Callies Magnum Forged Steel Crankshaft - 4.000 in Stroke - Internal Balance - 1-Piece Seal - GM LS-Series F4050B Features:Easily connect a tachometer to

Features:Easily connect a tachometer to a coil-per-cylinder ignition

Gauge / Sensor

and a premium motor

Total weight: 8

s polyurethane

Callies Magnum Forged Steel Crankshaft - 4.000 in Stroke - Internal Balance - 1-Piece Seal - GM LS-Series F4050B Features:Easily connect a tachometer toProduct Description: Crankshaft Magnum 4. 000 in Stroke Internal Balance Forged Steel 1 Piece Seal GM LS Series Sold Individually Callies Performance Products began manufacturing high performance crankshafts in 1989. With many years of engineering and employee experience, Callies has grown to be the industry leader for innovative product design. Callies Performance Products takes pride in staying ahead of the competition with the latest high tech