THE "FACTORY" VALVE GUIDES WERE MODIFIED
DURNING THE 1989 MODEL YEAR & WILL LAST MUCH LONGER THAN ORIGINALS. MAKE SURE TO HAVE A QUALITY MACHINE SHOP DO THE WORK AS ALL M.B.
ENGINES REQUIRE A THREE(3) ANGLE VALVE JOB.
THIS ENGINE USES "STRETCH BOLTS TO SECURE THE CYLINDER HEAD, MAKE SURE TO INSPECT THEM
AND REPLACE AS NEEDED.