Brand: Keith Black/KB Pistons
Product Line: Keith Black Hypereutectic Pistons
Bore (in): 4.155 in.
Bore (mm): 105.537mm
Piston Material: Hypereutectic aluminum
Piston Style: Dome
Compression Distance (in): 1.765 in.
Dome Height (in): 0.180 in.
Piston Head Volume (cc): -17.00cc
Valve Reliefs: Two
Wrist Pin Style: Floating
Pin Diameter (in): 0.990 in.
Top Ring Thickness: 5/64 in.
Second Ring Thickness: 5/64 in.
Oil Ring Thickness: 3/16 in.
Quantity: Sold as a set of 8.
Notes: Hollow dome design.

Pistons, Hypereutectic, Dome Top, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves,Chevy,402,Set of 8

here is the description of my pistons. I can post pictures if you want, im not 100% sure how to though.