D&J Precision Machine is headquartered in the heart of Ohio and stands as a powerhouse in the Diesel Performance Industry. Their commitment to innovation and excellence is evident in their products. Their ingenuity is showcased in their products which are specific to the Cummins Platform.
D&J Precision Machine
2006+ Cummins Billet Valve Cover (DJPCNC100068)
Part Number: DJPCNC100068Regular priceFrom $931.99 CADUnit price
D&J Precision Machine
2003-2018 Cummins Billet Freeze Plug Kit (DJPCNC100092)
Part Number: DJPCNC100092Regular price $297.83 CADUnit price
D&J Precision Machine
2003-2018 Cummins Billet Timing Cover (DJPCNC100167)
Part Number: DJPCNC100167Regular price $708.38 CADUnit price
D&J Precision Machine
2003-2018 Cummins Billet Front Freeze Plug (DJPCNC100089)
Part Number: DJPCNC100089Regular price $80.48 CADUnit price
D&J Precision Machine
2003-2005 Cummins Billet Valve Cover (DJPCNC100071)
Part Number: DJPCNC100071Regular priceFrom $931.99 CADUnit price
D&J Precision Machine
Universal Cummins Oil Cap Cover (DJPCNC100030)
Part Number: DJPCNC100030Regular price $64.38 CADUnit price
D&J Precision Machine
2007.5 -2018 Cummins Head Gasket Kit (DJPGA100002)
Part Number: DJPGA100002Regular price $595.68 CADUnit price
D&J Precision Machine
2003-2023 Cummins Billet Rear Freeze Plug (DJPCNC100227)
Part Number: DJPCNC100227Regular price $128.78 CADUnit price
D&J Precision Machine
2007-2018 Cummins 6.7L Stage 1 Performance Cylinder Head w/ Fire Ring & Head Gasket (DJPCH100205)
Part Number: DJPCH100205Regular price $5,471.99 CADUnit price
D&J Precision Machine
2003-2007 Cummins 5.9L Stage 1 Performance Cylinder Head w/ Fire Ring & Head Gasket (DJPCH100202)
Part Number: DJPCH100202Regular price $5,471.99 CADUnit price
D&J Precision Machine
2019-2024 Cummins 6.7L Reman Cylinder Head (DJPCH100089)
Part Number: DJPCH100089Regular price $3,139.99 CADUnit price
D&J Precision Machine
2019-2024 Cummins 6.7L Stage 1 Performance Cylinder Head (DJPCH100103)
Part Number: DJPCH100103Regular price $4,478.99 CADUnit price
D&J Precision Machine
2006-2007 Cummins 5.9L Precision Plus Ready Run Engine (DJPLB100097)
Part Number: DJPLB100097Regular price $33,533.99 CADUnit price
D&J Precision Machine
2013-2018 Cummins 6.7L Precision Plus Ready Run Engine (DJPLB100094)
Part Number: DJPLB100094Regular price $33,533.99 CADUnit price
D&J Precision Machine
2007.5-2012 Cummins 6.7L Precision Plus Ready Run Engine (DJPLB100093)
Part Number: DJPLB100093Regular price $33,533.99 CADUnit price
D&J Precision Machine
2004.5-2005 Cummins 5.9L Precision Plus Ready Run Engine (DJPLB100092)
Part Number: DJPLB100092Regular price $33,533.99 CADUnit price
D&J Precision Machine
2019-2020 Cummins 6.7L Precision Plus Long Block (DJPLB100080)
Part Number: DJPLB100080Regular price $16,881.99 CADUnit price
D&J Precision Machine
2019-2020 Cummins 6.7L Street Performance Long Block (DJPLB100081)
Part Number: DJPLB100081Regular price $25,848.99 CADUnit price
D&J Precision Machine
2013-2018 Cummins 6.7L Essential Long Block (DJPLB100078)
Part Number: DJPLB100078Regular price $10,625.99 CADUnit price
D&J Precision Machine
2007.5-2012 Cummins 6.7L Essential Long Block (DJPLB100077)
Part Number: DJPLB100077Regular price $10,625.99 CADUnit price
D&J Precision Machine
2021-2024 Cummins 6.7L Heavy Hauler Long Block (DJPLB100079)
Part Number: DJPLB100079Regular price $21,678.99 CADUnit price
D&J Precision Machine
2019-2020 Cummins 6.7L Heavy Hauler Long Block (DJPLB100075)
Part Number: DJPLB100075Regular price $21,678.99 CADUnit price
D&J Precision Machine
2013-2018 Cummins 6.7L Street Performance Long Block (DJPLB100024)
Part Number: DJPLB100024Regular price $25,095.99 CADUnit price
D&J Precision Machine
2004.5-2007 Cummins 5.9L Essential Long Block (DJPLB100076)
Part Number: DJPLB100076Regular price $10,625.99 CADUnit price
D&J Precision Machine
2013-2018 Cummins 6.7L Precision Plus Long Block (DJPLB100022)
Part Number: DJPLB100022Regular price $14,491.99 CADUnit price
D&J Precision Machine
1998-2018 Cummins Billet Valve Bridges (DJPCNC100098)
Part Number: DJPCNC100098Regular price $559.99 CADUnit price
D&J Precision Machine
2004-2018 Cummins Heavy Hauler Ready Run Engine
Part Number: DJPLB100102Regular price $38,919.99 CADUnit price
D&J Precision Machine
2013-2018 Cummins 6.7L Precision Plus Ready Run Engine - Cab & Chassis (DJPLB100099)
Part Number: DJPLB100099Regular price $34,019.99 CADUnit price
D&J Precision Machine
2007-2012 Cummins 6.7L Heavy Hauler Ready Run Engine (DJPLB100100)
Part Number: DJPLB100100Regular price $38,919.99 CADUnit price-
D&J Precision Machine
2004-2005 Cummins 5.9L Heavy Hauler Ready Run Engine (DJPLB100102)
Part Number: DJPLB100102Regular price $38,919.99 CADUnit price -
D&J Precision Machine
2006-2007 Cummins 5.9L Heavy Hauler Ready Run Engine (DJPLB100101)
Part Number: DJPLB100101Regular price $38,919.99 CADUnit price 
D&J Precision Machine
2013-2018 Cummins 6.7L Heavy Hauler Ready Run Engine (DJPLB100098)
Part Number: DJPLB100098Regular price $38,919.99 CADUnit price
D&J Precision Machine
2007.5-2018 Cummins Stage 1 Performance Head (DJPCH100046)
Part Number: DJPCH100046Regular price $4,346.99 CADUnit price
D&J Precision Machine
2003-2007 Cummins Stage 1 Cummins Performance Head (DJPCH100026)
Part Number: DJPCH100026Regular price $4,346.99 CADUnit price
D&J Precision Machine
2003-2018 Cummins CR Performance Reman Head (DJPCH100008)
Part Number: DJPCH100008Regular price $3,042.99 CADUnit price
D&J Precision Machine
2003-2007 Cummins HP Reman Long Block (DJPLB100014)
Part Number: DJPLB100014Regular price $14,491.99 CADUnit price
D&J Precision Machine
2003-2007 Cummins Common Rail Street Performance Long Block (DJPLB100016)
Part Number: DJPLB100016Regular price $25,095.99 CADUnit price
D&J Precision Machine
2007.5-2018 Cummins Street Performance Long Block (DJPLB100020)
Part Number: DJPLB100020Regular price $25,095.99 CADUnit price
D&J Precision Machine
2007.5-2018 Cummins HP Reman Long Block (DJPLB100018)
Part Number: DJPLB100018Regular price $14,491.99 CADUnit price
D&J Precision Machine
2007.5-2018 Cummins Heavy Hauler Common Rail Long Block (DJPLB100019)
Part Number: DJPLB100019Regular price $18,095.99 CADUnit price
D&J Precision Machine
2003-2007 Cummins HP Reman Extreme Long Block (DJPLB100015)
Part Number: DJPLB100015Regular price $18,095.99 CADUnit price
D&J Precision Machine
2003-2018 Cummins CR Stage 2 Performance Head (DJPCH100051)
Part Number: DJPCH100051Regular price $8,693.98 CADUnit price
D&J Precision Machine
2003-2018 Cummins CR Performance Reman Head (DJPCH100039)
Part Number: DJPCH100039Regular price $3,042.99 CADUnit price
