Product Description
Wiseco Forged Piston - 4.070 Bore / 3.622 Stroke / -3.2cc Flat Top - LS Engines
PN: K398X7
Piston Rings Included: Yes
Bore (in.): 4.070 in.
Bore (mm): 103.378mm
Stroke: 3.622 in.
Rod Length: 6.125 in.
Piston Style: Flat top, with two valve reliefs
Piston Material: Forged aluminum
Compression Height (in.): 1.304 in.
Piston Head Volume (cc): +3.20cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Retainers Included: Yes
Wrist Pin Included: Yes
Pin Diameter (in): 0.927 in.
File Fit: Yes
Gapless: No
Top Ring Thickness: 1.2mm
Top Ring Material: Steel
Top Ring Facing Material: Gas nitrided
Second Ring Thickness: 1.2mm
Second Ring Material: Cast iron
Second Ring Facing Material: Phosphate coated
Oil Ring Thickness: 3.0mm
Oil Ring Material: Chrome plated carbon steel
Oil Ring Tension: Standard
Quantity: Sold as a kit.
Notes:Requires aftermarket connecting rods.
