Eagle 407 CID Rotating Assembly - Forged Crank - Forged Pistons - 3.750 in Stroke - 4.165 in Bore - 6.000 in H Beam Rods - Small Block Chevy KIT12504040 Parachute Mounts & Brackets shift light or RPM-activated accessoryConnect

shift light or RPM-activated accessoryConnect to a diesel injector wire to provide an easy tach installationOperates with 5-24 volt input for universal applications

1972-1981 Chevrolet Impala

TEN Factory driveshafts feature our famous real-world 10 year warranty

use headers

8L engines

Eagle 407 CID Rotating Assembly - Forged Crank - Forged Pistons - 3.750 in Stroke - 4.165 in Bore - 6.000 in H Beam Rods - Small Block Chevy KIT12504040 Parachute Mounts & Brackets shift light or RPM-activated accessoryConnectAssembly must be balanced by qualified machine shop before use! Eagle Specialty Products provides quality engine parts to some of the world's most respected engine builders. Unlike some manufacturers Eagle never compromises quality for the sake of a lower price. Eagle Specialty Products use only the newest, state of the art equipment and highly skilled craftsmen to produce every part they sell. All Eagle rods and Eagle crankshafts are thoroughly