Vacuum & Oil Pump Drive Kit (Suit BB Chev Short Style Flange Mount with Mandrel Length 2.990")
Product Information
- Mandrel Length Minus Flange: 2.990"
- Required Balancer: 3-Bolt, 3.20" bolt circle, 1.250" female register, Length: 3.645"
- Bolts to balancer-balancer does not need to be drilled like older designs
- Pulleys are hard coat anodised and mandrel is black oxide for exceptional strength and extended service life
- Kits include: one-piece, forged steel drive mandrel, 4" V-belt pulley for alternator, 2-1/2" V-belt pulley for vacuum pump, 1" (16 tooth) Gilmer pulley for external oil pump, guide plates, assorted spacers, belt guides and hardware

Product Information
- Mandrel Length Minus Flange: 2.990"
- Required Balancer: 3-Bolt, 3.20" bolt circle, 1.250" female register, Length: 3.645"
- Bolts to balancer-balancer does not need to be drilled like older designs
- Pulleys are hard coat anodised and mandrel is black oxide for exceptional strength and extended service life
- Kits include: one-piece, forged steel drive mandrel, 4" V-belt pulley for alternator, 2-1/2" V-belt pulley for vacuum pump, 1" (16 tooth) Gilmer pulley for external oil pump, guide plates, assorted spacers, belt guides and hardware