CASE ENG BLK4.125" 07-17 TC TWIN CAM ENGINE CASES TWIN CAM ENGINE CASES Replacement Twin Cam " A" engine cases for stock H-D chassis only (carb and EFI) Feature greater overall strength than stock crankcases Strong, dependable Timken®-style sprocket shaft bearings Clearanced for strokes up to and including 5" All passages between the crankcase cam support plate are O-ring sealed Compatible with most stock components Cam chest has clearance for up to .675" lift cams Include S&S crankcase breather reed valve designed to eliminate oil carry-over and oil scavenging problems Rear motor mount bolts directly to the stock transmission; fully compatible with the stock primary, charging system, and other stock components Available with stock bore (ideal for replacement applications), and 4.125" bore engines with stock stud pattern (ideal for custom applications and for use with the S&S 124" Hot Set Up Kit®) Available with silver powder-coat or black powder-coat Made in the U.S.A. NOTE: Some 07-16 applications EXEMPT PER CARB EXECUTIVE ORDER (EO) D-355-18. NOTE: Installation in 99-06 FLT models requires oil line installation kit PART #0950-0145, but the stock transmission cover may be used.NOTE: Installation in 07-16 FLHT, FLHR, FLHX, FLTR models require oil line installation kit PART #0711-0220. NOTE: To ease installation in 07-16 FLHT, FLHR, FLHX, FLTR models use PART #3802-0054. NOTE: This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.