OS Engines Crankshaft, B21 Drake AD4 Aluminum This ‘Bathtub’ design increased the

This ‘Bathtub’ design increased the cubic capacity of the car and gave the added advantage of a lower center of gravity for better tracking

and it equips them with the knowledge to understand all the steps

His masterful driving helped cement their place in motorsport history

Wingspan: 26" (660 mm)

With over 859 parts

OS Engines Crankshaft, B21 Drake AD4 Aluminum This ‘Bathtub’ design increased theO. S. Engines Crankshaft, B21 Drake AD4 is a genuine O. S. replacement and service component. O. S. part number OSM2FH02000. Compatibility can vary between engine versions. Match the engine designation in the product title and O. S. part number to your manual or exploded parts diagram before ordering.