(6) Intake valves

consistently outperforming competitors on both the track and the street

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

making them a top choice for discerning engine builders

1988      E30     M3 Evo II

BMW N63 S63 Block Sleeving Service 11247646892 (6) Intake valvesBMW 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