G Force Performance Products GF-EJ-BBC-DIY Swap Block Mock-Up Engine Block, Big

Swap Block Mock-Up Engine Block, Big Block Chevy, Accurate & Rigid Representation of Actual Engine Block, Durable Steel Construction, Unique Tab-and-Slot Design, Resists Welding Heat, Includes Hardware|G Force Performance Products GF-EJ-BBC-DIY Swap Block Mock-Up Engine Block, Big Block Chevy.