The MINI R56 N18 engine (2011–2015) introduced several refinements over the earlier N14, including improved efficiency and a redesigned cylinder head. However, one weakness persisted-the plastic valve cover. Over time, heat and crankcase pressure distort the cover, leading to oil leaks, PCV fa …

Race-Grade Top-End Sealing for MINI W11 1.6L Engines If you drive a first-generation MINI Cooper S or JCW (R52/R53, 2002–2008) with the W11 1.6L engine, one of the most critical upgrades for performance and reliability is the SneedSpeed Cylinder Head Stud Kit. Factory torque-to-yield bolts wea …

For MINI Cooper owners who want performance, reliability, and a straightforward replacement solution, SneedSpeed crate engines deliver everything in one package. Each engine is precision-built, race-inspired, and backed by years of championship-winning experience. Whether your MINI uses an R53 super …

Boost-Proof Head Gasket Sealing and Race-Grade Top-End Reliability The SneedSpeed Cylinder Head Stud Kit for the N14 and N18 turbocharged engines that power the second-generation MINI Cooper S and JCW are renowned for their performance-but they have a known weak link: head gasket failure under boost …

The SneedSpeed R56 Super Sport Engine is a premium, fully built performance long block designed for the 2007–2013 MINI Cooper S (R56). Whether you're chasing podiums at the track or demanding street reliability with big power, the MINI R56 Super Sport engine is engineered to handle high boost, …

The Sneed Speed R53 Race Long Block Engine is the ultimate performance foundation for 2002–2006 MINI Cooper S owners seeking maximum power and durability. Built with track use and high horsepower applications in mind, R53 Race Long Block Engine is engineered to outperform stock and street buil …