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Wiseco Professional Series Piston Kits
Piston and Ring, Forged, Flat, 4.030 in. Bore, Chevy, Kit
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Estimated Ship Date from Texas: Today Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K398X3
Part Type:
Product Line:
Summit Racing Part Number:
WIS-K398X3
UPC:
00193564072375
Piston Rings Included:
Yes
Bore (in.):
4.030 in.
Bore (mm):
102.362mm
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:
Carbon steel
Oil Ring Facing Material:
Chrome
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold as a set of 8.
Notes:
Requires aftermarket connecting rods.
Wiseco Professional Series Piston Kits
Wiseco pulled out all of the stops with their Professional Series piston kits. These pistons accommodate the reluctor ring on stroker cranks without having to notch the pin bosses. Offset pins like OE and skirt shapes are specifically designed for street applications, making these the best piston kits available. Successfully tested in the highest horsepower applications, the Professional Series kits also utilize ArmorGlide skirt coating—which is the result of testing, development, and benchmarking through Wiseco's in-house dyno program. The outcome is minimized friction, maximized horsepower, and improved wear resistance. Not only is ArmorGlide a high-tech lubricant that reduces friction, but it also allows the piston to be fitted tighter within the bore than a non-coated piston. Anti-detonation and pressure seal grooves give you a better ring seal, reducing noise from the piston rock and delivering better performance. Order the pistons tailored for your application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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