Description

Chevy 5.3 Master Rebuild Kit – 325 V8 Truck (2003–2004)

Restore performance and reliability with this Chevy 5.3 master rebuild kit, designed for 2003–2004 GM truck 5.3L/325 OHV V8 16V engines. This kit is built for applications with dish top pistons and press-fit piston pins.

This 5.3L 325 rebuild kit features a 3.780″ bore and supports engines with VIN codes P, T, and Z. It also uses late 2003 cam bearings, so fitment details should be confirmed when ordering.

Browse additional options on our engine rebuild kits hub page to find the right kit for your build.

What’s Included in This Chevy 5.3 Master Rebuild Kit

• Piston Set
• Piston Ring Set
• Rod Bearing Set
• Main Bearing Set
• Cam Bearing Set
• Full Gasket Set
• Camshaft
• Valve Lifters
• Timing Set
• Oil Pump
• Expansion Plug Kit

Available Sizes & Options

This kit is available in multiple size configurations to match your engine machining specifications.

Pistons & Ring Sizes (Oversize)

• Standard (STD)
• .50 Oversize
• .75 Oversize
• 1.00 Oversize

Rod Bearing Sizes (Undersize)

• Standard (STD)
• .001 Undersize
• .010 Undersize
• .020 Undersize
• .030 Undersize
• .040 Undersize
• .050 Undersize

Main Bearing Sizes (Undersize)

• Standard (STD)
• .001 Undersize
• .010 Undersize
• .020 Undersize
• .030 Undersize

Engine Fitment & Notes

• Engine: GM Chevy Truck 5.3L / 325 OHV V8 16V
• Years: 2003–2004
• Bore: 3.780″
• VIN Codes: P, T, Z
• Piston Style: Dish Top
• Piston Pin: Press Fit
• Note: With late 2003 cam bearings

Why Choose This Kit?

This Chevy 5.3 rebuild kit provides a complete solution for restoring engine performance, durability, and proper fitment in 2003–2004 truck applications.

• ✔ Complete master kit solution
• ✔ Designed for dish top press-fit pin applications
• ✔ Precision-fit components
• ✔ Supports long service life

Not sure which sizes you need? Review our engine rebuild kit guide
or learn more about proper measurements in our bearing clearance guide.

Need help selecting sizes or confirming fitment? Contact Benning Auto Parts @ 1-800-847-0733 for expert assistance before ordering.