One of the most important aspects to rebuilding a 455 is to
correctly set up the clearance on the oil pump gears.
Although this is not an exceptionally hard job, if you do not
feel comfortable in doing so AM&P offers this service.
1 - Disassemble and remove bypass from oil filter housing.
2 - Thoroughly clean and inspect cover, oil filter housing
evaluate if suitable for rebuild.
3 - Chase all threads and repair as necessary.
4 - Machine oil filter housing and clean.
5 - Reinstall bypass
6 - Assemble with new AM&P blue printed gears
(clearance set to .002 -.003)
Parts & labor $200.00
Please note that there are extra charges for repairing bolt holes
High Performance Rebuild
Same as above with the exceptions of modified oil passages in
timing cover and oil filter housing.
Also includes new AM&P booster plate
Parts & labor $295.00
Please note that there are extra charges
for repairing bolt holes