I HAVE A 97 GMC/ISUZU 4BD2TC 235 CI ENGINE TO REBUILD AND NEED SOURCE ON AFTERMARKET KITS. THIS ENGINE LOST PART OF INTAKE VALVE IN #1 CYL. AND ALL PISTONS HAVE A HAIRLINE CRACK ACROSS THEM. IT WAS A GREAT RUNNING ENGINE WITH NO OILBURNING. APPRECIATE ANY HELP... Login to read more.