2230 Macintosh Drive

Horn Lake, MS 38637 USA

All PowerSource engines undergo full OEM remanufacturing and testing procedures including:

• Engine blocks are magnafluxed, cylinders bored and precision honed to a tolerance of .0001"

• Cam journals align bored and bearings installed to correct oiling issues on all Ford 4.6L and 5.4L engines

• Engine blocks and cylinder heads precision surfaced to ensure proper sealing

• Cylinder heads magnafluxed or dye checked and machined for three angle valve seats

• Crankshafts are stress relieved, precision ground, and micro polished for optimum durability and surface finish

• Camshafts precision ground or replaced with new to maintain the OE profile

• Each engine is SIM tested for compression, oil pressure, oil leaks, unusual engine noise, and general operation condition before shipment

• Engines ship with a finishing gasket set (oil pan, valve cover, intake etc.)

• Return shipping on core included (for customers in the contiguous US only)

• ISO 14000 & ISO 9001 Quality Control 

• The block is guaranteed to be a 1st time repair (.020 or .030 overbore)

• All new .003" over valves to insure proper guide clearance

• Graphite coated hypereutectic pistons

• Hardened valve seats for flex fuel compatibility

• No weld repairs

• Cylindricity of less than 10 microns