S&s Cycle Super Stock Cylinder Head Kit - 106-4570 For Harley Motorcycles 1984-2000 Brand_Performance Machine (pm) Rugged construction will last a

Rugged construction will last a lifetime with its 600-denier and 150-denier polyester materials

Enlarged interconnected headers make for improved horsepower and low-end torque

Machined 303 Stainless threaded pre-load adjuster

*Brake Arm Tip or Gripper Peg sold separately

S&s Cycle Super Stock Cylinder Head Kit - 106-4570 For Harley Motorcycles 1984-2000 Brand_Performance Machine (pm) Rugged construction will last aFeatures S&S heads are available to be used with stock style flat top pistons Kits are fully assembled, and include stainless steel valves and high lift (. 585") springs Intake manifold and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles) Optimized for smaller displacement engines Slight increase in