featuring a high-flow investment cast collector for optimal performance

Available camshaft profiles for street

For models without M-sport suspension

Mishimoto also incorporated strutted tubes throughout the core for improved stability and drastically reduce the risk of breaks or leaks

CAD and FEA engineering ensures precise weight distribution and structural integrity

B38 Rod Bolts | BMW MINI | ARP Connecting Rod Bolts Mini F55 featuring a high-flow investment castBMW MINI B38 Rod Bolts ARP Connecting Rod Bolts Engineered for Strength and Precision The BMW and MINI B38 three cylinder turbo engine is known for efficiency and performance, but under high boost, tuning, or racing conditions, the factory rod bolts are a weak link. Stretching or failure of OEM bolts can lead to catastrophic rod bearing or crankshaft damage. The 5150 AutoSport ARP Connecting Rod Bolt Kit is designed specifically for the B38, providing