Moroso 63883 Moroso Chevrolet Big Block (Short 3 Bolt) Dry Sump & Vacuum Pump Drive Kit - Flange Style

Flange Style, BBC, Style-short, Mandrel Length minus Flange-2.990 Inches, Required Balancer- 3-Bolt, 3.20 Inch Bolt Circle, 2.275 Inch female register, overall Length-3.645 Inches

FLANGE STYLE

• Bolts to balancer balancer does not need to be drilled like older designs
• When using ARP Balancer Bolt use Moroso Spacer part No. 63890
• Using our optional pulleys, custom tailored drives can be created
• Includes one-piece, forged steel drive mandrel, guide plates, assorted spacers, belt guides and hardware