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A Moroso steel oil pump shaft for Chevrolet big-block engines configured for a .400-inch raised cam with a 6.9-inch length. It provides the proper drive offset and length required when running a .400-inch cam rise, keeping the oil pump engaged and delivering consistent flow. Ideal for cam swaps that alter pump position without needing block modifications.
Moroso Chevrolet Big Block .400in Raised Cam 6.9in Steel Oil Pump Shaft
