JE, 86mm Bore, 11.50:1, Inverted Dome/Dish, 6 Cyl. Piston Kit
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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.
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Standard bore replacement piston rings
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For use on stock pistons, will need 6 sets to replace all piston rings in the engine
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Brand:
ES#:
21111
Mfg#:
11251403809
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3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$252.99
This product was last offered at the strikethrough price on 06-24-2026
JE Pistons BMW S50B30 Euro Piston 86.00mm Bore 1.245in. CH -4.30 CC - Single Piston
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Optimized for the 3.0L inline-six, these lightweight pistons improve combustion efficiency and throttle response.
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Available through ECS Tuning, this product is perfect for drivers looking to enhance both their street and track experiences with a high-performance solution. Specs: 9:1 Compression – 86.50 mm Bore – 1.291 in. CH, -23.60 CC
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JE Pistons are United States made products designed with quality and precision in mind for street and racing applications. Specs:- 9:1 Compression – 86.00 mm Bore – 1.291 in. CH, -23.60 CC
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Engineered for BMW S50B30 engines and providing a substantial boost in performance. Specs: 12.5:1 Compression – 86.00 mm Bore – 1.291 in. CH, -4.70 CC
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These pistons offer exceptional durability and reliability for racing and street application. Specs:11.5:1 Compression – 86.00mm Bore – 1.291 in. CH, -8.80 CC
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JE Pistons offers high-performance pistons designed for racing and enthusiast applications, providing exceptional power, durability, and precision Specs: 12.5:1 Compression – 86.50 mm Bore – 1.291 in. CH, -5.00 CC
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Enhance your BMW S50B30US engine’s performance with this high-compression forged piston kit by JE Pistons. Designed for serious performance enthusiasts and racers, this kit delivers improved power and combustion efficiency.
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The JE Pistons for the BMW S50 engine are crafted for enthusiasts seeking increased performance and reliability.
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Whether you're simply rebuilding your engine or going for big power, we have OEM and aftermarket performance pistons from the best brands in the business so your engine has the precise setup to meet your goals.
Lifetime Replacement
