S&S Cycle 07-16 BT Engines w/ 4-1/8in Bore Super Stock T2 Crankcase - Wrinkle Black

Replacement Twin Cam "A" engine cases for stock H-D chassis (carb and EFI). Features greater strength than stock crankcases, Timken®-style sprocket shaft bearings, and clearance for strokes up to 5”. Passages between the crankcase and cam support plate are O-ring sealed. Compatible with most stock components, including a cam chest clearance for up to .675” lift cams. Includes S&S crankcase breather reed valve to eliminate oil carry-over and scavenging issues. Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components. Made in the U.S.A. Requires a skilled technician for assembly and clearance checks.