Here is the remedy for Knucklehead, Panhead and Early Shovelhead owners with worn-out or damaged OEM cases. The all new generator style crankcases from S&S! While having an almost stock-like appearance at first glance, the closer inspection yields state-of-the-art design elements that improve overall engine performance and reliability.

Typical features include:

• stock-like oiling methods with improved motor scavenging
• work with OEM  cast iron oil pumps or S&S oil pumps
• fit stock frame
• factory installed left and right main bearing races and cam needle bearing
• shafts for timer gear and generator drive gear
• cylinder base studs
• drain plug for thorough engine main-tenance
• 1/4”-20 threads used for more readily available hardware
• clearanced for long strokes up to 5”
• machined for late style generators 58-up