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The 4" Extension is required to clear the harmonic balancer on Small Block Chevs and the 6" extension is used in blown applications to bring the pump out past the blower belt
2019 BMW 530i 2
AN Flare Cap -12AN
No welding required
Eagle Forged 4340 Steel Crankshafts (EA 434736226100) mazda-mx-5-miata-1st-gen-na The 4" Extension is requiredEagle forged 4340 steel crankshafts are great for high performance applications. They feature non twist forging, undergo a multi stage heat treatment process, and are stress relieved and shot peened. These cranks are X rayed, magnafluxed, and sonic tested, so you know you're getting a top quality piece. Each crankshaft has chamfered oil holes for improved oiling, a . 125 in. radius on rod and main journals for increased strength, and the journals are
US$ 164.95
US$ 104.97
