Ковани Бутала BMW N55B30 S55B30

Product detailed specification Bore size 84.00mm Stroke 89.60mm JE Pistons compression ratio (CR) 9.5:1 OEM compression ratio (CR) 10.2:1 Dome volume (CC) -14.7cm3 Compression height (CH) 32.40mm Pin diameter 22mm Features Accepts Turbo and Nitrous; coated FSR skirt Fits for BMW - 3.0 24V Turbo (N55B30)  JE's patented Perfect Skirt coating makes piston slap, false knock, and cold-start wear a thing of the past. For the first time ever, 2618-alloy pistons can be installed with piston-to-wall clearances near that of an OEM piston!

Product detailed specification Bore size 84.50mm Stroke 89.60mm JE Pistons compression ratio (CR) 9.5:1 OEM compression ratio (CR) 10.2:1 Dome volume (CC) -14.7cm3 Compression height (CH) 32.40mm Pin diameter 22mm Features Accepts Turbo and Nitrous; coated FSR skirt Fits for BMW - 3.0 24V Turbo (N55B30, S55B30)  JE's patented Perfect Skirt coating makes piston slap, false knock, and cold-start wear a thing of the past. For the first time ever, 2618-alloy pistons can be installed with piston-to-wall clearances near that of an OEM piston!

Product detailed specification Bore size 84.00mm Stroke 89.60mm JE Pistons compression ratio (CR) 9.5:1 OEM compression ratio (CR) 10.2:1 Dome volume (CC) -14.7cm3 Compression height (CH) 32.40mm Pin diameter 22mm Features Accepts Turbo and Nitrous; Ultra series Fits for BMW - 3.0 24V Turbo (N55B30)

Product detailed specification Bore size 84.50mm Stroke 89.60mm JE Pistons compression ratio (CR) 9.5:1 OEM compression ratio (CR) 10.2:1 Dome volume (CC) -14.7cm3 Compression height (CH) 32.40mm Pin diameter 22mm Features Accepts Turbo and Nitrous; Ultra series Fits for BMW - 3.0 24V Turbo (N55B30)

Product detailed specification Bore size 84.00mm Stroke 89.60mm MAHLE compression ratio (CR) 10.2:1 OEM compression ratio (CR) 10.2:1 Dome volume (CC) -10.5cm3 Compression height (CH) 32.40mm Pin diameter 22mm Features Accepts Turbo and Nitrous Fits for BMW - 3.0 24V Turbo (S55B30)