00mm Exhaust   Full Race  301° Intake / 294° Exhaust   11

(6) Intake valves

either 85mm or 85

consistently outperforming competitors on both the track and the street

making them ideal for forced induction and racing applications

BMW N63 S63 Block Sleeving Service 11247646892 00mm Exhaust Full Race 301°BMW N63 S63 Engine Block Sleeving Service: Power and Reliability TOGETHER!! Why Choose Engine Block Sleeving: The truth is, Alusil factory does not stand up to the demands of high performance applications. If you're looking to push your BMW's performance limits, you need a solution that provides not only increased strength but also the versatility to bore and hone the block to your desired specifications. Our heavy duty iron sleeves offer the