Dual Ceramic Ball-Bearing Center Housing Rotating Assembly (CHRA)

Drag Racing

Engineered to replace BMW part numbers #11248623419 and #11247589671

1-year warranty

Adjustable noise thresholds

BMW S14 Connecting Rod Bolts by ARP 4270 Dual Ceramic Ball-Bearing Center HousingUpgrade your BMW S14 engine, as found in the iconic E30 M3, with ARP Connecting Rod Boltsthe ultimate choice for strength, reliability, and performance. Crafted in the USA by Automotive Racing Products (ARP), these bolts are engineered to outperform OEM rod bolts and deliver superior durability in high performance applications. Perfect for rebuilds or preparing the engine for performance modifications, ARP rod bolts are built to handle extreme