JE Pistons forged pistons for BMW S50B30US. Bore 86 mm, compression ratio 12.5:1, dome / dish volume -4.7 cm³, piston pin diameter 22 mm, compression...
JE Pistons forged pistons for BMW S50B30US. Bore 86.5 mm, compression ratio 12.5:1, dome / dish volume -5 cm³, piston pin diameter 22 mm, compression...
JE Pistons forged pistons for BMW S50B30US. Bore 86.5 mm, compression ratio 11.5:1, dome / dish volume -9.3 cm³, piston pin diameter 22 mm, compression...