The demand for performance-based M8 bagger parts is growing, and M8 engines are creating more power daily. All that power requires a quality and strength that stock cases can't provide. That's where the new S&S M8 Crankcases come in. Designed to allow for larger bores, with a machined oil scraper for less oil on the flywheels. Offered is better reliability, all while fitting in a stock Touring frame. - Stock deck height - Fits stock frame - Stronger than stock - Machined, close-fitting oil scraper (stock is as cast) - Large volume sump - Redesigned to accept larger bores - Upgrade replacement reference for OEM 24400120 - Fitment includes 23-up VVT models. Note: See 708927 for up to 4-1/2" cylinder bore (4.695" spigot bore)