Mahle PowerPak Performance Piston and Ring Kit, (Small Block Chevy)

Bore (in): 4.040 in.
Bore (mm): 102.616mm
Piston Style: Flat top, with four valve reliefs
Piston Material: Forged aluminum
Compression Distance (in): 1.000 in.
Piston Head Volume (cc): +5.00cc
Wrist Pin Style: Press-fit or floating
Pin Diameter (in): 0.927 in.
Gapless: No
File Fit: Yes
Top Ring Thickness: 1.5mm
Top Ring Material: Ductile iron
Top Ring Facing Material: Plasma-moly
Second Ring Thickness: 1.5mm
Second Ring Material: Cast iron
Second Ring Facing Material: Cast iron
Oil Ring Thickness: 3.0mm
Oil Ring Material: Chrome plated carbon steel
Oil Ring Tension: Standard