This listing is for a hypereutectic piston set with a standard 3.780" bore diameter for 1999-2005 GM family passenger car models featuring the 325ci 5.3L VORTEC-series V-8 VIN "T" engines.
The VIN refers to the 8th character in the vehicle's ID, located in the lower dash, reading from left to right.
This listing includes eight (8) dished pistons with a coated skirt.
The piston head has a diameter of 3.050 inches and a depth of 0.068 inches.
CHECK VIN - THESE FIT VIN "T" CARS AND TRUCKS - PRESS FIT PINS.
CYLINDER DIAMETER: 3.780" (at standard) TOP LAND: 1.50mm 2ND LAND: 1.50mm 3RD LAND: 3.00mm (oil ring).
COMPRESSION HEIGHT 1.325" PIN DIAM.
.9451" DISH PISTON: .068" DEEP X 3.05" ACROSS.
IMPORTANT: THESE PISTONS ARE 1999-2003 AND HAVE A .9451" PIN DIAMETER.
PLEASE CONFIRM YOUR PIN DIAMETER!!
2004 AND UP USED A .9429" PIN DIAMETER.
