These are the same premium pistons we use in our winning race and high performance street engines around the world!
BMW E30 Performance Pistons
These are the same premium pistons we use in our winning race and high performance street engines around the world!
These are the same premium pistons we use in our winning race and high performance street engines around the world!
84.5mm Bore, 8.5:1 Compression Ratio
8.5:1 Compression Ratio, Standard 84mm Bore
Bore = 84mm Compression Ratio = 10:1
Designed for optimum performance and strength!
Crafted from high-strength forged materials, these pistons deliver exceptional durability under extreme pressure and high RPMs, making them perfect for both motorsport and street use. Specs: 8.5:1 Compression – 93.60 mm Bore – 1.260 in. CH, -23
Specs: 13:1 Compression – 94.00 mm Bore – 1.260 in. CH, 3.40 CC
Specs: 8.5:1 Compression – 94.00 mm Bore – 1.260 in. CH, -23.70 CC
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
9.5:1 Compression Ratio, Standard 84mm Bore