BMW / TOYOTA SUPRA B58B30
JE’s latest boost-ready pistons are ready for battle in Toyota Supra and BMW B58B30 engine platforms, available in standard and overbore sizes with a 10.5:1 compression ratio.
• Constructed of forged 2618 aluminum with Forged Side Relief design to optimize strength-to-weight ratio
• Equipped with skirt coating and double-broach pin oilers to help deliver reliable performance through reduced friction and improved wear resistance
• Accumulator grooves minimizes combustion pressures below the top ring for improved, consistent ring seal
• Included 1.2mm PVD top x 1.2mm Napier second x 2.0mm PVD oil ring package
• Offset wrist pin helps reduce piston knock and operating noise