JE, 86mm Bore, 11.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit
For 1994-1995 models with S55B30US engine
JE, 86mm Bore, 11.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit
For 1994-1995 models with S55B30US engine
Performance pistons for the enthusiast looking to bore out their engine and maintain compression at 11.5:1cr
BMW S54B32 87.5MM Pistons for Turbo and Nitrous Aps.
The JE Pistons BMW S50B30US 9:1 KIT is a high-performance piston set designed for the BMW 3.0L S50B30US engine. This kit offers a lower 9:1 compression ratio, ideal for forced induction applications like turbocharging or supercharging.
Single Groove sodium filled exhaust valve set for high performance builds
Does not include hardware
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Upgrade to Manley's Platinum Extreme Duty Pistons for increased performance!
Stock 10.2:1 Compression Ratio
Std. Size
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-21-2026
Cylinders 1-4
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-21-2026
Includes replacement valve cover gaskets, spark plug tubes, oil separator o-rings, and camshaft position sensor o-rings
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
03-04-2026
Includes all the necessary components for a valve cover removal
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 4032. Get the performance and reliability your S52 needs with MAHLE Motorsports PowerPak Piston Kit. Replacing the weaker factory cast aluminum pistons with the strength and durability of a forged piston. MAHLE forged pistons more tolerant to the
Forged, 4032. Phosphate + Grafal + Hard Anodized top ring groove + TBC