Fits 383, 400, 413, 426 WEDGE, 440 R RB Chrysler / Mopar BB V8 Engines. BIG BLOCK MOPAR WATER PUMP / HOUSING BOLT KIT (HEX). (5) 3/8" x 1" Hex Head Bolts (semi-polished). If clean, affordable, hardened OEM style fasteners is what you are after, then look no further!
