Silverado 1500 2WD V6-4.3L VIN X (2004)
Piston: Specifications
Piston - Piston to Bore Clearance - Production ......................................................................................................... 0.018-0.061 mm (0.0007-0.0024 inch)
Piston - Piston to Bore Clearance - Service ..................................................................................................................................... 0.075 mm (0.0029 inch)