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Wiseco European Piston and Ring Kits
Piston And Ring Kit, Forged, Dish, 84.25mm Bore, BMW, M54B30, 9.0:1 Compression, Set of 6
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
KE325M8425
Part Type:
Product Line:
Summit Racing Part Number:
WIS-KE325M8425
UPC:
193564460998
Piston Rings Included:
Yes
Bore (in.):
3.317 in.
Bore (mm):
84.250mm
Stroke:
89.60mm
Rod Length:
135.000mm
Piston Style:
Dish, with four valve reliefs
Piston Material:
Forged aluminum
Compression Height (in.):
1.113 in.
Piston Head Volume (cc):
+7.30cc
Wrist Pin Style:
Press-fit or floating
Wrist Pin Retainers Included:
Yes
Wrist Pin Included:
Yes
Pin Diameter (in.):
0.866 in.
Piston Ring Thickness:
1.00mm x 1.20mm x 3.00mm
File Fit:
No
Gapless:
No
Top Ring Thickness:
1.0mm
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:
Stainless steel
Oil Ring Facing Material:
Nitride
Oil Ring Tension:
Standard
Remanufactured:
No
Quantity:
Sold as a set of 6.
Notes:
Piston kit fits BMW M54B30 applications. Pistons are 9.0:1 compression.
Wiseco European Piston and Ring Kits
From Alfa Romeo and BMW to Volkswagen and Volvo, Wiseco offers European piston and ring kits to cover them all. With vast experience engineering and manufacturing all types of pistons, Wiseco's high performance forged pistons provide the benefits of high-strength alloy construction, fully machined crowns, and precision ring grooves, plus their ArmorGlide permanent skirt coating that helps reduce friction, improves performance, and helps to quiet the piston in the cylinder bore. Choose the set designed for your vehicle.
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Some parts are not legal for use in California or other states with similar laws / regulations
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