PART # 310-0770
Super stock heads and crankcase
Twin Cam "A" Style Engine, not for Softail models.
S&S easy start cams
High-flow oil pump
Forged flattop pistons
585 Gear Drive Cams, with S&S Exclusive Camplate and Oil pump assembley.
Intake system not included; compatible with stock or aftermarket intake systems
4 1/8 bore x 4 1/8 stroke 9.8:1 compression ratio
Wrinkle black finish
Requires oil line installation kit