta 2

8L V8 2007 Chevrolet Silverado 2500 HD Classic 364/6L V8 2014 - 2015 Chevrolet Silverado 1500 376/6

Swap Block Mock Up Gen I SBC Engine Block GF-EJ-SBC-DIY bellhousings Keep the check engine lightThe 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