The M20111-A Headbolt Hole Repair Fixture is a precision alignment tool engineered for restoring damaged or misaligned headbolt holes in Cummins NT / NH / N14 engines, including both Big Cam and Small Cam variations. Also will do Detroit Diesel 60 Series
Key Features & Benefits
-
Specifically built for Cummins NT, NH, Big Cam, Small Cam, N14 headbolt repair
Also will do Detroit Diesel 60 Series with included install nut (Use with headbolt)
-
Dual-hole fixture supports accurate tap and ream alignment Allows use on other engine series by adding adapter kits (eg M20111-70)
-
Maintains bolt axis, preventing misalignment or head gasket issues
-
Durable construction for repeated shop use
-
Ideal for heavy duty engine rebuilders, remanufacturers, and service shops
Typical Use Cases
Use the M20111-A in scenarios such as:
-
Repairing stripped or cross-threaded headbolt holes
-
Rebuilding NT / NH / N14 engine blocks during overhauls
Rebuilding Detroit Diesel 60 Series
