Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal NPT Quick-Connect Fittings 1980-1987 Pontiac Bonneville

1980-1987 Pontiac Bonneville

helping to eliminate the protruding sharp portion remaining as found in standard ties

but also take the increasing needs of the growing group of new users into consideration

works well with 5 speed

Eagle "ESP" Forged 4340 Steel Crankshaft - SB Chevy 400, 400 Main Journals (No Spacer Bearings Required) - 3.750" Stroke, 5.700" Rod Length, 2.100" Rod Journal NPT Quick-Connect Fittings 1980-1987 Pontiac BonnevilleEagle 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