<page_title> LS based GM small-block engine </page_title> <section_title> Engine table </section_title> <table> <cell> LR4 (V) <col_header> Engine Code (vin code) </col_header> </cell> <cell> 3.78 <col_header> Bore (in) </col_header> </cell> </table>
The LS based GM small-block engine´s LR4 has bore of 3.78 in.