Includes rings, wire locks and wrist pins
BMW M3 Pistons & Parts
JE Piston offers high-performance, precision-engineered pistons designed to boost power and reliability in BMW S14 engines. Piston Specs: 13:1 Compression – 93.80 mm Bore – 1.260 in. CH, 3.60 CC
Specs: 8.5:1 Compression – 94.20 mm Bore – 1.260 in. CH, -24.00 CC
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
10-23-2026
.020 overbore replacement piston
For 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
10-23-2026
.020 overbore replacement piston
For cylinders 5-8
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
10-23-2026
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
10-23-2026
Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove + TBC
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove
Forged, 2618. Phosphate + Grafal + Hard Anodized top ring groove + TBC
Forged, 4032. Phosphate + Ferroprint (Al bores) + Hard Anodized top ring groove + TBC
BMW S14B32 engine E30 M3 models and motorsport variants
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.
The JE Pistons for the BMW S50 engine are crafted for enthusiasts seeking increased performance and reliability.
Upgrade your S14B23 engine with the JE Pistons 8.5:1 Piston Kit, built for ultimate reliability and performance in high-boost environments. Whether you're building for the track or the street, JE Pistons give you the edge.