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The Moroso flange-style drive kit for Chevrolet Big Block long 3-bolt front sections delivers a dedicated dry sump and vacuum pump drive interface for long-deck Big Block engines. It ensures correct pump drive alignment and mounting for external oiling and vacuum systems on long-pattern Big Blocks, making it easier to fit dry sump hardware in high-output or race-focused builds.
Moroso Chevrolet Big Block (Long 3 Bolt) Dry Sump & Vacuum Pump Drive Kit - Flange Style
