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Wiseco Sport Compact Piston and Ring Kits
Piston and Ring Kit, Forged, Dish, 3.917 in. Bore, Subaru, 4-Cylinder, Kit
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Estimated Ship Date: May 13, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
K599M995
Part Type:
Product Line:
Summit Racing Part Number:
WIS-K599M995
UPC:
00193564076601
Piston Rings Included:
Yes
Bore (in.):
3.917 in.
Bore (mm):
99.500mm
Stroke:
3.110 in.
Rod Length:
5.167 in.
Piston Style:
Dish, with four valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.191 in.
Piston Head Volume (cc):
+27.00cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.906 in.
File Fit:
No
Gapless:
No
Top Ring Thickness:
1.2mm
Top Ring Material:
Steel
Top Ring Facing Material:
Phosphate coated
Second Ring Thickness:
1.5mm
Second Ring Material:
Cast iron
Second Ring Facing Material:
Phosphate coated
Oil Ring Thickness:
2.0mm
Oil Ring Material:
Stainless steel
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold as a set of 4.
Wiseco Sport Compact Piston and Ring Kits
Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco's advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. These kits' crown thickness and ring lands are designed for power-adders like turbos and blowers and nitrous oxide. They come complete with high-quality piston rings. Whether you're on or off of the street, you can depend on the maximum strength and minimum variance of Wiseco's aluminum-forged pistons for your sport compact vehicle. Choose the kit recommended for your make and engine application.
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Some parts are not legal for use in California or other states with similar laws / regulations
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