Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin Cam Heatwaves Prepares potential wear surface and

Prepares potential wear surface and prevents metal contact before adequate lubrication can be supplied

Breather Gear - +

Swivel design allows pegs to be in the upright position when not in use

3:1 CR - XL

Engine Case - 4.125" Bore w/Stock Stud Pattern - 88A Engine Type - Wrinkle Black - Twin Cam Heatwaves Prepares potential wear surface andEngine Case 4. 125" Bore w Stock Stud Pattern 88A Engine Type Wrinkle Black Twin Cam Replacement Twin Cam "A" engine cases for stock H D chassis only (carb and EFI) Features greater overall strength than stock crankcases Strong, dependable Timken style sprocket shaft bearings All passages between the crankcase cam support plate are O ring sealed Compatible with most stock components Includes S&S crankcase breather reed valve designed to eliminate oil