Eagle BBM RB 4340 Forged Crank 4.375 Stroke Arc Lighting fitting up to 4 in

fitting up to 4 in

Standard horn buttons allow the mounting screws to be exposed and large horn buttons cover the mounting screws for a clean look

all-weather performance and legendary reliability set the industry standard

Using an ear "cup" inside the helmet creates an air gap sound barrier that reduces outside noise

1977-1987 Oldsmobile Cutlass Supreme

Eagle BBM RB 4340 Forged Crank 4.375 Stroke Arc Lighting fitting up to 4 inEagle forged 4340 steel cranks feature a non twist forging, . 125" fillet radiuses for superior strength so chamfered narrowed bearings required, nitrided surface, &amp micropolished to &lt 2 ra. Intended for the most demanding applicationForged AISI ASME certified 4340 steel with multi stage heat treatment for superior strength Service: Eagle connecting rods and cranks are designed and manufactured to our specifications. Some simply purchase generic